// Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and other CEED contributors. // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. // // SPDX-License-Identifier: BSD-2-Clause // // This file is part of CEED: http://github.com/ceed #include #include #include #include #include #include "ceed-ref.h" //------------------------------------------------------------------------------ // Setup Input/Output Fields //------------------------------------------------------------------------------ static int CeedOperatorSetupFields_Ref(CeedQFunction qf, CeedOperator op, bool is_input, bool *skip_rstr, CeedInt *e_data_out_indices, bool *apply_add_basis, CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { Ceed ceed; CeedSize e_size, q_size; CeedInt num_comp, size, P; CeedQFunctionField *qf_fields; CeedOperatorField *op_fields; { Ceed ceed_parent; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); CeedCallBackend(CeedReferenceCopy(ceed_parent, &ceed)); CeedCallBackend(CeedDestroy(&ceed_parent)); } if (is_input) { CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); } else { CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); } // Loop over fields for (CeedInt i = 0; i < num_fields; i++) { CeedEvalMode eval_mode; CeedElemRestriction elem_rstr; CeedBasis basis; CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); if (eval_mode != CEED_EVAL_WEIGHT) { CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs_full[i + start_e])); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } switch (eval_mode) { case CEED_EVAL_NONE: CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); q_size = (CeedSize)Q * size; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); break; case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); e_size = (CeedSize)P * num_comp; CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); q_size = (CeedSize)Q * size; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; case CEED_EVAL_WEIGHT: // Only on input fields CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); q_size = (CeedSize)Q; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; } } // Drop duplicate restrictions if (is_input) { for (CeedInt i = 0; i < num_fields; i++) { CeedVector vec_i; CeedElemRestriction rstr_i; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); for (CeedInt j = i + 1; j < num_fields; j++) { CeedVector vec_j; CeedElemRestriction rstr_j; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); if (vec_i == vec_j && rstr_i == rstr_j) { CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); skip_rstr[j] = true; } CeedCallBackend(CeedVectorDestroy(&vec_j)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); } CeedCallBackend(CeedVectorDestroy(&vec_i)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); } } else { for (CeedInt i = num_fields - 1; i >= 0; i--) { CeedVector vec_i; CeedElemRestriction rstr_i; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); for (CeedInt j = i - 1; j >= 0; j--) { CeedVector vec_j; CeedElemRestriction rstr_j; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); if (vec_i == vec_j && rstr_i == rstr_j) { CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); skip_rstr[j] = true; apply_add_basis[i] = true; e_data_out_indices[j] = i; } CeedCallBackend(CeedVectorDestroy(&vec_j)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); } CeedCallBackend(CeedVectorDestroy(&vec_i)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); } } CeedCallBackend(CeedDestroy(&ceed)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Setup Operator //------------------------------------------------------------------------------/* static int CeedOperatorSetup_Ref(CeedOperator op) { bool is_setup_done; CeedInt Q, num_input_fields, num_output_fields; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); if (is_setup_done) return CEED_ERROR_SUCCESS; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Allocate CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_data_out_indices)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->apply_add_basis_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); impl->num_inputs = num_input_fields; impl->num_outputs = num_output_fields; // Set up infield and outfield e_vecs and q_vecs // Infields CeedCallBackend(CeedOperatorSetupFields_Ref(qf, op, true, impl->skip_rstr_in, NULL, NULL, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); // Outfields CeedCallBackend(CeedOperatorSetupFields_Ref(qf, op, false, impl->skip_rstr_out, impl->e_data_out_indices, impl->apply_add_basis_out, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, num_output_fields, Q)); // Identity QFunctions if (impl->is_identity_qf) { CeedEvalMode in_mode, out_mode; CeedQFunctionField *in_fields, *out_fields; CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { impl->is_identity_rstr_op = true; } else { CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); } } CeedCallBackend(CeedOperatorSetSetupDone(op)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Setup Operator Inputs //------------------------------------------------------------------------------ static inline int CeedOperatorSetupInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, CeedVector in_vec, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl, CeedRequest *request) { for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; uint64_t state; CeedEvalMode eval_mode; CeedVector vec; // Get input vector CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; if (is_active) { if (skip_active) continue; else vec = in_vec; } CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); // Restrict and Evec if (eval_mode == CEED_EVAL_WEIGHT) { // Skip } else { // Restrict CeedCallBackend(CeedVectorGetState(vec, &state)); // Skip restriction if input is unchanged if ((state != impl->input_states[i] || vec == in_vec) && !impl->skip_rstr_in[i]) { CeedElemRestriction elem_rstr; CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } impl->input_states[i] = state; // Get evec CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); } if (!is_active) CeedCallBackend(CeedVectorDestroy(&vec)); } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Input Basis Action //------------------------------------------------------------------------------ static inline int CeedOperatorInputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, CeedInt num_input_fields, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { for (CeedInt i = 0; i < num_input_fields; i++) { CeedInt elem_size, size, num_comp; CeedEvalMode eval_mode; CeedElemRestriction elem_rstr; CeedBasis basis; // Skip active input if (skip_active) { bool is_active; CeedVector vec; CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (is_active) continue; } // Get elem_size, eval_mode, size CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); // Basis action switch (eval_mode) { case CEED_EVAL_NONE: CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][(CeedSize)e * Q * size])); break; case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][(CeedSize)e * elem_size * num_comp])); CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; case CEED_EVAL_WEIGHT: break; // No action } } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Output Basis Action //------------------------------------------------------------------------------ static inline int CeedOperatorOutputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, CeedInt num_input_fields, CeedInt num_output_fields, bool *apply_add_basis, CeedOperator op, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { for (CeedInt i = 0; i < num_output_fields; i++) { CeedInt elem_size, num_comp; CeedEvalMode eval_mode; CeedElemRestriction elem_rstr; CeedBasis basis; // Get elem_size, eval_mode CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); // Basis action switch (eval_mode) { case CEED_EVAL_NONE: break; // No action case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); CeedCallBackend(CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][(CeedSize)e * elem_size * num_comp])); if (apply_add_basis[i]) { CeedCallBackend(CeedBasisApplyAdd(basis, 1, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); } else { CeedCallBackend(CeedBasisApply(basis, 1, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); } CeedCallBackend(CeedBasisDestroy(&basis)); break; // LCOV_EXCL_START case CEED_EVAL_WEIGHT: { return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); // LCOV_EXCL_STOP } } } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Restore Input Vectors //------------------------------------------------------------------------------ static inline int CeedOperatorRestoreInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { for (CeedInt i = 0; i < num_input_fields; i++) { CeedEvalMode eval_mode; // Skip active inputs if (skip_active) { bool is_active; CeedVector vec; CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (is_active) continue; } // Restore input CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); if (eval_mode == CEED_EVAL_WEIGHT) { // Skip } else { CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); } } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Operator Apply //------------------------------------------------------------------------------ static int CeedOperatorApplyAdd_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { CeedInt Q, num_elem, num_input_fields, num_output_fields, size; CeedEvalMode eval_mode; CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; // Setup CeedCallBackend(CeedOperatorSetup_Ref(op)); CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); // Restriction only operator if (impl->is_identity_rstr_op) { CeedElemRestriction elem_rstr; CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[0], &elem_rstr)); CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[0], &elem_rstr)); CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); return CEED_ERROR_SUCCESS; } CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); // Output Evecs for (CeedInt i = num_output_fields - 1; i >= 0; i--) { if (impl->skip_rstr_out[i]) { e_data_full[i + num_input_fields] = e_data_full[impl->e_data_out_indices[i] + num_input_fields]; } else { CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); } } // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { // Output pointers for (CeedInt i = 0; i < num_output_fields; i++) { CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); if (eval_mode == CEED_EVAL_NONE) { CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][(CeedSize)e * Q * size])); } } // Input basis apply CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, false, e_data_full, impl)); // Q function if (!impl->is_identity_qf) { CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); } // Output basis apply CeedCallBackend(CeedOperatorOutputBasis_Ref(e, Q, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, impl->apply_add_basis_out, op, e_data_full, impl)); } // Output restriction for (CeedInt i = 0; i < num_output_fields; i++) { bool is_active; CeedVector vec; CeedElemRestriction elem_rstr; if (impl->skip_rstr_out[i]) continue; // Restore Evec CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); // Active is_active = vec == CEED_VECTOR_ACTIVE; if (is_active) vec = out_vec; // Restrict CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); if (!is_active) CeedCallBackend(CeedVectorDestroy(&vec)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Core code for assembling linear QFunction //------------------------------------------------------------------------------ static inline int CeedOperatorLinearAssembleQFunctionCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { Ceed ceed_parent; CeedInt qf_size_in, qf_size_out, Q, num_elem, num_input_fields, num_output_fields; CeedScalar *assembled_array, *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetFallbackParentCeed(op, &ceed_parent)); CeedCallBackend(CeedOperatorGetData(op, &impl)); qf_size_in = impl->qf_size_in; qf_size_out = impl->qf_size_out; CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); // Setup CeedCallBackend(CeedOperatorSetup_Ref(op)); // Check for restriction only operator CeedCheck(!impl->is_identity_rstr_op, CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); // Count number of active input fields if (qf_size_in == 0) { for (CeedInt i = 0; i < num_input_fields; i++) { CeedInt field_size; CeedVector vec; // Get input vector CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); // Check if active input if (vec == CEED_VECTOR_ACTIVE) { CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); qf_size_in += field_size; } CeedCallBackend(CeedVectorDestroy(&vec)); } CeedCheck(qf_size_in > 0, CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); impl->qf_size_in = qf_size_in; } // Count number of active output fields if (qf_size_out == 0) { for (CeedInt i = 0; i < num_output_fields; i++) { CeedInt field_size; CeedVector vec; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE) { CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); qf_size_out += field_size; } CeedCallBackend(CeedVectorDestroy(&vec)); } CeedCheck(qf_size_out > 0, CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); impl->qf_size_out = qf_size_out; } // Build objects if needed if (build_objects) { const CeedSize l_size = (CeedSize)num_elem * Q * qf_size_in * qf_size_out; CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; /* *NOPAD* */ // Create output restriction CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, qf_size_in * qf_size_out, (CeedSize)qf_size_in * (CeedSize)qf_size_out * (CeedSize)num_elem * (CeedSize)Q, strides, rstr)); // Create assembled vector CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); } // Clear output vector CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &assembled_array)); // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { // Input basis apply CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, true, e_data_full, impl)); // Assemble QFunction for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; CeedInt field_size; CeedVector vec; // Set Inputs CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active) continue; CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); for (CeedInt field = 0; field < field_size; field++) { // Set current portion of input to 1.0 { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < Q; j++) array[field * Q + j] = 1.0; CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); } if (!impl->is_identity_qf) { // Set Outputs for (CeedInt out = 0; out < num_output_fields; out++) { CeedVector vec; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE) { CeedInt field_size; CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, assembled_array)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); assembled_array += field_size * Q; // Advance the pointer by the size of the output } CeedCallBackend(CeedVectorDestroy(&vec)); } // Apply QFunction CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); } else { CeedInt field_size; const CeedScalar *array; // Copy Identity Outputs CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < field_size * Q; j++) assembled_array[j] = array[j]; CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &array)); assembled_array += field_size * Q; } // Reset input to 0.0 { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < Q; j++) array[field * Q + j] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); } } } } // Un-set output Qvecs to prevent accidental overwrite of Assembled if (!impl->is_identity_qf) { for (CeedInt out = 0; out < num_output_fields; out++) { CeedVector vec; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); } CeedCallBackend(CeedVectorDestroy(&vec)); } } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); // Restore output CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); CeedCallBackend(CeedDestroy(&ceed_parent)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Assemble Linear QFunction //------------------------------------------------------------------------------ static int CeedOperatorLinearAssembleQFunction_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { return CeedOperatorLinearAssembleQFunctionCore_Ref(op, true, assembled, rstr, request); } //------------------------------------------------------------------------------ // Update Assembled Linear QFunction //------------------------------------------------------------------------------ static int CeedOperatorLinearAssembleQFunctionUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { return CeedOperatorLinearAssembleQFunctionCore_Ref(op, false, &assembled, &rstr, request); } //------------------------------------------------------------------------------ // Setup Input/Output Fields //------------------------------------------------------------------------------ static int CeedOperatorSetupFieldsAtPoints_Ref(CeedQFunction qf, CeedOperator op, bool is_input, bool *skip_rstr, bool *apply_add_basis, CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { Ceed ceed; CeedSize e_size, q_size; CeedInt max_num_points, num_comp, size, P; CeedQFunctionField *qf_fields; CeedOperatorField *op_fields; { Ceed ceed_parent; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); CeedCallBackend(CeedReferenceCopy(ceed_parent, &ceed)); CeedCallBackend(CeedDestroy(&ceed_parent)); } if (is_input) { CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); } else { CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); } // Get max number of points { CeedInt dim; CeedElemRestriction rstr_points = NULL; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, NULL)); CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_points, &dim)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); CeedCallBackend(CeedOperatorGetData(op, &impl)); if (is_input) { CeedCallBackend(CeedVectorCreate(ceed, dim * max_num_points, &impl->point_coords_elem)); CeedCallBackend(CeedVectorSetValue(impl->point_coords_elem, 0.0)); } } // Loop over fields for (CeedInt i = 0; i < num_fields; i++) { CeedEvalMode eval_mode; CeedBasis basis; CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); if (eval_mode != CEED_EVAL_WEIGHT) { CeedElemRestriction elem_rstr; CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs_full[i + start_e])); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCallBackend(CeedVectorSetValue(e_vecs_full[i + start_e], 0.0)); } switch (eval_mode) { case CEED_EVAL_NONE: { CeedVector vec; CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); e_size = (CeedSize)max_num_points * size; CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); if (vec == CEED_VECTOR_ACTIVE || !is_input) { CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &q_vecs[i])); } else { q_size = (CeedSize)max_num_points * size; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); } CeedCallBackend(CeedVectorDestroy(&vec)); break; } case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); e_size = (CeedSize)P * num_comp; CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); q_size = (CeedSize)max_num_points * size; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; case CEED_EVAL_WEIGHT: // Only on input fields CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); q_size = (CeedSize)max_num_points; CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); CeedCallBackend(CeedBasisApplyAtPoints(basis, 1, &max_num_points, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, CEED_VECTOR_NONE, q_vecs[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; } // Initialize full arrays for E-vectors and Q-vectors if (e_vecs[i]) CeedCallBackend(CeedVectorSetValue(e_vecs[i], 0.0)); if (eval_mode != CEED_EVAL_WEIGHT) CeedCallBackend(CeedVectorSetValue(q_vecs[i], 0.0)); } // Drop duplicate restrictions if (is_input) { for (CeedInt i = 0; i < num_fields; i++) { CeedVector vec_i; CeedElemRestriction rstr_i; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); for (CeedInt j = i + 1; j < num_fields; j++) { CeedVector vec_j; CeedElemRestriction rstr_j; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); if (vec_i == vec_j && rstr_i == rstr_j) { CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); skip_rstr[j] = true; } CeedCallBackend(CeedVectorDestroy(&vec_j)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); } CeedCallBackend(CeedVectorDestroy(&vec_i)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); } } else { for (CeedInt i = num_fields - 1; i >= 0; i--) { CeedVector vec_i; CeedElemRestriction rstr_i; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); for (CeedInt j = i - 1; j >= 0; j--) { CeedVector vec_j; CeedElemRestriction rstr_j; CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); if (vec_i == vec_j && rstr_i == rstr_j) { CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); skip_rstr[j] = true; apply_add_basis[i] = true; } CeedCallBackend(CeedVectorDestroy(&vec_j)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); } CeedCallBackend(CeedVectorDestroy(&vec_i)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); } } CeedCallBackend(CeedDestroy(&ceed)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Setup Operator //------------------------------------------------------------------------------ static int CeedOperatorSetupAtPoints_Ref(CeedOperator op) { bool is_setup_done; CeedInt Q, num_input_fields, num_output_fields; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); if (is_setup_done) return CEED_ERROR_SUCCESS; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Allocate CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->apply_add_basis_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); impl->num_inputs = num_input_fields; impl->num_outputs = num_output_fields; // Set up infield and outfield pointer arrays // Infields CeedCallBackend(CeedOperatorSetupFieldsAtPoints_Ref(qf, op, true, impl->skip_rstr_in, NULL, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); // Outfields CeedCallBackend(CeedOperatorSetupFieldsAtPoints_Ref(qf, op, false, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, num_output_fields, Q)); // Identity QFunctions if (impl->is_identity_qf) { CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->e_vecs_out[0])); } CeedCallBackend(CeedOperatorSetSetupDone(op)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Input Basis Action //------------------------------------------------------------------------------ static inline int CeedOperatorInputBasisAtPoints_Ref(CeedInt e, CeedInt num_points_offset, CeedInt num_points, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, CeedInt num_input_fields, CeedVector in_vec, CeedVector point_coords_elem, bool skip_active, bool skip_passive, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl, CeedRequest *request) { for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; CeedInt elem_size, size, num_comp; CeedRestrictionType rstr_type; CeedEvalMode eval_mode; CeedVector vec; CeedElemRestriction elem_rstr; CeedBasis basis; // Skip active input CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (skip_active && is_active) continue; if (skip_passive && !is_active) continue; // Get elem_size, eval_mode, size CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); // Restrict block active input // When skipping passive inputs, we're doing assembly and should not restrict if (is_active && !impl->skip_rstr_in[i] && !skip_passive) { if (rstr_type == CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(elem_rstr, e, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); } else { CeedCallBackend(CeedElemRestrictionApplyBlock(elem_rstr, e, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); } } // Basis action switch (eval_mode) { case CEED_EVAL_NONE: if (!is_active) { CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][num_points_offset * size])); } break; // Note - these basis eval modes require FEM fields case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); if (!is_active) { CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][(CeedSize)e * elem_size * num_comp])); } CeedCallBackend(CeedBasisApplyAtPoints(basis, 1, &num_points, CEED_NOTRANSPOSE, eval_mode, point_coords_elem, impl->e_vecs_in[i], impl->q_vecs_in[i])); CeedCallBackend(CeedBasisDestroy(&basis)); break; case CEED_EVAL_WEIGHT: break; // No action } CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Output Basis Action //------------------------------------------------------------------------------ static inline int CeedOperatorOutputBasisAtPoints_Ref(CeedInt e, CeedInt num_points_offset, CeedInt num_points, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, CeedInt num_input_fields, CeedInt num_output_fields, bool *apply_add_basis, bool *skip_rstr, CeedOperator op, CeedVector out_vec, CeedVector point_coords_elem, bool skip_passive, CeedOperator_Ref *impl, CeedRequest *request) { for (CeedInt i = 0; i < num_output_fields; i++) { bool is_active; CeedRestrictionType rstr_type; CeedEvalMode eval_mode; CeedVector vec; CeedElemRestriction elem_rstr; CeedBasis basis; // Skip active input CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (skip_passive && !is_active) continue; // Get elem_size, eval_mode, size CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); // Basis action switch (eval_mode) { case CEED_EVAL_NONE: break; // No action case CEED_EVAL_INTERP: case CEED_EVAL_GRAD: case CEED_EVAL_DIV: case CEED_EVAL_CURL: CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); if (apply_add_basis[i]) { CeedCallBackend(CeedBasisApplyAddAtPoints(basis, 1, &num_points, CEED_TRANSPOSE, eval_mode, point_coords_elem, impl->q_vecs_out[i], impl->e_vecs_out[i])); } else { CeedCallBackend(CeedBasisApplyAtPoints(basis, 1, &num_points, CEED_TRANSPOSE, eval_mode, point_coords_elem, impl->q_vecs_out[i], impl->e_vecs_out[i])); } CeedCallBackend(CeedBasisDestroy(&basis)); break; // LCOV_EXCL_START case CEED_EVAL_WEIGHT: { return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); // LCOV_EXCL_STOP } } // Restrict output block // When skipping passive outputs, we're doing assembly and should not restrict if (skip_rstr[i] || skip_passive) { CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); continue; } // Get output vector CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); if (is_active) vec = out_vec; // Restrict if (rstr_type == CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); } else { CeedCallBackend(CeedElemRestrictionApplyBlock(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); } if (!is_active) CeedCallBackend(CeedVectorDestroy(&vec)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Operator Apply //------------------------------------------------------------------------------ static int CeedOperatorApplyAddAtPoints_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { CeedInt num_points_offset = 0, num_input_fields, num_output_fields, num_elem; CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; CeedVector point_coords = NULL; CeedElemRestriction rstr_points = NULL; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Setup CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); // Point coordinates CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data, impl, request)); // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { CeedInt num_points; // Setup points for element CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); if (num_points < 1) continue; // Input basis apply CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, impl->point_coords_elem, false, false, e_data, impl, request)); // Q function if (!impl->is_identity_qf) { CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); } // Output basis apply and restriction CeedCallBackend(CeedOperatorOutputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, impl->apply_add_basis_out, impl->skip_rstr_out, op, out_vec, impl->point_coords_elem, false, impl, request)); num_points_offset += num_points; } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data, impl)); // Cleanup point coordinates CeedCallBackend(CeedVectorDestroy(&point_coords)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Core code for assembling linear QFunction //------------------------------------------------------------------------------ static inline int CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { Ceed ceed; CeedInt qf_size_in, qf_size_out, max_num_points, num_elem, num_input_fields, num_output_fields, num_points_offset = 0; CeedScalar *assembled_array, *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; CeedVector point_coords = NULL; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedElemRestriction rstr_points = NULL; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedOperatorGetData(op, &impl)); qf_size_in = impl->qf_size_in; qf_size_out = impl->qf_size_out; CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); // Setup CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); // Check for restriction only operator CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); // Point coordinates CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); // Count number of active input fields if (qf_size_in == 0) { for (CeedInt i = 0; i < num_input_fields; i++) { CeedInt field_size; CeedVector vec; // Get input vector CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); // Check if active input if (vec == CEED_VECTOR_ACTIVE) { // Check that all active inputs are nodal fields { CeedElemRestriction elem_rstr; bool is_at_points = false; CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionIsAtPoints(elem_rstr, &is_at_points)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCheck(!is_at_points, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction with active input at points"); } // Get size of active input CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); qf_size_in += field_size; } CeedCallBackend(CeedVectorDestroy(&vec)); } CeedCheck(qf_size_in, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); impl->qf_size_in = qf_size_in; } // Count number of active output fields if (qf_size_out == 0) { for (CeedInt i = 0; i < num_output_fields; i++) { CeedInt field_size; CeedVector vec; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE) { // Check that all active inputs are nodal fields { CeedElemRestriction elem_rstr; bool is_at_points = false; CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionIsAtPoints(elem_rstr, &is_at_points)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); CeedCheck(!is_at_points, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction with active input at points"); } // Get size of active output CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); qf_size_out += field_size; } CeedCallBackend(CeedVectorDestroy(&vec)); } CeedCheck(qf_size_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); impl->qf_size_out = qf_size_out; } // Build objects if needed if (build_objects) { CeedInt num_points_total; const CeedInt *offsets; CeedCallBackend(CeedElemRestrictionGetNumPoints(rstr_points, &num_points_total)); // Create output restriction (at points) CeedCallBackend(CeedElemRestrictionGetOffsets(rstr_points, CEED_MEM_HOST, &offsets)); CeedCallBackend(CeedElemRestrictionCreateAtPoints(ceed, num_elem, num_points_total, qf_size_in * qf_size_out, qf_size_in * qf_size_out * num_points_total, CEED_MEM_HOST, CEED_COPY_VALUES, offsets, rstr)); CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr_points, &offsets)); // Create assembled vector CeedCallBackend(CeedElemRestrictionCreateVector(*rstr, assembled, NULL)); } // Clear output vector CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &assembled_array)); // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { CeedInt num_points; // Setup points for element CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); if (num_points < 1) continue; // Input basis apply CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, NULL, impl->point_coords_elem, true, false, e_data_full, impl, request)); // Assemble QFunction for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; CeedInt field_size; CeedVector vec; // Get input vector CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); // Check if active input if (!is_active) continue; // Get size of active input CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); for (CeedInt field = 0; field < field_size; field++) { // Set current portion of input to 1.0 { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < num_points; j++) array[field * num_points + j] = 1.0; CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); } if (!impl->is_identity_qf) { // Set Outputs for (CeedInt out = 0; out < num_output_fields; out++) { CeedVector vec; CeedInt field_size; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE) { CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, assembled_array)); CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); assembled_array += field_size * num_points; // Advance the pointer by the size of the output } CeedCallBackend(CeedVectorDestroy(&vec)); } // Apply QFunction CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); } else { const CeedScalar *array; CeedInt field_size; // Copy Identity Outputs CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < field_size * num_points; j++) assembled_array[j] = array[j]; CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &array)); assembled_array += field_size * num_points; } // Reset input to 0.0 { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); for (CeedInt j = 0; j < num_points; j++) array[field * num_points + j] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); } } } num_points_offset += num_points; } // Un-set output Qvecs to prevent accidental overwrite of Assembled if (!impl->is_identity_qf) { for (CeedInt out = 0; out < num_output_fields; out++) { CeedVector vec; // Get output vector CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); // Check if active output if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); } CeedCallBackend(CeedVectorDestroy(&vec)); } } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); // Restore output CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); // Cleanup CeedCallBackend(CeedDestroy(&ceed)); CeedCallBackend(CeedVectorDestroy(&point_coords)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Assemble Linear QFunction //------------------------------------------------------------------------------ static int CeedOperatorLinearAssembleQFunctionAtPoints_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { return CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(op, true, assembled, rstr, request); } //------------------------------------------------------------------------------ // Update Assembled Linear QFunction //------------------------------------------------------------------------------ static int CeedOperatorLinearAssembleQFunctionAtPointsUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { return CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(op, false, &assembled, &rstr, request); } //------------------------------------------------------------------------------ // Assemble Operator Diagonal AtPoints //------------------------------------------------------------------------------ static int CeedOperatorLinearAssembleAddDiagonalAtPoints_Ref(CeedOperator op, CeedVector assembled, CeedRequest *request) { CeedInt num_points_offset = 0, num_input_fields, num_output_fields, num_elem, num_comp_active = 1; CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; Ceed ceed; CeedVector point_coords = NULL, in_vec, out_vec; CeedElemRestriction rstr_points = NULL; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Setup CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); // Ceed { Ceed ceed_parent; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); CeedCallBackend(CeedReferenceCopy(ceed_parent, &ceed)); CeedCallBackend(CeedDestroy(&ceed_parent)); } // Point coordinates CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); // Input and output vectors { CeedSize input_size, output_size; CeedCallBackend(CeedOperatorGetActiveVectorLengths(op, &input_size, &output_size)); CeedCallBackend(CeedVectorCreate(ceed, input_size, &in_vec)); CeedCallBackend(CeedVectorCreate(ceed, output_size, &out_vec)); CeedCallBackend(CeedVectorSetValue(out_vec, 0.0)); } // Clear input Evecs for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; CeedVector vec; CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_in[i]) continue; CeedCallBackend(CeedVectorSetValue(impl->e_vecs_in[i], 0.0)); } // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data, impl, request)); // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { CeedInt num_points, e_vec_size = 0; // Setup points for element CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); if (num_points < 1) continue; // Input basis apply for non-active bases CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, impl->point_coords_elem, true, false, e_data, impl, request)); // Loop over points on element for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active_at_points = true, is_active; CeedInt elem_size_active = 1; CeedRestrictionType rstr_type; CeedVector vec; CeedElemRestriction elem_rstr; // -- Skip non-active input CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_in[i]) continue; // -- Get active restriction type CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); is_active_at_points = rstr_type == CEED_RESTRICTION_POINTS; if (!is_active_at_points) CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size_active)); else elem_size_active = num_points; CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp_active)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); e_vec_size = elem_size_active * num_comp_active; for (CeedInt s = 0; s < e_vec_size; s++) { // -- Update unit vector { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->e_vecs_in[i], CEED_MEM_HOST, &array)); array[s] = 1.0; if (s > 0) array[s - 1] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &array)); } // Input basis apply for active bases CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, impl->point_coords_elem, false, true, e_data, impl, request)); // -- Q function if (!impl->is_identity_qf) { CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); } // -- Output basis apply and restriction CeedCallBackend(CeedOperatorOutputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, impl->apply_add_basis_out, impl->skip_rstr_out, op, out_vec, impl->point_coords_elem, true, impl, request)); // -- Grab diagonal value for (CeedInt j = 0; j < num_output_fields; j++) { bool is_active; CeedInt elem_size = 0; CeedRestrictionType rstr_type; CeedVector vec; CeedElemRestriction elem_rstr; // ---- Skip non-active output CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_out[j]) continue; // ---- Check if elem size matches CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); if (is_active_at_points && rstr_type != CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); continue; } if (rstr_type == CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(elem_rstr, e, &elem_size)); } else { CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); } { CeedInt num_comp = 0; CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); if (e_vec_size != num_comp * elem_size) { CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); continue; } } // ---- Update output vector { CeedScalar *array, current_value = 0.0; CeedCallBackend(CeedVectorGetArray(impl->e_vecs_out[j], CEED_MEM_HOST, &array)); current_value = array[s]; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[j], &array)); CeedCallBackend(CeedVectorSetValue(impl->e_vecs_out[j], 0.0)); CeedCallBackend(CeedVectorGetArray(impl->e_vecs_out[j], CEED_MEM_HOST, &array)); array[s] = current_value; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[j], &array)); } // ---- Restrict output block if (rstr_type == CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[j], assembled, request)); } else { CeedCallBackend(CeedElemRestrictionApplyBlock(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[j], assembled, request)); } CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); } // -- Reset unit vector if (s == e_vec_size - 1) { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->e_vecs_in[i], CEED_MEM_HOST, &array)); array[s] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &array)); } } } num_points_offset += num_points; } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data, impl)); // Cleanup CeedCallBackend(CeedDestroy(&ceed)); CeedCallBackend(CeedVectorDestroy(&in_vec)); CeedCallBackend(CeedVectorDestroy(&out_vec)); CeedCallBackend(CeedVectorDestroy(&point_coords)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Assemble Operator AtPoints //------------------------------------------------------------------------------ static int CeedOperatorAssembleSingleAtPoints_Ref(CeedOperator op, CeedInt offset, CeedVector values) { CeedInt num_points_offset = 0, num_input_fields, num_output_fields, num_elem, num_comp_active = 1; CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}, *assembled; Ceed ceed; CeedVector point_coords = NULL, in_vec, out_vec; CeedElemRestriction rstr_points = NULL; CeedQFunctionField *qf_input_fields, *qf_output_fields; CeedQFunction qf; CeedOperatorField *op_input_fields, *op_output_fields; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); // Setup CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); // Ceed { Ceed ceed_parent; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); CeedCallBackend(CeedReferenceCopy(ceed_parent, &ceed)); CeedCallBackend(CeedDestroy(&ceed_parent)); } // Point coordinates CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); // Input and output vectors { CeedSize input_size, output_size; CeedCallBackend(CeedOperatorGetActiveVectorLengths(op, &input_size, &output_size)); CeedCallBackend(CeedVectorCreate(ceed, input_size, &in_vec)); CeedCallBackend(CeedVectorCreate(ceed, output_size, &out_vec)); CeedCallBackend(CeedVectorSetValue(out_vec, 0.0)); } // Assembled array CeedCallBackend(CeedVectorGetArray(values, CEED_MEM_HOST, &assembled)); // Clear input Evecs for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active; CeedVector vec; CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_in[i]) continue; CeedCallBackend(CeedVectorSetValue(impl->e_vecs_in[i], 0.0)); } // Input Evecs and Restriction CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data, impl, CEED_REQUEST_IMMEDIATE)); // Loop through elements for (CeedInt e = 0; e < num_elem; e++) { CeedInt num_points, e_vec_size = 0; // Setup points for element CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, CEED_REQUEST_IMMEDIATE)); CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); if (num_points < 1) continue; // Input basis apply for non-active bases CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, impl->point_coords_elem, true, false, e_data, impl, CEED_REQUEST_IMMEDIATE)); // Loop over points on element for (CeedInt i = 0; i < num_input_fields; i++) { bool is_active_at_points = true, is_active; CeedInt elem_size_active = 1; CeedRestrictionType rstr_type; CeedVector vec; CeedElemRestriction elem_rstr; // -- Skip non-active input CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_in[i]) continue; // -- Get active restriction type CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); is_active_at_points = rstr_type == CEED_RESTRICTION_POINTS; if (!is_active_at_points) CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size_active)); else elem_size_active = num_points; CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp_active)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); e_vec_size = elem_size_active * num_comp_active; for (CeedInt s = 0; s < e_vec_size; s++) { const CeedInt comp_in = s / elem_size_active; const CeedInt node_in = s % elem_size_active; // -- Update unit vector { CeedScalar *array; if (s == 0) CeedCallBackend(CeedVectorSetValue(impl->e_vecs_in[i], 0.0)); CeedCallBackend(CeedVectorGetArray(impl->e_vecs_in[i], CEED_MEM_HOST, &array)); array[s] = 1.0; if (s > 0) array[s - 1] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &array)); } // Input basis apply for active bases CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, impl->point_coords_elem, false, true, e_data, impl, CEED_REQUEST_IMMEDIATE)); // -- Q function if (!impl->is_identity_qf) { CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); } // -- Output basis apply and restriction CeedCallBackend(CeedOperatorOutputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, impl->apply_add_basis_out, impl->skip_rstr_out, op, out_vec, impl->point_coords_elem, true, impl, CEED_REQUEST_IMMEDIATE)); // -- Build element matrix for (CeedInt j = 0; j < num_output_fields; j++) { bool is_active; CeedInt elem_size = 0; CeedRestrictionType rstr_type; CeedVector vec; CeedElemRestriction elem_rstr; // ---- Skip non-active output CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec)); is_active = vec == CEED_VECTOR_ACTIVE; CeedCallBackend(CeedVectorDestroy(&vec)); if (!is_active || impl->skip_rstr_out[j]) continue; // ---- Check if elem size matches CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &elem_rstr)); CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); if (is_active_at_points && rstr_type != CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); continue; } if (rstr_type == CEED_RESTRICTION_POINTS) { CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(elem_rstr, e, &elem_size)); } else { CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); } { CeedInt num_comp = 0; CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); if (e_vec_size != num_comp * elem_size) continue; } // ---- Copy output { const CeedScalar *output; CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_out[j], CEED_MEM_HOST, &output)); for (CeedInt k = 0; k < e_vec_size; k++) { const CeedInt comp_out = k / elem_size_active; const CeedInt node_out = k % elem_size_active; assembled[offset + e * e_vec_size * e_vec_size + (comp_in * num_comp_active + comp_out) * elem_size_active * elem_size_active + node_out * elem_size_active + node_in] = output[k]; } CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_out[j], &output)); } } // -- Reset unit vector if (s == e_vec_size - 1) { CeedScalar *array; CeedCallBackend(CeedVectorGetArray(impl->e_vecs_in[i], CEED_MEM_HOST, &array)); array[s] = 0.0; CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &array)); } } } num_points_offset += num_points; } // Restore input arrays CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data, impl)); // Restore assembled values CeedCallBackend(CeedVectorRestoreArray(values, &assembled)); // Cleanup CeedCallBackend(CeedDestroy(&ceed)); CeedCallBackend(CeedVectorDestroy(&in_vec)); CeedCallBackend(CeedVectorDestroy(&out_vec)); CeedCallBackend(CeedVectorDestroy(&point_coords)); CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); CeedCallBackend(CeedQFunctionDestroy(&qf)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Operator Destroy //------------------------------------------------------------------------------ static int CeedOperatorDestroy_Ref(CeedOperator op) { CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetData(op, &impl)); CeedCallBackend(CeedFree(&impl->skip_rstr_in)); CeedCallBackend(CeedFree(&impl->skip_rstr_out)); CeedCallBackend(CeedFree(&impl->e_data_out_indices)); CeedCallBackend(CeedFree(&impl->apply_add_basis_out)); for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); } CeedCallBackend(CeedFree(&impl->e_vecs_full)); CeedCallBackend(CeedFree(&impl->input_states)); for (CeedInt i = 0; i < impl->num_inputs; i++) { CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); } CeedCallBackend(CeedFree(&impl->e_vecs_in)); CeedCallBackend(CeedFree(&impl->q_vecs_in)); for (CeedInt i = 0; i < impl->num_outputs; i++) { CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); } CeedCallBackend(CeedFree(&impl->e_vecs_out)); CeedCallBackend(CeedFree(&impl->q_vecs_out)); CeedCallBackend(CeedVectorDestroy(&impl->point_coords_elem)); CeedCallBackend(CeedFree(&impl)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Operator Create //------------------------------------------------------------------------------ int CeedOperatorCreate_Ref(CeedOperator op) { Ceed ceed; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedCalloc(1, &impl)); CeedCallBackend(CeedOperatorSetData(op, impl)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); CeedCallBackend(CeedDestroy(&ceed)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------ // Operator Create At Points //------------------------------------------------------------------------------ int CeedOperatorCreateAtPoints_Ref(CeedOperator op) { Ceed ceed; CeedOperator_Ref *impl; CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); CeedCallBackend(CeedCalloc(1, &impl)); CeedCallBackend(CeedOperatorSetData(op, impl)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunctionAtPoints_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionAtPointsUpdate_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonalAtPoints_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleSingle", CeedOperatorAssembleSingleAtPoints_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAddAtPoints_Ref)); CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); CeedCallBackend(CeedDestroy(&ceed)); return CEED_ERROR_SUCCESS; } //------------------------------------------------------------------------------