1c4762a1bSJed Brown! Program usage: mpiexec -n 1 chwirut1f [-help] [all TAO options] 2c4762a1bSJed Brown! 3c4762a1bSJed Brown! Description: This example demonstrates use of the TAO package to solve a 4c4762a1bSJed Brown! nonlinear least-squares problem on a single processor. We minimize the 5c4762a1bSJed Brown! Chwirut function: 6c4762a1bSJed Brown! sum_{i=0}^{n/2-1} ( alpha*(x_{2i+1}-x_{2i}^2)^2 + (1-x_{2i})^2 ) 7c4762a1bSJed Brown! 8c4762a1bSJed Brown! The C version of this code is chwirut1.c 9c4762a1bSJed Brown! 10c4762a1bSJed Brown!!/*T 11c4762a1bSJed Brown! Concepts: TAO^Solving an unconstrained minimization problem 12c4762a1bSJed Brown! Routines: TaoCreate(); 13c4762a1bSJed Brown! Routines: TaoSetType(); 14c4762a1bSJed Brown! Routines: TaoSetResidualRoutine(); 15c4762a1bSJed Brown! Routines: TaoSetInitialVector(); 16c4762a1bSJed Brown! Routines: TaoSetFromOptions(); 17c4762a1bSJed Brown! Routines: TaoSolve(); 18c4762a1bSJed Brown! Routines: TaoDestroy(); 19c4762a1bSJed Brown! Processors: n 20c4762a1bSJed Brown!T*/ 21c4762a1bSJed Brown 22c4762a1bSJed Brown 23c4762a1bSJed Brown! 24c4762a1bSJed Brown! ---------------------------------------------------------------------- 25c4762a1bSJed Brown! 26c4762a1bSJed Brown#include "chwirut2f.h" 27c4762a1bSJed Brown 28c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 29c4762a1bSJed Brown! Variable declarations 30c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 31c4762a1bSJed Brown! 32c4762a1bSJed Brown! See additional variable declarations in the file chwirut2f.h 33c4762a1bSJed Brown 34c4762a1bSJed Brown PetscErrorCode ierr ! used to check for functions returning nonzeros 35c4762a1bSJed Brown Vec x ! solution vector 36c4762a1bSJed Brown Vec f ! vector of functions 37c4762a1bSJed Brown Tao tao ! Tao context 38c4762a1bSJed Brown 39c4762a1bSJed Brown! Note: Any user-defined Fortran routines (such as FormGradient) 40c4762a1bSJed Brown! MUST be declared as external. 41c4762a1bSJed Brown 42c4762a1bSJed Brown external FormFunction 43c4762a1bSJed Brown 44c4762a1bSJed Brown! Initialize TAO and PETSc 45c4762a1bSJed Brown call PetscInitialize(PETSC_NULL_CHARACTER,ierr) 46c4762a1bSJed Brown if (ierr .ne. 0) then 47c4762a1bSJed Brown print*,'Unable to initialize PETSc' 48c4762a1bSJed Brown stop 49c4762a1bSJed Brown endif 50c4762a1bSJed Brown 51c4762a1bSJed Brown call MPI_Comm_size(PETSC_COMM_WORLD,size,ierr) 52c4762a1bSJed Brown CHKERRA(ierr) 53c4762a1bSJed Brown call MPI_Comm_rank(PETSC_COMM_WORLD,rank,ierr) 54c4762a1bSJed Brown CHKERRA(ierr) 55c4762a1bSJed Brown 56c4762a1bSJed Brown! Initialize problem parameters 57c4762a1bSJed Brown call InitializeData() 58c4762a1bSJed Brown 59c4762a1bSJed Brown if (rank .eq. 0) then 60c4762a1bSJed Brown! Allocate vectors for the solution and gradient 61c4762a1bSJed Brown call VecCreateSeq(PETSC_COMM_SELF,n,x,ierr) 62c4762a1bSJed Brown CHKERRA(ierr) 63c4762a1bSJed Brown call VecCreateSeq(PETSC_COMM_SELF,m,f,ierr) 64c4762a1bSJed Brown CHKERRA(ierr) 65c4762a1bSJed Brown 66c4762a1bSJed Brown 67c4762a1bSJed Brown! The TAO code begins here 68c4762a1bSJed Brown 69c4762a1bSJed Brown! Create TAO solver 70c4762a1bSJed Brown call TaoCreate(PETSC_COMM_SELF,tao,ierr) 71c4762a1bSJed Brown CHKERRA(ierr) 72c4762a1bSJed Brown call TaoSetType(tao,TAOPOUNDERS,ierr) 73c4762a1bSJed Brown CHKERRA(ierr) 74c4762a1bSJed Brown 75c4762a1bSJed Brown! Set routines for function, gradient, and hessian evaluation 76c4762a1bSJed Brown call TaoSetResidualRoutine(tao,f, & 77c4762a1bSJed Brown & FormFunction,0,ierr) 78c4762a1bSJed Brown CHKERRA(ierr) 79c4762a1bSJed Brown 80c4762a1bSJed Brown! Optional: Set initial guess 81c4762a1bSJed Brown call FormStartingPoint(x) 82c4762a1bSJed Brown call TaoSetInitialVector(tao, x, ierr) 83c4762a1bSJed Brown CHKERRA(ierr) 84c4762a1bSJed Brown 85c4762a1bSJed Brown 86c4762a1bSJed Brown! Check for TAO command line options 87c4762a1bSJed Brown call TaoSetFromOptions(tao,ierr) 88c4762a1bSJed Brown CHKERRA(ierr) 89c4762a1bSJed Brown! SOLVE THE APPLICATION 90c4762a1bSJed Brown call TaoSolve(tao,ierr) 91c4762a1bSJed Brown CHKERRA(ierr) 92c4762a1bSJed Brown 93c4762a1bSJed Brown! Free TAO data structures 94c4762a1bSJed Brown call TaoDestroy(tao,ierr) 95c4762a1bSJed Brown CHKERRA(ierr) 96c4762a1bSJed Brown 97c4762a1bSJed Brown! Free PETSc data structures 98c4762a1bSJed Brown call VecDestroy(x,ierr) 99c4762a1bSJed Brown CHKERRA(ierr) 100c4762a1bSJed Brown call VecDestroy(f,ierr) 101c4762a1bSJed Brown CHKERRA(ierr) 102c4762a1bSJed Brown call StopWorkers(ierr) 103c4762a1bSJed Brown CHKERRA(ierr) 104c4762a1bSJed Brown 105c4762a1bSJed Brown else 106c4762a1bSJed Brown call TaskWorker(ierr) 107c4762a1bSJed Brown CHKERRA(ierr) 108c4762a1bSJed Brown endif 109c4762a1bSJed Brown 110c4762a1bSJed Brown call PetscFinalize(ierr) 111c4762a1bSJed Brown end 112c4762a1bSJed Brown 113c4762a1bSJed Brown 114c4762a1bSJed Brown! -------------------------------------------------------------------- 115c4762a1bSJed Brown! FormFunction - Evaluates the function f(X) and gradient G(X) 116c4762a1bSJed Brown! 117c4762a1bSJed Brown! Input Parameters: 118c4762a1bSJed Brown! tao - the Tao context 119c4762a1bSJed Brown! X - input vector 120c4762a1bSJed Brown! dummy - not used 121c4762a1bSJed Brown! 122c4762a1bSJed Brown! Output Parameters: 123c4762a1bSJed Brown! f - function vector 124c4762a1bSJed Brown 125c4762a1bSJed Brown subroutine FormFunction(tao, x, f, dummy, ierr) 126c4762a1bSJed Brown#include "chwirut2f.h" 127c4762a1bSJed Brown 128c4762a1bSJed Brown Tao tao 129c4762a1bSJed Brown Vec x,f 130c4762a1bSJed Brown PetscErrorCode ierr 131c4762a1bSJed Brown 132c4762a1bSJed Brown PetscInt i,checkedin 133c4762a1bSJed Brown PetscInt finished_tasks 134c4762a1bSJed Brown integer next_task 135c4762a1bSJed Brown PetscMPIInt status(MPI_STATUS_SIZE),tag,source 136c4762a1bSJed Brown PetscInt dummy 137c4762a1bSJed Brown 138c4762a1bSJed Brown! PETSc's VecGetArray acts differently in Fortran than it does in C. 139c4762a1bSJed Brown! Calling VecGetArray((Vec) X, (PetscReal) x_array(0:1), (PetscOffset) x_index, ierr) 140c4762a1bSJed Brown! will return an array of doubles referenced by x_array offset by x_index. 141c4762a1bSJed Brown! i.e., to reference the kth element of X, use x_array(k + x_index). 142c4762a1bSJed Brown! Notice that by declaring the arrays with range (0:1), we are using the C 0-indexing practice. 143*17a42bb7SSatish Balay PetscReal f_v(0:1),x_v(0:1),fval(1) 144c4762a1bSJed Brown PetscOffset f_i,x_i 145c4762a1bSJed Brown 146c4762a1bSJed Brown ierr = 0 147c4762a1bSJed Brown 148c4762a1bSJed Brown! Get pointers to vector data 149c4762a1bSJed Brown call VecGetArray(x,x_v,x_i,ierr) 150c4762a1bSJed Brown CHKERRQ(ierr) 151c4762a1bSJed Brown call VecGetArray(f,f_v,f_i,ierr) 152c4762a1bSJed Brown CHKERRQ(ierr) 153c4762a1bSJed Brown 154c4762a1bSJed Brown 155c4762a1bSJed Brown! Compute F(X) 156c4762a1bSJed Brown if (size .eq. 1) then 157c4762a1bSJed Brown ! Single processor 158c4762a1bSJed Brown do i=0,m-1 159c4762a1bSJed Brown call RunSimulation(x_v(x_i),i,f_v(i+f_i),ierr) 160c4762a1bSJed Brown enddo 161c4762a1bSJed Brown else 162c4762a1bSJed Brown ! Multiprocessor master 163c4762a1bSJed Brown next_task = 0 164c4762a1bSJed Brown finished_tasks = 0 165c4762a1bSJed Brown checkedin = 0 166c4762a1bSJed Brown 167c4762a1bSJed Brown do while (finished_tasks .lt. m .or. checkedin .lt. size-1) 168c4762a1bSJed Brown call MPI_Recv(fval,1,MPIU_SCALAR,MPI_ANY_SOURCE, & 169c4762a1bSJed Brown & MPI_ANY_TAG,PETSC_COMM_WORLD,status,ierr) 170c4762a1bSJed Brown tag = status(MPI_TAG) 171c4762a1bSJed Brown source = status(MPI_SOURCE) 172c4762a1bSJed Brown if (tag .eq. IDLE_TAG) then 173c4762a1bSJed Brown checkedin = checkedin + 1 174c4762a1bSJed Brown else 175*17a42bb7SSatish Balay f_v(f_i+tag) = fval(1) 176c4762a1bSJed Brown finished_tasks = finished_tasks + 1 177c4762a1bSJed Brown endif 178c4762a1bSJed Brown if (next_task .lt. m) then 179c4762a1bSJed Brown ! Send task to worker 180cba78248SSatish Balay call MPI_Send(x_v(x_i),nn,MPIU_SCALAR,source,next_task, & 181c4762a1bSJed Brown & PETSC_COMM_WORLD,ierr) 182c4762a1bSJed Brown next_task = next_task + 1 183c4762a1bSJed Brown else 184c4762a1bSJed Brown ! Send idle message to worker 185cba78248SSatish Balay call MPI_Send(x_v(x_i),nn,MPIU_SCALAR,source,IDLE_TAG, & 186c4762a1bSJed Brown & PETSC_COMM_WORLD,ierr) 187c4762a1bSJed Brown end if 188c4762a1bSJed Brown enddo 189c4762a1bSJed Brown endif 190c4762a1bSJed Brown 191c4762a1bSJed Brown! Restore vectors 192c4762a1bSJed Brown call VecRestoreArray(x,x_v,x_i,ierr) 193c4762a1bSJed Brown CHKERRQ(ierr) 194c4762a1bSJed Brown call VecRestoreArray(F,f_v,f_i,ierr) 195c4762a1bSJed Brown CHKERRQ(ierr) 196c4762a1bSJed Brown return 197c4762a1bSJed Brown end 198c4762a1bSJed Brown 199c4762a1bSJed Brown subroutine FormStartingPoint(x) 200c4762a1bSJed Brown#include "chwirut2f.h" 201c4762a1bSJed Brown 202c4762a1bSJed Brown Vec x 203c4762a1bSJed Brown PetscReal x_v(0:1) 204c4762a1bSJed Brown PetscOffset x_i 205c4762a1bSJed Brown PetscErrorCode ierr 206c4762a1bSJed Brown 207c4762a1bSJed Brown call VecGetArray(x,x_v,x_i,ierr) 208c4762a1bSJed Brown CHKERRQ(ierr) 209c4762a1bSJed Brown x_v(x_i) = 0.15 210c4762a1bSJed Brown x_v(x_i+1) = 0.008 211c4762a1bSJed Brown x_v(x_i+2) = 0.01 212c4762a1bSJed Brown call VecRestoreArray(x,x_v,x_i,ierr) 213c4762a1bSJed Brown CHKERRQ(ierr) 214c4762a1bSJed Brown return 215c4762a1bSJed Brown end 216c4762a1bSJed Brown 217c4762a1bSJed Brown 218c4762a1bSJed Brown subroutine InitializeData() 219c4762a1bSJed Brown#include "chwirut2f.h" 220c4762a1bSJed Brown 221c4762a1bSJed Brown PetscInt i 222c4762a1bSJed Brown i=0 223c4762a1bSJed Brown y(i) = 92.9000; t(i) = 0.5000; i=i+1 224c4762a1bSJed Brown y(i) = 78.7000; t(i) = 0.6250; i=i+1 225c4762a1bSJed Brown y(i) = 64.2000; t(i) = 0.7500; i=i+1 226c4762a1bSJed Brown y(i) = 64.9000; t(i) = 0.8750; i=i+1 227c4762a1bSJed Brown y(i) = 57.1000; t(i) = 1.0000; i=i+1 228c4762a1bSJed Brown y(i) = 43.3000; t(i) = 1.2500; i=i+1 229c4762a1bSJed Brown y(i) = 31.1000; t(i) = 1.7500; i=i+1 230c4762a1bSJed Brown y(i) = 23.6000; t(i) = 2.2500; i=i+1 231c4762a1bSJed Brown y(i) = 31.0500; t(i) = 1.7500; i=i+1 232c4762a1bSJed Brown y(i) = 23.7750; t(i) = 2.2500; i=i+1 233c4762a1bSJed Brown y(i) = 17.7375; t(i) = 2.7500; i=i+1 234c4762a1bSJed Brown y(i) = 13.8000; t(i) = 3.2500; i=i+1 235c4762a1bSJed Brown y(i) = 11.5875; t(i) = 3.7500; i=i+1 236c4762a1bSJed Brown y(i) = 9.4125; t(i) = 4.2500; i=i+1 237c4762a1bSJed Brown y(i) = 7.7250; t(i) = 4.7500; i=i+1 238c4762a1bSJed Brown y(i) = 7.3500; t(i) = 5.2500; i=i+1 239c4762a1bSJed Brown y(i) = 8.0250; t(i) = 5.7500; i=i+1 240c4762a1bSJed Brown y(i) = 90.6000; t(i) = 0.5000; i=i+1 241c4762a1bSJed Brown y(i) = 76.9000; t(i) = 0.6250; i=i+1 242c4762a1bSJed Brown y(i) = 71.6000; t(i) = 0.7500; i=i+1 243c4762a1bSJed Brown y(i) = 63.6000; t(i) = 0.8750; i=i+1 244c4762a1bSJed Brown y(i) = 54.0000; t(i) = 1.0000; i=i+1 245c4762a1bSJed Brown y(i) = 39.2000; t(i) = 1.2500; i=i+1 246c4762a1bSJed Brown y(i) = 29.3000; t(i) = 1.7500; i=i+1 247c4762a1bSJed Brown y(i) = 21.4000; t(i) = 2.2500; i=i+1 248c4762a1bSJed Brown y(i) = 29.1750; t(i) = 1.7500; i=i+1 249c4762a1bSJed Brown y(i) = 22.1250; t(i) = 2.2500; i=i+1 250c4762a1bSJed Brown y(i) = 17.5125; t(i) = 2.7500; i=i+1 251c4762a1bSJed Brown y(i) = 14.2500; t(i) = 3.2500; i=i+1 252c4762a1bSJed Brown y(i) = 9.4500; t(i) = 3.7500; i=i+1 253c4762a1bSJed Brown y(i) = 9.1500; t(i) = 4.2500; i=i+1 254c4762a1bSJed Brown y(i) = 7.9125; t(i) = 4.7500; i=i+1 255c4762a1bSJed Brown y(i) = 8.4750; t(i) = 5.2500; i=i+1 256c4762a1bSJed Brown y(i) = 6.1125; t(i) = 5.7500; i=i+1 257c4762a1bSJed Brown y(i) = 80.0000; t(i) = 0.5000; i=i+1 258c4762a1bSJed Brown y(i) = 79.0000; t(i) = 0.6250; i=i+1 259c4762a1bSJed Brown y(i) = 63.8000; t(i) = 0.7500; i=i+1 260c4762a1bSJed Brown y(i) = 57.2000; t(i) = 0.8750; i=i+1 261c4762a1bSJed Brown y(i) = 53.2000; t(i) = 1.0000; i=i+1 262c4762a1bSJed Brown y(i) = 42.5000; t(i) = 1.2500; i=i+1 263c4762a1bSJed Brown y(i) = 26.8000; t(i) = 1.7500; i=i+1 264c4762a1bSJed Brown y(i) = 20.4000; t(i) = 2.2500; i=i+1 265c4762a1bSJed Brown y(i) = 26.8500; t(i) = 1.7500; i=i+1 266c4762a1bSJed Brown y(i) = 21.0000; t(i) = 2.2500; i=i+1 267c4762a1bSJed Brown y(i) = 16.4625; t(i) = 2.7500; i=i+1 268c4762a1bSJed Brown y(i) = 12.5250; t(i) = 3.2500; i=i+1 269c4762a1bSJed Brown y(i) = 10.5375; t(i) = 3.7500; i=i+1 270c4762a1bSJed Brown y(i) = 8.5875; t(i) = 4.2500; i=i+1 271c4762a1bSJed Brown y(i) = 7.1250; t(i) = 4.7500; i=i+1 272c4762a1bSJed Brown y(i) = 6.1125; t(i) = 5.2500; i=i+1 273c4762a1bSJed Brown y(i) = 5.9625; t(i) = 5.7500; i=i+1 274c4762a1bSJed Brown y(i) = 74.1000; t(i) = 0.5000; i=i+1 275c4762a1bSJed Brown y(i) = 67.3000; t(i) = 0.6250; i=i+1 276c4762a1bSJed Brown y(i) = 60.8000; t(i) = 0.7500; i=i+1 277c4762a1bSJed Brown y(i) = 55.5000; t(i) = 0.8750; i=i+1 278c4762a1bSJed Brown y(i) = 50.3000; t(i) = 1.0000; i=i+1 279c4762a1bSJed Brown y(i) = 41.0000; t(i) = 1.2500; i=i+1 280c4762a1bSJed Brown y(i) = 29.4000; t(i) = 1.7500; i=i+1 281c4762a1bSJed Brown y(i) = 20.4000; t(i) = 2.2500; i=i+1 282c4762a1bSJed Brown y(i) = 29.3625; t(i) = 1.7500; i=i+1 283c4762a1bSJed Brown y(i) = 21.1500; t(i) = 2.2500; i=i+1 284c4762a1bSJed Brown y(i) = 16.7625; t(i) = 2.7500; i=i+1 285c4762a1bSJed Brown y(i) = 13.2000; t(i) = 3.2500; i=i+1 286c4762a1bSJed Brown y(i) = 10.8750; t(i) = 3.7500; i=i+1 287c4762a1bSJed Brown y(i) = 8.1750; t(i) = 4.2500; i=i+1 288c4762a1bSJed Brown y(i) = 7.3500; t(i) = 4.7500; i=i+1 289c4762a1bSJed Brown y(i) = 5.9625; t(i) = 5.2500; i=i+1 290c4762a1bSJed Brown y(i) = 5.6250; t(i) = 5.7500; i=i+1 291c4762a1bSJed Brown y(i) = 81.5000; t(i) = .5000; i=i+1 292c4762a1bSJed Brown y(i) = 62.4000; t(i) = .7500; i=i+1 293c4762a1bSJed Brown y(i) = 32.5000; t(i) = 1.5000; i=i+1 294c4762a1bSJed Brown y(i) = 12.4100; t(i) = 3.0000; i=i+1 295c4762a1bSJed Brown y(i) = 13.1200; t(i) = 3.0000; i=i+1 296c4762a1bSJed Brown y(i) = 15.5600; t(i) = 3.0000; i=i+1 297c4762a1bSJed Brown y(i) = 5.6300; t(i) = 6.0000; i=i+1 298c4762a1bSJed Brown y(i) = 78.0000; t(i) = .5000; i=i+1 299c4762a1bSJed Brown y(i) = 59.9000; t(i) = .7500; i=i+1 300c4762a1bSJed Brown y(i) = 33.2000; t(i) = 1.5000; i=i+1 301c4762a1bSJed Brown y(i) = 13.8400; t(i) = 3.0000; i=i+1 302c4762a1bSJed Brown y(i) = 12.7500; t(i) = 3.0000; i=i+1 303c4762a1bSJed Brown y(i) = 14.6200; t(i) = 3.0000; i=i+1 304c4762a1bSJed Brown y(i) = 3.9400; t(i) = 6.0000; i=i+1 305c4762a1bSJed Brown y(i) = 76.8000; t(i) = .5000; i=i+1 306c4762a1bSJed Brown y(i) = 61.0000; t(i) = .7500; i=i+1 307c4762a1bSJed Brown y(i) = 32.9000; t(i) = 1.5000; i=i+1 308c4762a1bSJed Brown y(i) = 13.8700; t(i) = 3.0000; i=i+1 309c4762a1bSJed Brown y(i) = 11.8100; t(i) = 3.0000; i=i+1 310c4762a1bSJed Brown y(i) = 13.3100; t(i) = 3.0000; i=i+1 311c4762a1bSJed Brown y(i) = 5.4400; t(i) = 6.0000; i=i+1 312c4762a1bSJed Brown y(i) = 78.0000; t(i) = .5000; i=i+1 313c4762a1bSJed Brown y(i) = 63.5000; t(i) = .7500; i=i+1 314c4762a1bSJed Brown y(i) = 33.8000; t(i) = 1.5000; i=i+1 315c4762a1bSJed Brown y(i) = 12.5600; t(i) = 3.0000; i=i+1 316c4762a1bSJed Brown y(i) = 5.6300; t(i) = 6.0000; i=i+1 317c4762a1bSJed Brown y(i) = 12.7500; t(i) = 3.0000; i=i+1 318c4762a1bSJed Brown y(i) = 13.1200; t(i) = 3.0000; i=i+1 319c4762a1bSJed Brown y(i) = 5.4400; t(i) = 6.0000; i=i+1 320c4762a1bSJed Brown y(i) = 76.8000; t(i) = .5000; i=i+1 321c4762a1bSJed Brown y(i) = 60.0000; t(i) = .7500; i=i+1 322c4762a1bSJed Brown y(i) = 47.8000; t(i) = 1.0000; i=i+1 323c4762a1bSJed Brown y(i) = 32.0000; t(i) = 1.5000; i=i+1 324c4762a1bSJed Brown y(i) = 22.2000; t(i) = 2.0000; i=i+1 325c4762a1bSJed Brown y(i) = 22.5700; t(i) = 2.0000; i=i+1 326c4762a1bSJed Brown y(i) = 18.8200; t(i) = 2.5000; i=i+1 327c4762a1bSJed Brown y(i) = 13.9500; t(i) = 3.0000; i=i+1 328c4762a1bSJed Brown y(i) = 11.2500; t(i) = 4.0000; i=i+1 329c4762a1bSJed Brown y(i) = 9.0000; t(i) = 5.0000; i=i+1 330c4762a1bSJed Brown y(i) = 6.6700; t(i) = 6.0000; i=i+1 331c4762a1bSJed Brown y(i) = 75.8000; t(i) = .5000; i=i+1 332c4762a1bSJed Brown y(i) = 62.0000; t(i) = .7500; i=i+1 333c4762a1bSJed Brown y(i) = 48.8000; t(i) = 1.0000; i=i+1 334c4762a1bSJed Brown y(i) = 35.2000; t(i) = 1.5000; i=i+1 335c4762a1bSJed Brown y(i) = 20.0000; t(i) = 2.0000; i=i+1 336c4762a1bSJed Brown y(i) = 20.3200; t(i) = 2.0000; i=i+1 337c4762a1bSJed Brown y(i) = 19.3100; t(i) = 2.5000; i=i+1 338c4762a1bSJed Brown y(i) = 12.7500; t(i) = 3.0000; i=i+1 339c4762a1bSJed Brown y(i) = 10.4200; t(i) = 4.0000; i=i+1 340c4762a1bSJed Brown y(i) = 7.3100; t(i) = 5.0000; i=i+1 341c4762a1bSJed Brown y(i) = 7.4200; t(i) = 6.0000; i=i+1 342c4762a1bSJed Brown y(i) = 70.5000; t(i) = .5000; i=i+1 343c4762a1bSJed Brown y(i) = 59.5000; t(i) = .7500; i=i+1 344c4762a1bSJed Brown y(i) = 48.5000; t(i) = 1.0000; i=i+1 345c4762a1bSJed Brown y(i) = 35.8000; t(i) = 1.5000; i=i+1 346c4762a1bSJed Brown y(i) = 21.0000; t(i) = 2.0000; i=i+1 347c4762a1bSJed Brown y(i) = 21.6700; t(i) = 2.0000; i=i+1 348c4762a1bSJed Brown y(i) = 21.0000; t(i) = 2.5000; i=i+1 349c4762a1bSJed Brown y(i) = 15.6400; t(i) = 3.0000; i=i+1 350c4762a1bSJed Brown y(i) = 8.1700; t(i) = 4.0000; i=i+1 351c4762a1bSJed Brown y(i) = 8.5500; t(i) = 5.0000; i=i+1 352c4762a1bSJed Brown y(i) = 10.1200; t(i) = 6.0000; i=i+1 353c4762a1bSJed Brown y(i) = 78.0000; t(i) = .5000; i=i+1 354c4762a1bSJed Brown y(i) = 66.0000; t(i) = .6250; i=i+1 355c4762a1bSJed Brown y(i) = 62.0000; t(i) = .7500; i=i+1 356c4762a1bSJed Brown y(i) = 58.0000; t(i) = .8750; i=i+1 357c4762a1bSJed Brown y(i) = 47.7000; t(i) = 1.0000; i=i+1 358c4762a1bSJed Brown y(i) = 37.8000; t(i) = 1.2500; i=i+1 359c4762a1bSJed Brown y(i) = 20.2000; t(i) = 2.2500; i=i+1 360c4762a1bSJed Brown y(i) = 21.0700; t(i) = 2.2500; i=i+1 361c4762a1bSJed Brown y(i) = 13.8700; t(i) = 2.7500; i=i+1 362c4762a1bSJed Brown y(i) = 9.6700; t(i) = 3.2500; i=i+1 363c4762a1bSJed Brown y(i) = 7.7600; t(i) = 3.7500; i=i+1 364c4762a1bSJed Brown y(i) = 5.4400; t(i) = 4.2500; i=i+1 365c4762a1bSJed Brown y(i) = 4.8700; t(i) = 4.7500; i=i+1 366c4762a1bSJed Brown y(i) = 4.0100; t(i) = 5.2500; i=i+1 367c4762a1bSJed Brown y(i) = 3.7500; t(i) = 5.7500; i=i+1 368c4762a1bSJed Brown y(i) = 24.1900; t(i) = 3.0000; i=i+1 369c4762a1bSJed Brown y(i) = 25.7600; t(i) = 3.0000; i=i+1 370c4762a1bSJed Brown y(i) = 18.0700; t(i) = 3.0000; i=i+1 371c4762a1bSJed Brown y(i) = 11.8100; t(i) = 3.0000; i=i+1 372c4762a1bSJed Brown y(i) = 12.0700; t(i) = 3.0000; i=i+1 373c4762a1bSJed Brown y(i) = 16.1200; t(i) = 3.0000; i=i+1 374c4762a1bSJed Brown y(i) = 70.8000; t(i) = .5000; i=i+1 375c4762a1bSJed Brown y(i) = 54.7000; t(i) = .7500; i=i+1 376c4762a1bSJed Brown y(i) = 48.0000; t(i) = 1.0000; i=i+1 377c4762a1bSJed Brown y(i) = 39.8000; t(i) = 1.5000; i=i+1 378c4762a1bSJed Brown y(i) = 29.8000; t(i) = 2.0000; i=i+1 379c4762a1bSJed Brown y(i) = 23.7000; t(i) = 2.5000; i=i+1 380c4762a1bSJed Brown y(i) = 29.6200; t(i) = 2.0000; i=i+1 381c4762a1bSJed Brown y(i) = 23.8100; t(i) = 2.5000; i=i+1 382c4762a1bSJed Brown y(i) = 17.7000; t(i) = 3.0000; i=i+1 383c4762a1bSJed Brown y(i) = 11.5500; t(i) = 4.0000; i=i+1 384c4762a1bSJed Brown y(i) = 12.0700; t(i) = 5.0000; i=i+1 385c4762a1bSJed Brown y(i) = 8.7400; t(i) = 6.0000; i=i+1 386c4762a1bSJed Brown y(i) = 80.7000; t(i) = .5000; i=i+1 387c4762a1bSJed Brown y(i) = 61.3000; t(i) = .7500; i=i+1 388c4762a1bSJed Brown y(i) = 47.5000; t(i) = 1.0000; i=i+1 389c4762a1bSJed Brown y(i) = 29.0000; t(i) = 1.5000; i=i+1 390c4762a1bSJed Brown y(i) = 24.0000; t(i) = 2.0000; i=i+1 391c4762a1bSJed Brown y(i) = 17.7000; t(i) = 2.5000; i=i+1 392c4762a1bSJed Brown y(i) = 24.5600; t(i) = 2.0000; i=i+1 393c4762a1bSJed Brown y(i) = 18.6700; t(i) = 2.5000; i=i+1 394c4762a1bSJed Brown y(i) = 16.2400; t(i) = 3.0000; i=i+1 395c4762a1bSJed Brown y(i) = 8.7400; t(i) = 4.0000; i=i+1 396c4762a1bSJed Brown y(i) = 7.8700; t(i) = 5.0000; i=i+1 397c4762a1bSJed Brown y(i) = 8.5100; t(i) = 6.0000; i=i+1 398c4762a1bSJed Brown y(i) = 66.7000; t(i) = .5000; i=i+1 399c4762a1bSJed Brown y(i) = 59.2000; t(i) = .7500; i=i+1 400c4762a1bSJed Brown y(i) = 40.8000; t(i) = 1.0000; i=i+1 401c4762a1bSJed Brown y(i) = 30.7000; t(i) = 1.5000; i=i+1 402c4762a1bSJed Brown y(i) = 25.7000; t(i) = 2.0000; i=i+1 403c4762a1bSJed Brown y(i) = 16.3000; t(i) = 2.5000; i=i+1 404c4762a1bSJed Brown y(i) = 25.9900; t(i) = 2.0000; i=i+1 405c4762a1bSJed Brown y(i) = 16.9500; t(i) = 2.5000; i=i+1 406c4762a1bSJed Brown y(i) = 13.3500; t(i) = 3.0000; i=i+1 407c4762a1bSJed Brown y(i) = 8.6200; t(i) = 4.0000; i=i+1 408c4762a1bSJed Brown y(i) = 7.2000; t(i) = 5.0000; i=i+1 409c4762a1bSJed Brown y(i) = 6.6400; t(i) = 6.0000; i=i+1 410c4762a1bSJed Brown y(i) = 13.6900; t(i) = 3.0000; i=i+1 411c4762a1bSJed Brown y(i) = 81.0000; t(i) = .5000; i=i+1 412c4762a1bSJed Brown y(i) = 64.5000; t(i) = .7500; i=i+1 413c4762a1bSJed Brown y(i) = 35.5000; t(i) = 1.5000; i=i+1 414c4762a1bSJed Brown y(i) = 13.3100; t(i) = 3.0000; i=i+1 415c4762a1bSJed Brown y(i) = 4.8700; t(i) = 6.0000; i=i+1 416c4762a1bSJed Brown y(i) = 12.9400; t(i) = 3.0000; i=i+1 417c4762a1bSJed Brown y(i) = 5.0600; t(i) = 6.0000; i=i+1 418c4762a1bSJed Brown y(i) = 15.1900; t(i) = 3.0000; i=i+1 419c4762a1bSJed Brown y(i) = 14.6200; t(i) = 3.0000; i=i+1 420c4762a1bSJed Brown y(i) = 15.6400; t(i) = 3.0000; i=i+1 421c4762a1bSJed Brown y(i) = 25.5000; t(i) = 1.7500; i=i+1 422c4762a1bSJed Brown y(i) = 25.9500; t(i) = 1.7500; i=i+1 423c4762a1bSJed Brown y(i) = 81.7000; t(i) = .5000; i=i+1 424c4762a1bSJed Brown y(i) = 61.6000; t(i) = .7500; i=i+1 425c4762a1bSJed Brown y(i) = 29.8000; t(i) = 1.7500; i=i+1 426c4762a1bSJed Brown y(i) = 29.8100; t(i) = 1.7500; i=i+1 427c4762a1bSJed Brown y(i) = 17.1700; t(i) = 2.7500; i=i+1 428c4762a1bSJed Brown y(i) = 10.3900; t(i) = 3.7500; i=i+1 429c4762a1bSJed Brown y(i) = 28.4000; t(i) = 1.7500; i=i+1 430c4762a1bSJed Brown y(i) = 28.6900; t(i) = 1.7500; i=i+1 431c4762a1bSJed Brown y(i) = 81.3000; t(i) = .5000; i=i+1 432c4762a1bSJed Brown y(i) = 60.9000; t(i) = .7500; i=i+1 433c4762a1bSJed Brown y(i) = 16.6500; t(i) = 2.7500; i=i+1 434c4762a1bSJed Brown y(i) = 10.0500; t(i) = 3.7500; i=i+1 435c4762a1bSJed Brown y(i) = 28.9000; t(i) = 1.7500; i=i+1 436c4762a1bSJed Brown y(i) = 28.9500; t(i) = 1.7500; i=i+1 437c4762a1bSJed Brown 438c4762a1bSJed Brown return 439c4762a1bSJed Brown end 440c4762a1bSJed Brown 441c4762a1bSJed Brown 442c4762a1bSJed Brown 443c4762a1bSJed Brown subroutine TaskWorker(ierr) 444c4762a1bSJed Brown#include "chwirut2f.h" 445c4762a1bSJed Brown 446c4762a1bSJed Brown PetscErrorCode ierr 447*17a42bb7SSatish Balay PetscReal x(n),f(1) 448c4762a1bSJed Brown PetscMPIInt tag 449c4762a1bSJed Brown PetscInt index 450c4762a1bSJed Brown PetscMPIInt status(MPI_STATUS_SIZE) 451c4762a1bSJed Brown 452c4762a1bSJed Brown tag = IDLE_TAG 453c4762a1bSJed Brown f = 0.0 454c4762a1bSJed Brown ! Send check-in message to master 455c4762a1bSJed Brown call MPI_Send(f,1,MPIU_SCALAR,0,IDLE_TAG,PETSC_COMM_WORLD,ierr) 456c4762a1bSJed Brown CHKERRQ(ierr) 457c4762a1bSJed Brown do while (tag .ne. DIE_TAG) 458cba78248SSatish Balay call MPI_Recv(x,nn,MPIU_SCALAR,0,MPI_ANY_TAG,PETSC_COMM_WORLD, & 459c4762a1bSJed Brown & status,ierr) 460c4762a1bSJed Brown CHKERRQ(ierr) 461c4762a1bSJed Brown tag = status(MPI_TAG) 462c4762a1bSJed Brown if (tag .eq. IDLE_TAG) then 463c4762a1bSJed Brown call MPI_Send(f,1,MPIU_SCALAR,0,IDLE_TAG,PETSC_COMM_WORLD, & 464c4762a1bSJed Brown & ierr) 465c4762a1bSJed Brown CHKERRQ(ierr) 466c4762a1bSJed Brown else if (tag .ne. DIE_TAG) then 467c4762a1bSJed Brown index = tag 468c4762a1bSJed Brown ! Compute local part of residual 469*17a42bb7SSatish Balay call RunSimulation(x,index,f(1),ierr) 470c4762a1bSJed Brown CHKERRQ(ierr) 471c4762a1bSJed Brown 472c4762a1bSJed Brown ! Return residual to master 473c4762a1bSJed Brown call MPI_Send(f,1,MPIU_SCALAR,0,tag,PETSC_COMM_WORLD,ierr) 474c4762a1bSJed Brown CHKERRQ(ierr) 475c4762a1bSJed Brown end if 476c4762a1bSJed Brown enddo 477c4762a1bSJed Brown ierr = 0 478c4762a1bSJed Brown return 479c4762a1bSJed Brown end 480c4762a1bSJed Brown 481c4762a1bSJed Brown 482c4762a1bSJed Brown 483c4762a1bSJed Brown subroutine RunSimulation(x,i,f,ierr) 484c4762a1bSJed Brown#include "chwirut2f.h" 485c4762a1bSJed Brown 486c4762a1bSJed Brown PetscReal x(n),f 487c4762a1bSJed Brown PetscInt i 488c4762a1bSJed Brown PetscErrorCode ierr 489c4762a1bSJed Brown f = y(i) - exp(-x(1)*t(i))/(x(2)+x(3)*t(i)) 490c4762a1bSJed Brown ierr = 0 491c4762a1bSJed Brown return 492c4762a1bSJed Brown end 493c4762a1bSJed Brown 494c4762a1bSJed Brown subroutine StopWorkers(ierr) 495c4762a1bSJed Brown#include "chwirut2f.h" 496c4762a1bSJed Brown 497c4762a1bSJed Brown integer checkedin 498c4762a1bSJed Brown PetscMPIInt status(MPI_STATUS_SIZE) 499c4762a1bSJed Brown PetscMPIInt source 500*17a42bb7SSatish Balay PetscReal f(1),x(n) 501c4762a1bSJed Brown PetscErrorCode ierr 502c4762a1bSJed Brown PetscInt i 503c4762a1bSJed Brown 504c4762a1bSJed Brown checkedin=0 505c4762a1bSJed Brown do while (checkedin .lt. size-1) 506c4762a1bSJed Brown call MPI_Recv(f,1,MPIU_SCALAR,MPI_ANY_SOURCE,MPI_ANY_TAG, & 507c4762a1bSJed Brown & PETSC_COMM_WORLD,status,ierr) 508c4762a1bSJed Brown CHKERRQ(ierr) 509c4762a1bSJed Brown checkedin=checkedin+1 510c4762a1bSJed Brown source = status(MPI_SOURCE) 511c4762a1bSJed Brown do i=1,n 512c4762a1bSJed Brown x(i) = 0.0 513c4762a1bSJed Brown enddo 514cba78248SSatish Balay call MPI_Send(x,nn,MPIU_SCALAR,source,DIE_TAG,PETSC_COMM_WORLD, & 515c4762a1bSJed Brown & ierr) 516c4762a1bSJed Brown CHKERRQ(ierr) 517c4762a1bSJed Brown enddo 518c4762a1bSJed Brown ierr=0 519c4762a1bSJed Brown return 520c4762a1bSJed Brown end 521c4762a1bSJed Brown 522c4762a1bSJed Brown!/*TEST 523c4762a1bSJed Brown! 524c4762a1bSJed Brown! build: 525c4762a1bSJed Brown! requires: !complex 526c4762a1bSJed Brown! 527c4762a1bSJed Brown! test: 528c4762a1bSJed Brown! nsize: 3 529c4762a1bSJed Brown! args: -tao_smonitor -tao_max_it 100 -tao_type pounders -tao_gatol 1.e-5 530c4762a1bSJed Brown! requires: !single 531c4762a1bSJed Brown! 532c4762a1bSJed Brown! 533c4762a1bSJed Brown!TEST*/ 534