Edgar Gabriel
123 rivejä
4.1 KiB
Plaintext
123 rivejä
4.1 KiB
Plaintext
/*************************************************************************
|
|
* Copyright (c) 2016-2022, NVIDIA CORPORATION. All rights reserved.
|
|
* Modifications Copyright (c) 2019-2022 Advanced Micro Devices, Inc. All rights reserved.
|
|
*
|
|
* See LICENSE.txt for license information
|
|
************************************************************************/
|
|
|
|
#include "hip/hip_runtime.h"
|
|
#include "common.h"
|
|
|
|
void GatherGetCollByteCount(size_t *sendcount, size_t *recvcount, size_t *paramcount, size_t *sendInplaceOffset, size_t *recvInplaceOffset, size_t count, int nranks) {
|
|
*sendcount = count/nranks;
|
|
*recvcount = (count/nranks)*nranks;
|
|
*sendInplaceOffset = count/nranks;
|
|
*recvInplaceOffset = 0;
|
|
*paramcount = count/nranks;
|
|
}
|
|
|
|
testResult_t GatherInitData(struct threadArgs* args, ncclDataType_t type, ncclRedOp_t op, int root, int rep, int in_place) {
|
|
size_t sendcount = args->sendBytes / wordSize(type);
|
|
size_t recvcount = args->expectedBytes / wordSize(type);
|
|
int nranks = args->nProcs*args->nThreads*args->nGpus*args->nRanks;
|
|
|
|
int k=0;
|
|
for (int i=0; i<args->nGpus; i++) {
|
|
HIPCHECK(hipSetDevice(args->gpus[i]));
|
|
|
|
for (int l=0; l<args->nRanks; l++) {
|
|
int rank = ((args->proc*args->nThreads + args->thread)*args->nGpus*args->nRanks + i*args->nRanks + l);
|
|
HIPCHECK(hipMemset(args->recvbuffs[k], 0, args->expectedBytes));
|
|
void* data = in_place ? ((char*)args->recvbuffs[k])+rank*args->sendBytes : args->sendbuffs[k];
|
|
TESTCHECK(InitData(data, sendcount, rank*sendcount, type, ncclSum, rep, 1, 0));
|
|
HIPCHECK(hipMemcpy(args->expected[k], args->recvbuffs[k], args->expectedBytes, hipMemcpyDefault));
|
|
if (rank == root) {
|
|
for (int j=0; j<nranks; j++) {
|
|
TESTCHECK(InitData(((char*)args->expected[k]), nranks*sendcount, 0, type, ncclSum, rep, 1, 0));
|
|
}
|
|
}
|
|
k++;
|
|
}
|
|
HIPCHECK(hipDeviceSynchronize());
|
|
}
|
|
return testSuccess;
|
|
}
|
|
|
|
void GatherGetBw(size_t count, int typesize, double sec, double* algBw, double* busBw, int nranks) {
|
|
double baseBw = (double)(count * nranks * typesize) / 1.0E9 / sec;
|
|
|
|
*algBw = baseBw;
|
|
double factor = ((double)(nranks-1))/((double)(nranks));
|
|
*busBw = baseBw * factor;
|
|
}
|
|
|
|
testResult_t GatherRunColl(void* sendbuff, void* recvbuff, size_t count, ncclDataType_t type, ncclRedOp_t op, int root, ncclComm_t comm, hipStream_t stream) {
|
|
int nRanks;
|
|
NCCLCHECK(ncclCommCount(comm, &nRanks));
|
|
int rank;
|
|
NCCLCHECK(ncclCommUserRank(comm, &rank));
|
|
size_t rankOffset = count * wordSize(type);
|
|
if (count == 0) return testSuccess;
|
|
|
|
NCCLCHECK(ncclGroupStart());
|
|
NCCLCHECK(ncclSend(sendbuff, count, type, root, comm, stream));
|
|
if (rank == root) {
|
|
for (int r=0; r<nRanks; r++) {
|
|
NCCLCHECK(ncclRecv(((char*)recvbuff)+r*rankOffset, count, type, r, comm, stream));
|
|
}
|
|
}
|
|
NCCLCHECK(ncclGroupEnd());
|
|
|
|
return testSuccess;
|
|
}
|
|
|
|
struct testColl gatherTest = {
|
|
"Gather",
|
|
GatherGetCollByteCount,
|
|
GatherInitData,
|
|
GatherGetBw,
|
|
GatherRunColl
|
|
};
|
|
|
|
void GatherGetBuffSize(size_t *sendcount, size_t *recvcount, size_t count, int nranks) {
|
|
size_t paramcount, sendInplaceOffset, recvInplaceOffset;
|
|
GatherGetCollByteCount(sendcount, recvcount, ¶mcount, &sendInplaceOffset, &recvInplaceOffset, count, nranks);
|
|
}
|
|
|
|
testResult_t GatherRunTest(struct threadArgs* args, int root, ncclDataType_t type, const char* typeName, ncclRedOp_t op, const char* opName) {
|
|
args->collTest = &gatherTest;
|
|
ncclDataType_t *run_types;
|
|
const char **run_typenames;
|
|
int type_count;
|
|
int begin_root, end_root;
|
|
|
|
if ((int)type != -1) {
|
|
type_count = 1;
|
|
run_types = &type;
|
|
run_typenames = &typeName;
|
|
} else {
|
|
type_count = test_typenum;
|
|
run_types = test_types;
|
|
run_typenames = test_typenames;
|
|
}
|
|
|
|
if (root != -1) {
|
|
begin_root = end_root = root;
|
|
} else {
|
|
begin_root = 0;
|
|
end_root = args->nProcs*args->nThreads*args->nGpus-1;
|
|
}
|
|
|
|
for (int i=0; i<type_count; i++) {
|
|
for (int j=begin_root; j<=end_root; j++) {
|
|
TESTCHECK(TimeTest(args, run_types[i], run_typenames[i], (ncclRedOp_t)0, "none", j));
|
|
}
|
|
}
|
|
return testSuccess;
|
|
}
|
|
|
|
struct testEngine ncclTestEngine = {
|
|
GatherGetBuffSize,
|
|
GatherRunTest
|
|
};
|