habajpai-amd
125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
/*************************************************************************
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* Copyright (c) 2016-2022, NVIDIA CORPORATION. All rights reserved.
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* Modifications Copyright (c) 2019-2022 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 "common.h"
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#include "cuda_runtime.h"
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#include "rccl_compat.h"
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void
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AllGatherGetCollByteCount(size_t* sendcount, size_t* recvcount, size_t* paramcount,
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size_t* sendInplaceOffset, size_t* recvInplaceOffset,
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size_t count, size_t eltSize, int nranks)
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{
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size_t base = (count / nranks) & -(16 / eltSize);
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*sendcount = base;
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*recvcount = base * nranks;
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*sendInplaceOffset = base;
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*recvInplaceOffset = 0;
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*paramcount = base;
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}
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testResult_t
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AllGatherInitData(struct threadArgs* args, ncclDataType_t type, ncclRedOp_t op, int root,
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int rep, int in_place)
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{
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size_t sendcount = args->sendBytes / wordSize(type);
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size_t recvcount = args->expectedBytes / wordSize(type);
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int nranks = args->nProcs * args->nThreads * args->nGpus;
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for(int i = 0; i < args->nGpus; i++)
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{
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CUDACHECK(cudaSetDevice(args->gpus[i]));
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int rank = ((args->proc * args->nThreads + args->thread) * args->nGpus + i);
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CUDACHECK(cudaMemset(args->recvbuffs[i], 0, args->expectedBytes));
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void* data = in_place ? ((char*) args->recvbuffs[i]) + rank * args->sendBytes
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: args->sendbuffs[i];
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TESTCHECK(InitData(data, sendcount, 0, type, ncclSum, 33 * rep + rank, 1, 0));
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for(int j = 0; j < nranks; j++)
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{
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TESTCHECK(InitData((char*) args->expected[i] + args->sendBytes * j, sendcount,
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0, type, ncclSum, 33 * rep + j, 1, 0));
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}
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CUDACHECK(cudaDeviceSynchronize());
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}
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return testSuccess;
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}
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testResult_t
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AllGatherGetAlgoProtoChannels(ncclComm_t comm, size_t count, ncclDataType_t type,
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int* algo, int* proto, int* nchannels)
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{
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if(rcclTestsGetAlgoInfo == NULL) return testInternalError;
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NCCLCHECK(rcclTestsGetAlgoInfo(comm, ncclFuncAllGather, count, type, 0, 0, 1, algo,
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proto, nchannels));
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return testSuccess;
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}
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void
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AllGatherGetBw(size_t count, int typesize, double sec, double* algBw, double* busBw,
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int nranks)
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{
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double baseBw = (double) (count * typesize * nranks) / 1.0E9 / sec;
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*algBw = baseBw;
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double factor = ((double) (nranks - 1)) / ((double) nranks);
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*busBw = baseBw * factor;
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}
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testResult_t
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AllGatherRunColl(void* sendbuff, void* recvbuff, size_t count, ncclDataType_t type,
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ncclRedOp_t op, int root, ncclComm_t comm, cudaStream_t stream,
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void* bias = nullptr)
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{
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(void) bias;
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NCCLCHECK(ncclAllGather(sendbuff, recvbuff, count, type, comm, stream));
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return testSuccess;
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}
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struct testColl allGatherTest = { "AllGather", AllGatherGetCollByteCount,
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AllGatherInitData, AllGatherGetBw,
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AllGatherRunColl, AllGatherGetAlgoProtoChannels };
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void
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AllGatherGetBuffSize(size_t* sendcount, size_t* recvcount, size_t count, int nranks)
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{
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size_t paramcount, sendInplaceOffset, recvInplaceOffset;
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AllGatherGetCollByteCount(sendcount, recvcount, ¶mcount, &sendInplaceOffset,
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&recvInplaceOffset, count, /*eltSize=*/1, nranks);
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}
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testResult_t
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AllGatherRunTest(struct threadArgs* args, int root, ncclDataType_t type,
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const char* typeName, ncclRedOp_t op, const char* opName)
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{
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args->collTest = &allGatherTest;
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ncclDataType_t* run_types;
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const char** run_typenames;
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int type_count;
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if((int) type != -1)
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{
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type_count = 1;
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run_types = &type;
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run_typenames = &typeName;
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}
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else
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{
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type_count = test_typenum;
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run_types = test_types;
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run_typenames = test_typenames;
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}
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for(int i = 0; i < type_count; i++)
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{
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TESTCHECK(
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TimeTest(args, run_types[i], run_typenames[i], (ncclRedOp_t) 0, "none", -1));
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}
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return testSuccess;
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}
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struct testEngine ncclTestEngine = { AllGatherGetBuffSize, AllGatherRunTest };
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