OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2024-12-22 15:33:29 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #5705 from akva2/fix_div_by_zero_no_gpus

Browse Source 
fixed: division by zero if no gpu device was found
This commit is contained in:
Bård Skaflestad 2024-11-01 13:09:24 +01:00 committed by GitHub
commit fadc96da44
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
opm/simulators/linalg/gpuistl/device_management.cpp
View File

@ -37,7 +37,7 @@ namespace Opm::gpuistl {
into problems with this code when using multiple MPI ranks.
The simulation might hang because the integrated GPU in the CPU
is detected has Radeon compute units, but it does not support ROCM.
This is fixable my making only the GPUS on your system visible with
This is fixable by making only the GPUS on your system visible with
ROCR_VISIBLE_DEVICES environment variable.
*/
void printDevice()
@ -51,22 +51,23 @@ namespace Opm::gpuistl {
int deviceCount = -1;
OPM_GPU_WARN_IF_ERROR(cudaGetDeviceCount(&deviceCount));
const auto deviceId = mpiRank % deviceCount;
struct cudaDeviceProp props;
OPM_GPU_WARN_IF_ERROR(cudaGetDeviceProperties(&props, deviceId));
std::string out;
out = fmt::format("rank: {}, GPU: {}, Compute Capability: {}.{} (device {} out of {})\n",
mpiRank, props.name, props.major, props.minor, deviceId, deviceCount);
auto deferred_logger = ::Opm::DeferredLogger();
deferred_logger.info(out);
if (deviceCount > 0) {
const auto deviceId = mpiRank % deviceCount;
struct cudaDeviceProp props;
OPM_GPU_WARN_IF_ERROR(cudaGetDeviceProperties(&props, deviceId));
std::string out;
out = fmt::format("rank: {}, GPU: {}, Compute Capability: {}.{} (device {} out of {})\n",
mpiRank, props.name, props.major, props.minor, deviceId, deviceCount);
deferred_logger.info(out);
}
DeferredLogger global = gatherDeferredLogger(deferred_logger, FlowGenericVanguard::comm());
if (mpiRank == 0) {
global.logMessages();
}
#endif
}