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[SYCL][CUDA] Fix context clearing in PiCuda tests #4483

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Merged
vladimirlaz merged 2 commits into from
Sep 16, 2021
Merged

[SYCL][CUDA] Fix context clearing in PiCuda tests #4483

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8dab361
[SYCL][CUDA] Fix context clearing in PiCuda tests
npmiller Sep 2, 2021
dbe979a
[SYCL][CUDA] Fix header ordering format
npmiller Sep 3, 2021
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20 changes: 20 additions & 0 deletions sycl/unittests/pi/cuda/CudaUtils.hpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#pragma once

#include <cuda.h>

namespace pi {

// utility function to clear the CUDA context stack
inline void clearCudaContext() {
CUcontext ctxt = nullptr;
do {
cuCtxSetCurrent(nullptr);
cuCtxGetCurrent(&ctxt);
} while (ctxt != nullptr);
}

} // namespace pi
3 changes: 2 additions & 1 deletion sycl/unittests/pi/cuda/test_commands.cpp
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Expand Up @@ -10,6 +10,7 @@

#include <cuda.h>

#include "CudaUtils.hpp"
#include "TestGetPlugin.hpp"
#include <CL/sycl.hpp>
#include <CL/sycl/detail/pi.hpp>
Expand All @@ -34,7 +35,7 @@ struct CudaCommandsTest : public ::testing::Test {
GTEST_SKIP();
}

cuCtxSetCurrent(nullptr);
pi::clearCudaContext();
pi_uint32 numPlatforms = 0;
ASSERT_EQ(plugin->getBackend(), backend::cuda);

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5 changes: 3 additions & 2 deletions sycl/unittests/pi/cuda/test_contexts.cpp
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Expand Up @@ -14,6 +14,7 @@

#include <cuda.h>

#include "CudaUtils.hpp"
#include "TestGetPlugin.hpp"
#include <CL/sycl.hpp>
#include <CL/sycl/detail/pi.hpp>
Expand Down Expand Up @@ -63,7 +64,7 @@ struct CudaContextsTest : public ::testing::Test {

TEST_F(CudaContextsTest, ContextLifetime) {
// start with no active context
cuCtxSetCurrent(nullptr);
pi::clearCudaContext();

// create a context
pi_context context;
Expand Down Expand Up @@ -149,7 +150,7 @@ TEST_F(CudaContextsTest, ContextLifetimeExisting) {
// still able to work correctly in that thread.
TEST_F(CudaContextsTest, ContextThread) {
// start with no active context
cuCtxSetCurrent(nullptr);
pi::clearCudaContext();

// create two PI contexts
pi_context context1;
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3 changes: 2 additions & 1 deletion sycl/unittests/pi/cuda/test_mem_obj.cpp
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Expand Up @@ -10,6 +10,7 @@

#include <cuda.h>

#include "CudaUtils.hpp"
#include "TestGetPlugin.hpp"
#include <CL/sycl.hpp>
#include <CL/sycl/detail/cuda_definitions.hpp>
Expand All @@ -34,7 +35,7 @@ struct CudaTestMemObj : public ::testing::Test {
GTEST_SKIP();
}

cuCtxSetCurrent(nullptr);
pi::clearCudaContext();
pi_uint32 numPlatforms = 0;
ASSERT_EQ(plugin->getBackend(), backend::cuda);

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