Wenkai Du
113 lines
4.1 KiB
Plaintext
113 lines
4.1 KiB
Plaintext
/*************************************************************************
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* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved.
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* Modifications Copyright (c) 2019 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 <hip/hip_runtime.h>
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#include "common.h"
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void print_header() {
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PRINT("# %10s %12s %6s %6s out-of-place in-place \n", "", "", "", "");
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PRINT("# %10s %12s %6s %6s %7s %6s %6s %5s %7s %6s %6s %5s\n", "size", "count", "type", "redop",
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"time", "algbw", "busbw", "error", "time", "algbw", "busbw", "error");
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PRINT("# %10s %12s %6s %6s %7s %6s %6s %5s %7s %6s %6s %5s\n", "(B)", "(elements)", "", "",
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"(us)", "(GB/s)", "(GB/s)", "", "(us)", "(GB/s)", "(GB/s)", "");
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}
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void print_line_header (size_t size, size_t count, const char *typeName, const char *opName, int root) {
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PRINT("%12li %12li %6s %6s", size, count, typeName, opName);
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}
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void AllReduceGetCollByteCount(size_t *sendcount, size_t *recvcount, size_t *paramcount, size_t *sendInplaceOffset, size_t *recvInplaceOffset, size_t count, int nranks) {
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*sendcount = count;
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*recvcount = count;
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*sendInplaceOffset = 0;
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*recvInplaceOffset = 0;
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*paramcount = *sendcount;
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}
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testResult_t AllReduceInitData(struct threadArgs* args, ncclDataType_t type, ncclRedOp_t op, int root, int rep, int in_place) {
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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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int gpuid = args->localRank*args->nThreads*args->nGpus + args->thread*args->nGpus + i;
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HIPCHECK(hipSetDevice(gpuid));
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int rank = ((args->proc*args->nThreads + args->thread)*args->nGpus + i);
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HIPCHECK(hipMemset(args->recvbuffs[i], 0, args->expectedBytes));
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void* data = in_place ? args->recvbuffs[i] : args->sendbuffs[i];
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TESTCHECK(InitData(data, sendcount, type, rep, rank));
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TESTCHECK(InitDataReduce(args->expected[i], recvcount, 0, type, op, rep, nranks));
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HIPCHECK(hipDeviceSynchronize());
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}
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return testSuccess;
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}
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void AllReduceGetBw(size_t count, int typesize, double sec, double* algBw, double* busBw, int nranks) {
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double baseBw = (double)(count * typesize) / 1.0E9 / sec;
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*algBw = baseBw;
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double factor = ((double)(2*(nranks - 1)))/((double)nranks);
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*busBw = baseBw * factor;
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}
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testResult_t AllReduceRunColl(void* sendbuff, void* recvbuff, size_t count, ncclDataType_t type, ncclRedOp_t op, int root, ncclComm_t comm, hipStream_t stream) {
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NCCLCHECK(ncclAllReduce(sendbuff, recvbuff, count, type, op, comm, stream));
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return testSuccess;
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}
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struct testColl allReduceTest = {
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"AllReduce",
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AllReduceGetCollByteCount,
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AllReduceInitData,
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AllReduceGetBw,
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AllReduceRunColl
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};
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void AllReduceGetBuffSize(size_t *sendcount, size_t *recvcount, size_t count, int nranks) {
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size_t paramcount, sendInplaceOffset, recvInplaceOffset;
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AllReduceGetCollByteCount(sendcount, recvcount, ¶mcount, &sendInplaceOffset, &recvInplaceOffset, count, nranks);
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}
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testResult_t AllReduceRunTest(struct threadArgs* args, int root, ncclDataType_t type, const char* typeName, ncclRedOp_t op, const char* opName) {
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args->collTest = &allReduceTest;
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ncclDataType_t *run_types;
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ncclRedOp_t *run_ops;
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const char **run_typenames, **run_opnames;
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int type_count, op_count;
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if ((int)type != -1) {
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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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} else {
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type_count = ncclNumTypes;
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run_types = test_types;
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run_typenames = test_typenames;
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}
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if ((int)op != -1) {
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op_count = 1;
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run_ops = &op;
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run_opnames = &opName;
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} else {
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op_count = ncclNumOps;
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run_ops = test_ops;
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run_opnames = test_opnames;
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}
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for (int i=0; i<type_count; i++) {
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for (int j=0; j<op_count; j++) {
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TESTCHECK(TimeTest(args, run_types[i], run_typenames[i], run_ops[j], run_opnames[j], -1));
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}
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}
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return testSuccess;
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}
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struct testEngine ncclTestEngine = {
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AllReduceGetBuffSize,
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AllReduceRunTest
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}; |