1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "AO test contributed by Sebastian Steiger <steiger@purdue.edu>, March 2011\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown /* 5c4762a1bSJed Brown Example of usage: 6c4762a1bSJed Brown mpiexec -n 12 ./ex3 7c4762a1bSJed Brown mpiexec -n 30 ./ex3 -ao_type basic 8c4762a1bSJed Brown */ 9c4762a1bSJed Brown 10c4762a1bSJed Brown #include <iostream> 11c4762a1bSJed Brown #include <fstream> 12c4762a1bSJed Brown #include <vector> 13c4762a1bSJed Brown #include <petscvec.h> 14c4762a1bSJed Brown #include <petscao.h> 15c4762a1bSJed Brown 16c4762a1bSJed Brown using namespace std; 17c4762a1bSJed Brown 18c4762a1bSJed Brown int main(int argc, char** argv) 19c4762a1bSJed Brown { 20c4762a1bSJed Brown PetscErrorCode ierr; 21c4762a1bSJed Brown AO ao; 22c4762a1bSJed Brown IS isapp; 23c4762a1bSJed Brown char infile[PETSC_MAX_PATH_LEN],datafiles[PETSC_MAX_PATH_LEN]; 24c4762a1bSJed Brown PetscBool flg; 25c4762a1bSJed Brown PetscMPIInt size,rank; 26c4762a1bSJed Brown 27c4762a1bSJed Brown ierr = PetscInitialize(&argc, &argv, (char*)0, help);if (ierr) return ierr; 28ffc4695bSBarry Smith ierr = MPI_Comm_size(PETSC_COMM_WORLD, &size);CHKERRMPI(ierr); 29ffc4695bSBarry Smith ierr = MPI_Comm_rank(PETSC_COMM_WORLD, &rank);CHKERRMPI(ierr); 30c4762a1bSJed Brown 31c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-datafiles",datafiles,sizeof(datafiles),&flg);CHKERRQ(ierr); 32*54c59aa7SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must specify -datafiles ${DATAFILESPATH}/ao"); 33c4762a1bSJed Brown 34c4762a1bSJed Brown // read in application indices 35c4762a1bSJed Brown ierr = PetscSNPrintf(infile,sizeof(infile),"%s/AO%dCPUs/ao_p%d_appindices.txt",datafiles,size,rank);CHKERRQ(ierr); 36c4762a1bSJed Brown ifstream fin(infile); 37*54c59aa7SJacob Faibussowitsch PetscCheck(fin,PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"File not found: %s",infile); 38c4762a1bSJed Brown vector<PetscInt> myapp; 39c4762a1bSJed Brown int tmp=-1; 40c4762a1bSJed Brown while (!fin.eof()) { 41c4762a1bSJed Brown tmp=-1; 42c4762a1bSJed Brown fin >> tmp; 43c4762a1bSJed Brown if (tmp==-1) break; 44c4762a1bSJed Brown myapp.push_back(tmp); 45c4762a1bSJed Brown } 4605d37114SJacob Faibussowitsch #if __cplusplus >= 201103L // c++11 4705d37114SJacob Faibussowitsch static_assert(is_same<decltype(myapp.size()),size_t>::value,""); 4805d37114SJacob Faibussowitsch #endif 4905d37114SJacob Faibussowitsch ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d] has %zu indices.\n",rank,myapp.size());CHKERRQ(ierr); 50c4762a1bSJed Brown ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr); 51c4762a1bSJed Brown 52c4762a1bSJed Brown ierr = ISCreateGeneral(PETSC_COMM_WORLD, myapp.size(), &(myapp[0]), PETSC_USE_POINTER, &isapp);CHKERRQ(ierr); 53c4762a1bSJed Brown 54c4762a1bSJed Brown ierr = AOCreate(PETSC_COMM_WORLD, &ao);CHKERRQ(ierr); 55c4762a1bSJed Brown ierr = AOSetIS(ao, isapp, NULL);CHKERRQ(ierr); 56c4762a1bSJed Brown ierr = AOSetType(ao, AOMEMORYSCALABLE);CHKERRQ(ierr); 57c4762a1bSJed Brown ierr = AOSetFromOptions(ao);CHKERRQ(ierr); 58c4762a1bSJed Brown 59c4762a1bSJed Brown if (rank==0) cout << "AO has been set up." << endl; 60c4762a1bSJed Brown 61c4762a1bSJed Brown ierr = AODestroy(&ao);CHKERRQ(ierr); 62c4762a1bSJed Brown ierr = ISDestroy(&isapp);CHKERRQ(ierr); 63c4762a1bSJed Brown 64c4762a1bSJed Brown if (rank==0) cout << "AO is done." << endl; 65c4762a1bSJed Brown 66c4762a1bSJed Brown ierr = PetscFinalize(); 67c4762a1bSJed Brown return ierr; 68c4762a1bSJed Brown } 69c4762a1bSJed Brown 70c4762a1bSJed Brown /*TEST 71c4762a1bSJed Brown 72c4762a1bSJed Brown build: 73dfd57a17SPierre Jolivet requires: !defined(PETSC_USE_64BIT_INDICES) 74c4762a1bSJed Brown 75c4762a1bSJed Brown test: 76c4762a1bSJed Brown nsize: 12 77c4762a1bSJed Brown requires: double !complex datafilespath 78c4762a1bSJed Brown args: -datafiles ${DATAFILESPATH}/ao 79c4762a1bSJed Brown output_file: output/ex3_1.out 80c4762a1bSJed Brown 81c4762a1bSJed Brown test: 82c4762a1bSJed Brown suffix: 2 83c4762a1bSJed Brown nsize: 12 84c4762a1bSJed Brown requires: double !complex datafilespath 85c4762a1bSJed Brown args: -ao_type basic -datafiles ${DATAFILESPATH}/ao 86c4762a1bSJed Brown output_file: output/ex3_1.out 87c4762a1bSJed Brown 88c4762a1bSJed Brown test: 89c4762a1bSJed Brown suffix: 3 90c4762a1bSJed Brown nsize: 30 91c4762a1bSJed Brown requires: double !complex datafilespath 92c4762a1bSJed Brown args: -datafiles ${DATAFILESPATH}/ao 93c4762a1bSJed Brown 94c4762a1bSJed Brown test: 95c4762a1bSJed Brown suffix: 4 96c4762a1bSJed Brown nsize: 30 97c4762a1bSJed Brown requires: double !complex datafilespath 98c4762a1bSJed Brown args: -ao_type basic -datafiles ${DATAFILESPATH}/ao 99c4762a1bSJed Brown output_file: output/ex3_3.out 100c4762a1bSJed Brown 101c4762a1bSJed Brown TEST*/ 102