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[Backport branch/3.0.x] Switch cuCtxCreate to cuDevicePrimaryCtxRetain in cub and libcu++ tests #4801

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Merged
wmaxey merged 1 commit into from
May 23, 2025
Merged

[Backport branch/3.0.x] Switch cuCtxCreate to cuDevicePrimaryCtxRetain in cub and libcu++ tests #4801

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5 changes: 3 additions & 2 deletions cub/test/catch2_test_nvrtc.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -322,7 +322,8 @@ TEST_CASE("Test nvrtc", "[test][nvrtc]")

REQUIRE(CUDA_SUCCESS == cuInit(0));
REQUIRE(CUDA_SUCCESS == cuDeviceGet(&device, 0));
REQUIRE(CUDA_SUCCESS == cuCtxCreate(&context, 0, device));
REQUIRE(CUDA_SUCCESS == cuDevicePrimaryCtxRetain(&context, device));
REQUIRE(CUDA_SUCCESS == cuCtxSetCurrent(context));
REQUIRE(CUDA_SUCCESS == cuModuleLoadDataEx(&module, code.get(), 0, 0, 0));
REQUIRE(CUDA_SUCCESS == cuModuleGetFunction(&kernel, module, "kernel"));

Expand Down Expand Up @@ -365,5 +366,5 @@ TEST_CASE("Test nvrtc", "[test][nvrtc]")
REQUIRE(CUDA_SUCCESS == cuMemFree(d_ptr));
REQUIRE(CUDA_SUCCESS == cuMemFree(d_err));
REQUIRE(CUDA_SUCCESS == cuModuleUnload(module));
REQUIRE(CUDA_SUCCESS == cuCtxDestroy(context));
REQUIRE(CUDA_SUCCESS == cuDevicePrimaryCtxRelease(device));
}
3 changes: 2 additions & 1 deletion libcudacxx/test/utils/nvidia/nvrtc/nvrtcc_run.h
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Expand Up @@ -65,7 +65,8 @@ static void load_and_run_gpu_code(const std::string inputFile, const RunConfig&

CUDA_SAFE_CALL(cuInit(0));
CUDA_SAFE_CALL(cuDeviceGet(&cuDevice, 0));
CUDA_SAFE_CALL(cuCtxCreate(&context, 0, cuDevice));
CUDA_SAFE_CALL(cuDevicePrimaryCtxRetain(&context, cuDevice));
CUDA_SAFE_CALL(cuCtxSetCurrent(context));
CUDA_SAFE_CALL(cuModuleLoadDataEx(&module, code.data(), 0, 0, 0));
CUDA_SAFE_CALL(cuModuleGetFunction(&kernel, module, "main_kernel"));
CUDA_SAFE_CALL(cuLaunchKernel(kernel, 1, 1, 1, rc.threadCount, 1, 1, rc.shmemSize, nullptr, nullptr, 0));
Expand Down