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Bug 3570274 and 3570274: Check Unified Memory is supported or not for executing Unified Memory samples

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This commit is contained in:
Shawn Zeng 2026-03-03 12:15:15 +08:00
parent 191900a7b4
commit 5cf83b5a98
1 changed files with 11 additions and 1 deletions
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12
Samples/6_Performance/UnifiedMemoryPerf/matrixMultiplyPerf.cu
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@ -664,7 +664,17 @@ int main(int argc, char **argv)
verboseResults = 1; verboseResults = 1;
} }
int device_id = findCudaDevice(argc, (const char **)argv); // set device
cudaDeviceProp device_prop;
int device_id = findCudaDevice(argc, (const char **)argv);
checkCudaErrors(cudaGetDeviceProperties(&device_prop, device_id));
if (!device_prop.managedMemory) {
// This samples requires being run on a device that supports Unified Memory
fprintf(stderr, "Unified Memory not supported on this device\n");
exit(EXIT_WAIVED);
}
matrixMultiplyPerfRunner(reportAsBandwidth, print_launch_transfer_results, print_std_deviation, device_id); matrixMultiplyPerfRunner(reportAsBandwidth, print_launch_transfer_results, print_std_deviation, device_id);