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[SYCL][CUDA] Set the device primary context for the cuMemGetInfo call #7906

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Merged
bader merged 2 commits into from
Jan 6, 2023
Merged

[SYCL][CUDA] Set the device primary context for the cuMemGetInfo call #7906

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431b1b3
[SYCL][CUDA] Set the device primary context for the cuMemGetInfo call
Jan 3, 2023
5c8281f
Update sycl/plugins/cuda/pi_cuda.cpp
zjin-lcf Jan 4, 2023
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4 changes: 4 additions & 0 deletions sycl/plugins/cuda/pi_cuda.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1931,11 +1931,15 @@ pi_result cuda_piDeviceGetInfo(pi_device device, pi_device_info param_name,
}

case PI_EXT_INTEL_DEVICE_INFO_FREE_MEMORY: {
CUcontext primary_context;
PI_CHECK_ERROR(cuDevicePrimaryCtxRetain(&primary_context, device->get()));
PI_CHECK_ERROR(cuCtxSetCurrent(primary_context));
size_t FreeMemory = 0;
size_t TotalMemory = 0;
sycl::detail::pi::assertion(cuMemGetInfo(&FreeMemory, &TotalMemory) ==
CUDA_SUCCESS,
"failed cuMemGetInfo() API.");
PI_CHECK_ERROR(cuDevicePrimaryCtxRelease(device->get()));
return getInfo(param_value_size, param_value, param_value_size_ret,
FreeMemory);
}
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