8000 [SYCL][ROCm] Add ROCm to get_device_count_by_type by npmiller · Pull Request #4113 · intel/llvm · GitHub
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[SYCL][ROCm] Add ROCm to get_device_count_by_type #4113

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Merged
merged 1 commit into from
Jul 20, 2021
Merged

[SYCL][ROCm] Add ROCm to get_device_count_by_type #4113

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9 changes: 9 additions & 0 deletions sycl/tools/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,4 +31,13 @@ target_compile_definitions(get_device_count_by_type
PRIVATE
$<$<BOOL:${SYCL_BUILD_PI_CUDA}>:USE_PI_CUDA>
$<$<BOOL:${SYCL_BUILD_PI_ROCM}>:USE_PI_ROCM>
# For ROCm set the HIP define depending on the platform
$<$<AND:$<BOOL:${SYCL_BUILD_PI_ROCM}>,$<STREQUAL:${SYCL_BUILD_PI_ROCM_PLATFORM},AMD>>:__HIP_PLATFORM_AMD__>
$<$<AND:$<BOOL:${SYCL_BUILD_PI_ROCM}>,$<STREQUAL:${SYCL_BUILD_PI_ROCM_PLATFORM},NVIDIA>>:__HIP_PLATFORM_NVIDIA__>
)

if(SYCL_BUILD_PI_ROCM)
target_include_directories(get_device_count_by_type
PRIVATE
${SYCL_BUILD_PI_ROCM_INCLUDE_DIR})
endif()
51 changes: 50 additions & 1 deletion sycl/tools/get_device_count_by_type.cpp
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Expand Up @@ -20,6 +20,10 @@
#include <cuda.h>
#endif // USE_PI_CUDA

#ifdef USE_PI_ROCM
#include <hip/hip_runtime.h>
#endif // USE_PI_ROCM

#include <algorithm>
#include <cstdlib>
#include <cstring>
Expand All @@ -32,7 +36,7 @@ static const std::string help =
" Help\n"
" Example: ./get_device_count_by_type cpu opencl\n"
" Supported device types: cpu/gpu/accelerator/default/all\n"
" Supported backends: PI_CUDA/PI_OPENCL/PI_LEVEL_ZERO \n"
" Supported backends: PI_CUDA/PI_ROCM/PI_OPENCL/PI_LEVEL_ZERO \n"
" Output format: <number_of_devices>:<additional_Information>";

// Return the string with all characters translated to lower case.
Expand Down Expand Up @@ -224,6 +228,49 @@ static bool queryCUDA(cl_device_type deviceType, cl_uint &deviceCount,
#endif
}

static bool queryROCm(cl_device_type deviceType, cl_uint &deviceCount,
std::string &msg) {
deviceCount = 0u;
#ifdef USE_PI_ROCM
switch (deviceType) {
case CL_DEVICE_TYPE_DEFAULT: // Fall through.
case CL_DEVICE_TYPE_ALL: // Fall through.
case CL_DEVICE_TYPE_GPU: {
int count = 0;
hipError_t err = hipGetDeviceCount(&count);
if (err != hipSuccess || count < 0) {
msg = "ERROR: ROCm error querying device count";
return false;
}
if (count < 1) {
msg = "ERROR: ROCm no device found";
return false;
}
deviceCount = static_cast<cl_uint>(count);
#if defined(__HIP_PLATFORM_AMD__)
msg = "rocm-amd ";
#elif defined(__HIP_PLATFORM_NVIDIA__)
msg = "rocm-nvidia ";
#else
#error("Must define one of __HIP_PLATFORM_AMD__ or __HIP_PLATFORM_NVIDIA__");
#endif
msg += deviceTypeToString(deviceType);
return true;
} break;
default:
msg = "WARNING: ROCm unsupported device type ";
msg += deviceTypeToString(deviceType);
return true;
}
#else
(void)deviceType;
msg = "ERROR: ROCm not supported";
deviceCount = 0u;

return false;
#endif
}

int main(int argc, char *argv[]) {
if (argc < 3) {
std::cout << "0:ERROR: Please set a device type and backend to find"
Expand Down Expand Up @@ -264,6 +311,8 @@ int main(int argc, char *argv[]) {
querySuccess = queryLevelZero(deviceType, deviceCount, msg);
} else if (backend == "cuda" || backend == "pi_cuda") {
querySuccess = queryCUDA(deviceType, deviceCount, msg);
} else if (backend == "rocm" || backend == "pi_rocm") {
querySuccess = queryROCm(deviceType, deviceCount, msg);
} else {
msg = "ERROR: Unknown backend " + backend + "\n" + help + "\n";
}
Expand Down
0