<div dir="ltr"><div><br></div><div>Hey!<br><br>I am using PETSc in a Fortran code and we use MPI parallelization. We would like to use GPU parallelization, but we are encountering an error.<br></div><div><br></div><div>PETSc is configured as follows:<br></div><div>#!/bin/bash<br>./configure \<br> --prefix=${PWD}/installdir \<br> --with-fortran \<br> --with-fortran-kernels=true \<br> --with-cuda \<br> --download-fblaslapack \<br> --with-scalar-type=complex \<br> --with-precision=double \<br> --with-debugging=yes \<br> --with-x=0 \<br> --with-gnu-compilers=1 \<br> --with-cc=mpicc \<br> --with-cxx=mpicxx \<br> --with-fc=mpif90 \<br> --with-make-exec=make<br></div><div><br></div><div>Within my code, matrices and vectors are allocated with the following commands:<br></div><div>PetscCallA( DMDACreate3d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, l+1, m+1, nzn, PETSC_DECIDE, PETSC_DECIDE, PETSC_DECIDE, i3, i1, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, da, ierr) )<br><br>PetscCallA( DMSetUp(da,ierr) )<br><br>PetscCallA( DMCreateGlobalVector(da,b,ierr) )<br>PetscCallA( VecDuplicate(b,xsol,ierr) )<br>PetscCallA( VecDuplicate(b,src,ierr) )<br>PetscCallA( VecDuplicate(b,rhoxyz,ierr) )<br><br>PetscCallA( DMCreateLocalVector(da,localx,ierr) )<br>PetscCallA( VecDuplicate(localx,localb,ierr) )<br>PetscCallA( VecDuplicate(localx,localsrc,ierr) )<br>PetscCallA( VecDuplicate(localx,lrhoxyz,ierr) )<br><br>PetscCallA( VecGetLocalSize(xsol,mloc,ierr) )<br><br>ngrow=3*(l+1)*(m+1)*nzn<br>      <br>PetscCallA( MatCreate(PETSC_COMM_WORLD,A,ierr) )<br>PetscCallA( MatSetOptionsPrefix(A,'A_',ierr) )<br>PetscCallA( MatSetSizes(A,mloc,mloc,ngrow,ngrow,ierr) )<br>PetscCallA( MatSetFromOptions(A,ierr) )<br>PetscCallA( MatSeqAIJSetPreallocation(A,i15,PETSC_NULL_INTEGER,ierr) )<br>PetscCallA( MatSeqBAIJSetPreallocation(A, i3, i15, PETSC_NULL_INTEGER, ierr) )<br><br>PetscCallA( MatMPIAIJSetPreallocation(A, i15, PETSC_NULL_INTEGER, i15, PETSC_NULL_INTEGER, ierr) )<br><br>PetscCallA( MatMPIBAIJSetPreallocation(A, i3, i15, PETSC_NULL_INTEGER, i15, PETSC_NULL_INTEGER, ierr) )<br><br>PetscCallA( MatCreate(PETSC_COMM_WORLD, P, ierr) )<br>PetscCallA( MatSetOptionsPrefix(P, 'P_', ierr) )<br>PetscCallA( MatSetSizes(P, mloc, mloc, ngrow, ngrow, ierr) )<br>PetscCallA( MatSetFromOptions(P, ierr) )<br>PetscCallA( MatSeqAIJSetPreallocation(P, i15, PETSC_NULL_INTEGER, ierr) )<br>PetscCallA( MatSeqBAIJSetPreallocation(P, i3, i15, PETSC_NULL_INTEGER, ierr) )<br><br>PetscCallA( MatMPIAIJSetPreallocation(P, i15, PETSC_NULL_INTEGER, i15, PETSC_NULL_INTEGER, ierr) )<br>PetscCallA( MatMPIBAIJSetPreallocation(P, i3, i15, PETSC_NULL_INTEGER, i15, PETSC_NULL_INTEGER, ierr) )<br><br>PetscCallA( DMDAGetInfo(da, PETSC_NULL_INTEGER, mx, my, mz, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER, PETSC_NULL_INTEGER,PETSC_NULL_INTEGER,PETSC_NULL_INTEGER,PETSC_NULL_INTEGER,ierr) )<br>PetscCallA( DMDAGetCorners(da,xs,ys,zs,xm,ym,zm,ierr) )<br>PetscCallA( DMDAGetGhostCorners(da,gxs,gys,gzs,gxm,gym,gzm,ierr) )<br></div><div><br></div><div>PetscCallA( DMLocalToGlobal(da,localsrc,INSERT_VALUES,src,ierr) )<br>PetscCallA( DMGlobalToLocalBegin(da, src, INSERT_VALUES, localsrc, ierr) )<br>PetscCallA( DMGlobalToLocalEnd(da,src,INSERT_VALUES,localsrc,ierr) )<br></div><div>PetscCallA( DMLocalToGlobal(da,localb,INSERT_VALUES,b,ierr) )<br></div><div><br></div><div>When calling the solver function<br></div><div>PetscCallA( KSPSolve(ksp,b,xsol,ierr) )<br></div>the following error occurs:<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><pre class="gmail-code gmail-highlight" lang="plaintext"><span id="gmail-LC1" class="gmail-line" lang="plaintext">[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</span>
<span id="gmail-LC2" class="gmail-line" lang="plaintext">[0]PETSC ERROR: Invalid argument</span>
<span id="gmail-LC3" class="gmail-line" lang="plaintext">[0]PETSC ERROR: Object (seq) is not seqcuda or mpicuda</span>
<span id="gmail-LC4" class="gmail-line" lang="plaintext">[0]PETSC ERROR: WARNING! There are option(s) set that were not used! Could be the program crashed before they were used or a spelling mistake, etc!</span>
<span id="gmail-LC5" class="gmail-line" lang="plaintext">[0]PETSC ERROR: Option left: name:-vec_type value: cuda</span>
<span id="gmail-LC6" class="gmail-line" lang="plaintext">[0]PETSC ERROR: See <a href="https://petsc.org/release/faq/">https://petsc.org/release/faq/</a> for trouble shooting.</span>
<span id="gmail-LC7" class="gmail-line" lang="plaintext">[0]PETSC ERROR: Petsc Release Version 3.18.4, unknown </span>
</pre></div><div>The code is executed with the following flags:<br></div><div>./${executable} \<br> -A_mat_type aijcusparse \<br> -P_mat_type aijcusparse \<br> -vec_type cuda \<br> -use_gpu_aware_mpi 0 \<br> -em_ksp_monitor_true_residual \<br> -em_ksp_type bcgs \<br> -em_pc_type bjacobi \<br> -em_sub_pc_type ilu \<br> -em_sub_pc_factor_levels 3 \<br> -em_sub_pc_factor_fill 6 \<br> < ./Parameters.inp \<br></div><div><br></div><div>I've already tested using mpiaijcusparse for matrix and mpicuda for vector and the error continues.<br><br>Would anyone have an idea what I might be doing wrong?<br><br>Sincerely,</div><div dir="ltr">Ramoni Z. S. Azevedo</div><div dir="ltr"><br></div></div></div></div></div></div></div>