Jatin Chaudhary
79 líneas
2.7 KiB
C++
79 líneas
2.7 KiB
C++
/*
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Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <hip_test_common.hh>
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TEST_CASE("Unit_hipHostGetDevicePointer_Negative") {
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int* hPtr{nullptr};
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HIP_CHECK(hipHostMalloc(&hPtr, sizeof(int)));
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SECTION("Nullptr as device") {
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HIP_CHECK_ERROR(hipHostGetDevicePointer(nullptr, hPtr, 0), hipErrorInvalidValue);
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}
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SECTION("Nullptr as host") {
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int* dPtr{nullptr};
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HIP_CHECK_ERROR(hipHostGetDevicePointer(reinterpret_cast<void**>(&dPtr), nullptr, 0),
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hipErrorInvalidValue);
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}
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// Not adding check for flags since CUDA spec states that there might be more values added to it
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HIP_CHECK(hipHostFree(hPtr));
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}
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template <typename T> __global__ void set(T* ptr, T val) { *ptr = val; }
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TEST_CASE("Unit_hipHostGetDevicePointer_UseCase") {
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int* hPtr{nullptr};
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HIP_CHECK(hipHostMalloc(&hPtr, sizeof(int)));
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auto kernel = set<int>;
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constexpr int value = 10;
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SECTION("Set the value on device - Get device ptr") {
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int* dPtr{nullptr};
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HIP_CHECK(hipHostGetDevicePointer(reinterpret_cast<void**>(&dPtr), hPtr, 0));
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REQUIRE(dPtr != nullptr);
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kernel<<<1, 1>>>(dPtr, value);
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HIP_CHECK(hipDeviceSynchronize());
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REQUIRE(*hPtr == value);
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}
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SECTION("Set the value on device - by hipHostRegister") {
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int res{0}; // Stuff on stack
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HIP_CHECK(hipHostRegister(&res, sizeof(int), 0)); // Lets map stack memory :)
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int* dPtr{nullptr};
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HIP_CHECK(hipHostGetDevicePointer(reinterpret_cast<void**>(&dPtr), &res, 0))
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kernel<<<1, 1>>>(dPtr, value);
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HIP_CHECK(hipDeviceSynchronize());
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HIP_CHECK(hipHostUnregister(&res));
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REQUIRE(value == 10);
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}
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HIP_CHECK(hipHostFree(hPtr));
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}
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