Hi, Marcos Could you attach the configure.log? --Junchao Zhang
On Fri, Nov 8, 2024 at 2:19 PM Vanella, Marcos (Fed) via petsc-users < petsc-users@mcs.anl.gov> wrote: > Hi all, does anyone have experience compiling PETSc with gnu openmpi and > cross compiling with cuda nvcc on these systems? > we have access to Vista, a machine in TACC and was trying to build PETSc > with these libraries. I would need gnu openmpi to compile my code (fortran > std 2018), and would like to keep the same cpu compiler/openmpi for PETSc.I > have the following modules loaded: > > Currently Loaded Modules: > 1) ucc/1.3.0 2) ucx/1.17.0 3) cmake/3.29.5 4) xalt/3.1 5) TACC > 6) gcc/14.2.0 7) cuda/12.5 (g) 8) openmpi/5.0.5 > > Where: > g: built for GPU > > Here mpicc points to the gcc compiler, etc. When configuring PETSc in the > following form I get nvcc not working: > > $ ./configure COPTFLAGS="-O2 -g" CXXOPTFLAGS="-O2 -g" FOPTFLAGS="-O2 -g" > FCOPTFLAGS="-O2 -g" CUDAOPTFLAGS="-O2 -g" --with-debugging=1 > --with-cc=mpicc --with-cxx=mpicxx --with-fc=mpifort --with-cuda > --with-cudac=nvcc --with-cuda-arch=90 --download-fblaslapack=1 > --with-make-np=8 > > > ============================================================================================= > Configuring PETSc to compile on your system > > ============================================================================================= > TESTING: checkCUDACompiler from > config.setCompilers(config/BuildSystem/config/setCompilers.py:1541) > > ********************************************************************************************* > UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for > details): > > --------------------------------------------------------------------------------------------- > CUDA compiler you provided with -with-cudac=nvcc cannot be found or does > not work. > Cannot compile CUDA with nvcc. > > ********************************************************************************************* > > I have nvcc in my path: > > $ nvcc --version > nvcc: NVIDIA (R) Cuda compiler driver > Copyright (c) 2005-2024 NVIDIA Corporation > Built on Thu_Jun__6_02:26:10_PDT_2024 > Cuda compilation tools, release 12.5, V12.5.82 > Build cuda_12.5.r12.5/compiler.34385749_0 > > I remember being able to do this cross compilation in polaris. Any help is > most appreciated, > Marcos >
