gilbertlee-amd
62 sor
2.3 KiB
C++
62 sor
2.3 KiB
C++
/*************************************************************************
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* Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
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*
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* See LICENSE.txt for license information
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************************************************************************/
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#include "TestBed.hpp"
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#include <cstdlib>
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namespace RcclUnitTesting
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{
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TEST(Multistream, NoGraph)
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{
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TestBed testBed;
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// Configuration
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int const numElements = 1048576;
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bool const inPlace = false;
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bool const useManagedMem = false;
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OptionalColArgs options;
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// This test runs multiple AllReduce collectives on different streams within the same group call
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bool isCorrect = true;
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for (int totalRanks = testBed.ev.minGpus; totalRanks <= testBed.ev.maxGpus && isCorrect; ++totalRanks)
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for (int isMultiProcess = 0; isMultiProcess <= 1 && isCorrect; ++isMultiProcess)
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{
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if (!(testBed.ev.processMask & (1 << isMultiProcess))) continue;
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// Test either single process all GPUs, or 1 process per GPU
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int const numProcesses = isMultiProcess ? totalRanks : 1;
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for (int numCollPerGroup = 2; numCollPerGroup <= 6; numCollPerGroup += 2)
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{
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for (int numStreamsPerGroup = numCollPerGroup; numStreamsPerGroup >= 2; numStreamsPerGroup -= 3)
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{
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if (testBed.ev.showNames)
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INFO("%s %d-ranks Multistream %d-Group Calls across %d streams\n",
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isMultiProcess ? "MP" : "SP", totalRanks, numCollPerGroup, numStreamsPerGroup);
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testBed.InitComms(TestBed::GetDeviceIdsList(numProcesses, totalRanks),
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numCollPerGroup, false, numStreamsPerGroup);
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// Set up each collective in group in different stream (modulo numStreamsPerGroup)
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options.redOp = ncclSum;
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for (int collIdx = 0; collIdx < numCollPerGroup; ++collIdx)
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{
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testBed.SetCollectiveArgs(ncclCollAllReduce, ncclFloat, numElements, numElements,
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options, collIdx, -1, collIdx % numStreamsPerGroup);
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}
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testBed.AllocateMem(inPlace, useManagedMem);
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testBed.PrepareData();
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testBed.ExecuteCollectives();
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testBed.ValidateResults(isCorrect);
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testBed.DeallocateMem();
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testBed.DestroyComms();
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}
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}
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}
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testBed.Finalize();
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}
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}
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