Aditya Atluri
133 خطوط
4.2 KiB
C++
133 خطوط
4.2 KiB
C++
/*
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Copyright (c) 2015-2016 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_runtime.h"
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#include "test_common.h"
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//---
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// Test simple H2D copies and back.
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// Designed to stress a small number of simple smoke tests
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void simpleTest1()
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{
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printf ("test: %s\n", __func__);
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size_t Nbytes = N*sizeof(int);
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printf ("N=%zu Nbytes=%6.2fMB\n", N, Nbytes/1024.0/1024.0);
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int *A_d, *B_d, *C_d;
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int *A_h, *B_h, *C_h;
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HipTest::initArrays (&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N, false);
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printf ("A_d=%p B_d=%p C_d=%p A_h=%p B_h=%p C_h=%p\n", A_d, B_d, C_d, A_h, B_d, C_h);
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unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N);
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HIPCHECK ( hipMemcpy(A_d, A_h, Nbytes, hipMemcpyHostToDevice));
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HIPCHECK ( hipMemcpy(B_d, B_h, Nbytes, hipMemcpyHostToDevice));
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hipLaunchKernel(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, 0, A_d, B_d, C_d, N);
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HIPCHECK ( hipMemcpy(C_h, C_d, Nbytes, hipMemcpyDeviceToHost));
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HIPCHECK (hipDeviceSynchronize());
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HipTest::checkVectorADD(A_h, B_h, C_h, N);
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HipTest::freeArrays (A_d, B_d, C_d, A_h, B_h, C_h, false);
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HIPCHECK (hipDeviceReset());
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printf (" %s success\n", __func__);
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}
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template <typename T>
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void simpleTest2(size_t numElements, bool usePinnedHost)
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{
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printf ("test: %s<%s>\n", __func__, TYPENAME(T));
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size_t sizeElements = numElements * sizeof(T);
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T *A_d, *A_h1, *A_h2;
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if (usePinnedHost) {
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HIPCHECK ( hipHostAlloc((void**)&A_h1, sizeElements, hipHostAllocDefault) );
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HIPCHECK ( hipHostAlloc((void**)&A_h2, sizeElements, hipHostAllocDefault) );
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} else {
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A_h1 = (T*)malloc(sizeElements);
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A_h2 = (T*)malloc(sizeElements);
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}
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// Alloc device array:
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HIPCHECK ( hipMalloc(&A_d, sizeElements) );
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for (size_t i=0; i<numElements; i++) {
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A_h1[i] = 3.14f+ 1000*i;
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A_h2[i] = 12345678.0 + i; // init output with something distincctive, to ensure we replace it.
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}
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HIPCHECK(hipMemcpy(A_d, A_h1, sizeElements, hipMemcpyHostToDevice));
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HIPCHECK(hipDeviceSynchronize());
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HIPCHECK(hipMemcpy(A_h2, A_d, sizeElements, hipMemcpyDeviceToHost));
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HIPCHECK(hipDeviceSynchronize());
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for (size_t i=0; i<numElements; i++) {
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HIPASSERT(A_h1[i] == A_h2[i]);
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}
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HIPCHECK(hipFree(A_d));
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if (usePinnedHost) {
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HIPCHECK(hipFreeHost(A_h1));
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HIPCHECK(hipFreeHost(A_h2));
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} else {
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free(A_h1);
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free(A_h2);
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}
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}
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int main(int argc, char *argv[])
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{
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HipTest::parseStandardArguments(argc, argv, true);
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printf ("info: set device to %d, tests=%x\n", p_gpuDevice, p_tests);
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HIPCHECK(hipSetDevice(p_gpuDevice));
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if (p_tests & 0x1) {
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printf ("\n\n=== tests&1\n");
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HIPCHECK ( hipDeviceReset() );
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simpleTest1();
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printf ("===\n\n\n");
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}
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if (p_tests & 0x2) {
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printf ("\n\n=== tests&2 (copy pin-pong, pinned host)\n");
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simpleTest2<float>(N, true/*usePinnedHost*/);
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simpleTest2<char>(N, true/*usePinnedHost*/);
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}
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if (p_tests & 0x4) {
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printf ("\n\n=== tests&2 (copy pin-pong, unpinned host)\n");
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simpleTest2<float>(N, false/*usePinnedHost*/);
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simpleTest2<char>(N, false/*usePinnedHost*/);
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}
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passed();
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};
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