Stanley Tsang
117 خطوط
4.4 KiB
Plaintext
117 خطوط
4.4 KiB
Plaintext
/*************************************************************************
|
|
* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved.
|
|
* Modifications Copyright (c) 2019 Advanced Micro Devices, Inc. All rights reserved.
|
|
*
|
|
* See LICENSE.txt for license information
|
|
************************************************************************/
|
|
|
|
#include <hip/hip_runtime.h>
|
|
#include "common.h"
|
|
|
|
void print_header() {
|
|
PRINT("# %10s %12s %6s %6s out-of-place in-place \n", "", "", "", "");
|
|
PRINT("# %10s %12s %6s %6s %7s %6s %6s %5s %7s %6s %6s %5s\n", "size", "count", "type", "redop",
|
|
"time", "algbw", "busbw", "error", "time", "algbw", "busbw", "error");
|
|
PRINT("# %10s %12s %6s %6s %7s %6s %6s %5s %7s %6s %6s %5s\n", "(B)", "(elements)", "", "",
|
|
"(us)", "(GB/s)", "(GB/s)", "", "(us)", "(GB/s)", "(GB/s)", "");
|
|
}
|
|
|
|
void print_line_header (size_t size, size_t count, const char *typeName, const char *opName, int root) {
|
|
PRINT("%12li %12li %6s %6s", size, count, typeName, opName);
|
|
}
|
|
|
|
void ReduceScatterGetCollByteCount(size_t *sendcount, size_t *recvcount, size_t *paramcount, size_t *sendInplaceOffset, size_t *recvInplaceOffset, size_t count, int nranks) {
|
|
*sendcount = (count/nranks)*nranks;
|
|
*recvcount = count/nranks;
|
|
*sendInplaceOffset = 0;
|
|
*recvInplaceOffset = count/nranks;
|
|
*paramcount = *recvcount;
|
|
}
|
|
|
|
testResult_t ReduceScatterInitData(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;
|
|
|
|
for (int i=0; i<args->nGpus; i++) {
|
|
int gpuid = args->localRank*args->nThreads*args->nGpus + args->thread*args->nGpus + i;
|
|
HIPCHECK(hipSetDevice(gpuid));
|
|
int rank = ((args->proc*args->nThreads + args->thread)*args->nGpus + i);
|
|
HIPCHECK(hipMemset(args->recvbuffs[i], 0, args->expectedBytes));
|
|
void* data = in_place ? args->recvbuffs[i] : args->sendbuffs[i];
|
|
TESTCHECK(InitData(data, sendcount, type, rep, rank));
|
|
HIPCHECK(hipMemcpy(args->expected[i], args->recvbuffs[i], args->expectedBytes, hipMemcpyDefault));
|
|
TESTCHECK(InitDataReduce(args->expected[i], recvcount, rank*recvcount, type, op, rep, nranks));
|
|
HIPCHECK(hipDeviceSynchronize());
|
|
}
|
|
return testSuccess;
|
|
}
|
|
|
|
void ReduceScatterGetBw(size_t count, int typesize, double sec, double* algBw, double* busBw, int nranks) {
|
|
double baseBw = (double)(count * typesize * (nranks - 1)) / 1.0E9 / sec;
|
|
|
|
*algBw = baseBw;
|
|
double factor = 1;
|
|
*busBw = baseBw * factor;
|
|
}
|
|
|
|
testResult_t ReduceScatterRunColl(void* sendbuff, void* recvbuff, size_t count, ncclDataType_t type, ncclRedOp_t op, int root, ncclComm_t comm, hipStream_t stream) {
|
|
NCCLCHECK(ncclReduceScatter(sendbuff, recvbuff, count, type, op, comm, stream));
|
|
return testSuccess;
|
|
}
|
|
|
|
struct testColl reduceScatterTest = {
|
|
"ReduceScatter",
|
|
ReduceScatterGetCollByteCount,
|
|
ReduceScatterInitData,
|
|
ReduceScatterGetBw,
|
|
ReduceScatterRunColl
|
|
};
|
|
|
|
void ReduceScatterGetBuffSize(size_t *sendcount, size_t *recvcount, size_t count, int nranks) {
|
|
size_t paramcount, sendInplaceOffset, recvInplaceOffset;
|
|
ReduceScatterGetCollByteCount(sendcount, recvcount, ¶mcount, &sendInplaceOffset, &recvInplaceOffset, count, nranks);
|
|
}
|
|
|
|
testResult_t ReduceScatterRunTest(struct threadArgs* args, int root, ncclDataType_t type, const char* typeName, ncclRedOp_t op, const char* opName) {
|
|
args->collTest = &reduceScatterTest;
|
|
ncclDataType_t *run_types;
|
|
ncclRedOp_t *run_ops;
|
|
const char **run_typenames, **run_opnames;
|
|
int type_count, op_count;
|
|
|
|
if ((int)type != -1) {
|
|
type_count = 1;
|
|
run_types = &type;
|
|
run_typenames = &typeName;
|
|
} else {
|
|
type_count = ncclNumTypes;
|
|
run_types = test_types;
|
|
run_typenames = test_typenames;
|
|
}
|
|
|
|
if ((int)op != -1) {
|
|
run_ops = &op;
|
|
run_opnames = &opName;
|
|
op_count = 1;
|
|
} else {
|
|
op_count = sizeof(test_ops)/sizeof(test_ops[0]);
|
|
run_ops = test_ops;
|
|
run_opnames = test_opnames;
|
|
}
|
|
|
|
for (int i=0; i<type_count; i++) {
|
|
for (int j=0; j<op_count; j++) {
|
|
TESTCHECK(TimeTest(args, run_types[i], run_typenames[i], run_ops[j], run_opnames[j], -1));
|
|
}
|
|
}
|
|
return testSuccess;
|
|
}
|
|
|
|
struct testEngine reduceScatterEngine = {
|
|
ReduceScatterGetBuffSize,
|
|
ReduceScatterRunTest
|
|
};
|
|
|
|
#pragma weak ncclTestEngine=reduceScatterEngine
|