sluzynsk-amd
219 lines
6.9 KiB
C++
219 lines
6.9 KiB
C++
/*
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Copyright (c) 2024 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 "warp_common.hh"
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#include <hip_test_common.hh>
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template <typename T> __global__ void shfl_1(T* Input, T* Output) {
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int tid = threadIdx.x;
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// Creates groups consisting of every fourth thread.
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auto mask = __match_any_sync(AllThreads, tid % 4);
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int srcLane = tid % 4;
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// Each group reads from the first active thread within that group.
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Output[tid] = __shfl_sync(mask, Input[tid], srcLane);
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}
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template <typename T> static void runTestShfl_1() {
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const int size = 64;
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T Input[size];
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T Output[size];
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T Expected[size];
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int Values[size] = {0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1,
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2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3,
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0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3, 0, -1, 2, 3};
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initializeInput(Input, size);
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initializeExpected(Expected, Values, size);
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int warpSize = getWarpSize();
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T* d_Input;
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T* d_Output;
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HIP_CHECK(hipMalloc(&d_Input, sizeof(T) * size));
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HIP_CHECK(hipMalloc(&d_Output, sizeof(T) * size));
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HIP_CHECK(hipMemcpy(d_Input, &Input, sizeof(T) * size, hipMemcpyDefault));
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hipLaunchKernelGGL(shfl_1<T>, 1, warpSize, 0, 0, d_Input, d_Output);
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HIP_CHECK(hipMemcpy(&Output, d_Output, sizeof(T) * size, hipMemcpyDefault));
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for (int i = 0; i != warpSize; ++i) {
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REQUIRE(compareEqual(Output[i], Expected[i]));
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}
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HIP_CHECK(hipFree(d_Input));
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HIP_CHECK(hipFree(d_Output));
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}
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template <typename T> __global__ void shfl_2(T* Input, T* Output) {
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int tid = threadIdx.x;
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auto mask = __match_any_sync(AllThreads, tid % 4);
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int srcLane = tid % 4;
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// Each subgroup of eight reads from the first active thread within that
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// subgroup.
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Output[tid] = __shfl_sync(mask, Input[tid], srcLane, 8);
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}
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template <typename T> static void runTestShfl_2() {
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const int size = 64;
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T Input[size];
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T Output[size];
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T Expected[size];
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int Values[size] = {0, -1, 2, 3, 0, -1, 2, 3, 8, -9, 10, 11, 8, -9, 10, 11,
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16, 17, -18, 19, 16, 17, -18, 19, 24, 25, 26, -27, 24, 25, 26, -27,
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-32, 33, 34, 35, -32, 33, 34, 35, 40, 41, 42, 43, 40, 41, 42, 43,
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48, 49, 50, -51, 48, 49, 50, -51, 56, 57, -58, 59, 56, 57, -58, 59};
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initializeInput(Input, size);
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initializeExpected(Expected, Values, size);
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int warpSize = getWarpSize();
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T* d_Input;
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T* d_Output;
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HIP_CHECK(hipMalloc(&d_Input, sizeof(T) * size));
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HIP_CHECK(hipMalloc(&d_Output, sizeof(T) * size));
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HIP_CHECK(hipMemcpy(d_Input, &Input, sizeof(T) * size, hipMemcpyDefault));
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hipLaunchKernelGGL(shfl_2<T>, 1, warpSize, 0, 0, d_Input, d_Output);
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HIP_CHECK(hipMemcpy(&Output, d_Output, sizeof(T) * size, hipMemcpyDefault));
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for (int i = 0; i != warpSize; ++i) {
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REQUIRE(compareEqual(Output[i], Expected[i]));
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}
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HIP_CHECK(hipFree(d_Input));
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HIP_CHECK(hipFree(d_Output));
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}
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__global__ void shfl_3(int* Input, int* Output) {
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auto tid = threadIdx.x;
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unsigned long long masks[2] = {Every5thBut9th, Every9thBit};
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Output[tid] = -1;
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if (tid % 5 == 0 || tid % 9 == 0) Output[tid] = __shfl_sync(masks[tid % 9 == 0], Input[tid], tid);
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}
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static void runTestShfl_3() {
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size_t warpSize = getWarpSize();
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auto Input = std::vector<int>(warpSize);
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for (size_t i = 0; i < Input.size(); i++) {
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Input[i] = i;
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}
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auto Output = std::vector<int>(warpSize);
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auto Expected = std::vector<int>(warpSize);
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for (size_t i = 0; i < Expected.size(); i++) {
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if (i % 9 == 0 || i % 5 == 0) {
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Expected[i] = i;
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} else {
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Expected[i] = -1;
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}
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}
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int* d_Input;
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int* d_Output;
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HIP_CHECK(hipMalloc(&d_Input, Input.size() * sizeof(Input[0])));
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HIP_CHECK(hipMalloc(&d_Output, Output.size() * sizeof(Output[0])));
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HIP_CHECK(hipMemcpy(d_Input, Input.data(), Input.size() * sizeof(Input[0]), hipMemcpyDefault));
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hipLaunchKernelGGL(shfl_3, 1, warpSize, 0, 0, d_Input, d_Output);
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HIP_CHECK(
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hipMemcpy(Output.data(), d_Output, Output.size() * sizeof(Output[0]), hipMemcpyDefault));
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for (size_t i = 0; i < Output.size(); i++) {
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REQUIRE(Output[i] == Expected[i]);
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}
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HIP_CHECK(hipFree(d_Input));
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HIP_CHECK(hipFree(d_Output));
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}
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/**
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* @addtogroup __shfl_sync
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* @{
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* @ingroup ShflSyncTest
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* `T __shfl_sync(unsigned long long mask, T var, int srcLane, int width=warpSize)` -
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* Contains warp __shfl sync functions.
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* @}
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*/
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/**
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* Test Description
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* ------------------------
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* - Test case to verify __shfl_sync warp functions for different datatypes.
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* Test source
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* ------------------------
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* - catch/unit/kernel/hipShflSyncTests.cc
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* Test requirements
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* ------------------------
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* - HIP_VERSION >= 5.6
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*/
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TEST_CASE("Unit_hipShflSync") {
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CHECK_WARP_MATCH_FUNCTIONS_SUPPORT
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SECTION("run test for short") {
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runTestShfl_1<short>();
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runTestShfl_2<short>();
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}
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SECTION("run test for unsigned short") {
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runTestShfl_1<unsigned short>();
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runTestShfl_2<unsigned short>();
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}
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SECTION("run test for int") {
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runTestShfl_1<int>();
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runTestShfl_2<int>();
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}
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SECTION("run test for unsigned int") {
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runTestShfl_1<unsigned int>();
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runTestShfl_2<unsigned int>();
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}
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SECTION("run test for long") {
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runTestShfl_1<long>();
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runTestShfl_2<long>();
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}
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SECTION("run test for unsigned long") {
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runTestShfl_1<unsigned long>();
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runTestShfl_2<unsigned long>();
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}
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SECTION("run test for long long") {
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runTestShfl_1<long long>();
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runTestShfl_2<long long>();
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}
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SECTION("run test for unsigned long long") {
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runTestShfl_1<unsigned long long>();
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runTestShfl_2<unsigned long long>();
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}
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SECTION("run test for float") {
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runTestShfl_1<float>();
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runTestShfl_2<float>();
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}
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SECTION("run test for double") {
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runTestShfl_1<double>();
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runTestShfl_2<double>();
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}
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SECTION("divergent execution test") { runTestShfl_3(); }
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}
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