Julia Jiang
120 wiersze
3.9 KiB
C++
120 wiersze
3.9 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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#include <hip_test_kernels.hh>
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#include <hip_test_checkers.hh>
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// Test case to validate atomicInc and atomicDec functions.
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// if TestToRun=1, then atomicInc function will be tested and validated
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// if TestToRun=2, then atomicDec function will be tested and validated.
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// kernel function for atomicInc
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static __global__ void AtomicCheckInc(int* g_ptr) {
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atomicInc(reinterpret_cast<unsigned int*>(&g_ptr[0]), 17);
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}
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// kernel function for atomicDec
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static __global__ void AtomicCheckDec(int* g_ptr) {
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atomicDec(reinterpret_cast<unsigned int*>(&g_ptr[0]), 25);
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}
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// verify results for atomicInc
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static int verifyResultInc(int value) {
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int limit = 17;
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value = (value >= limit) ? 0 : value + 1;
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return value;
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}
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// verify results for atomicDec
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static int verifyResultDec(int value) {
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int limit = 25;
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value = ((value == 0) || (value > limit)) ? limit : value - 1;
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return value;
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}
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// common fuction to launch atomic functions kernel.
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static void launchAtomicFunction(int *Hptr, int val, int TestToRun) {
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unsigned int memSize = sizeof(int) * 1;
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int *dptr{nullptr};
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// allocate device memory
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HIP_CHECK(hipMalloc(reinterpret_cast<void**>(&dptr), memSize));
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// copy host memory to device
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HIP_CHECK(hipMemcpy(dptr, Hptr, memSize, hipMemcpyHostToDevice));
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// launch kernel function
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if (TestToRun == 1) {
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AtomicCheckInc<<<1, 1>>>(dptr);
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} else if (TestToRun == 2) {
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AtomicCheckDec<<<1, 1>>>(dptr);
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}
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// copy back from device to host
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HIP_CHECK(hipMemcpy(Hptr, dptr, memSize, hipMemcpyDeviceToHost));
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// verify the results.
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if (TestToRun == 1) {
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int result = verifyResultInc(val);
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REQUIRE(result == Hptr[0]);
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} else if (TestToRun == 2) {
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int result = verifyResultDec(val);
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REQUIRE(result == Hptr[0]);
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}
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// Cleanup memory
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HIP_CHECK(hipFree(dptr));
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}
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TEST_CASE("Unit_AtomicFunctions_Inc") {
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int *Hptr{nullptr};
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int val;
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// Allocate Host memory
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Hptr = reinterpret_cast<int*>(malloc(sizeof(int)));
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SECTION("Test case when value is lesser than limit") {
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val = Hptr[0] = 10;
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launchAtomicFunction(Hptr, val, 1);
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}
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SECTION("Test case when value is greater than limit") {
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val = Hptr[0] = 20;
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launchAtomicFunction(Hptr, val, 1);
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}
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SECTION("Test case when value is equal to the limit") {
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val = Hptr[0] = 17;
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launchAtomicFunction(Hptr, val, 1);
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}
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free(Hptr);
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}
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TEST_CASE("Unit_AtomicFunctions_Dec") {
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int *Hptr{nullptr};
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int val;
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// Allocate Host memory
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Hptr = reinterpret_cast<int*>(malloc(sizeof(int)));
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SECTION("Test case when value is less than limit") {
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val = Hptr[0] = 4;
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launchAtomicFunction(Hptr, val, 2);
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}
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SECTION("Test case when value is greater than limit") {
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val = Hptr[0] = 31;
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launchAtomicFunction(Hptr, val, 2);
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}
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SECTION("Test case when value is equal to the limit") {
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val = Hptr[0] = 25;
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launchAtomicFunction(Hptr, val, 2);
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}
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free(Hptr);
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}
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