Wenkai Du
03a830293c
* gtest: dynamically generate tests based on test machine's GPU count * Adjust test element size and bfloat16 threshold for up to 16 GPUs
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*************************************************************************
|
|
* Copyright (c) 2019-2020 Advanced Micro Devices, Inc. All rights reserved.
|
|
*
|
|
* See LICENSE.txt for license information
|
|
************************************************************************/
|
|
|
|
#include "test_Gather.hpp"
|
|
|
|
namespace CorrectnessTests
|
|
{
|
|
TEST_P(GatherCorrectnessTest, Correctness)
|
|
{
|
|
if (numDevices > numDevicesAvailable) return;
|
|
|
|
// Allocate data
|
|
Dataset dataset;
|
|
dataset.Initialize(numDevices, numElements, dataType, inPlace, ncclCollGather);
|
|
|
|
// Test each possible root
|
|
for (int root = 0; root < numDevices; root++)
|
|
{
|
|
// Prepare input / output / expected results
|
|
FillDatasetWithPattern(dataset);
|
|
ComputeExpectedResults(dataset, root);
|
|
|
|
// Launch the reduction (1 thread per GPU)
|
|
ncclGroupStart();
|
|
for (int i = 0; i < numDevices; i++)
|
|
{
|
|
ncclGather(dataset.inputs[i],
|
|
dataset.outputs[i],
|
|
numElements, dataType,
|
|
root, comms[i], streams[i]);
|
|
}
|
|
ncclGroupEnd();
|
|
|
|
// Wait for reduction to complete
|
|
Synchronize();
|
|
|
|
// Check results
|
|
ValidateResults(dataset, root);
|
|
}
|
|
|
|
dataset.Release();
|
|
}
|
|
|
|
INSTANTIATE_TEST_SUITE_P(GatherCorrectnessSweep,
|
|
GatherCorrectnessTest,
|
|
testing::Combine(
|
|
// Reduction operator is not used
|
|
testing::Values(ncclSum),
|
|
// Data types
|
|
testing::Values(ncclInt8,
|
|
ncclUint8,
|
|
ncclInt32,
|
|
ncclUint32,
|
|
ncclInt64,
|
|
ncclUint64,
|
|
//ncclFloat16,
|
|
ncclFloat32,
|
|
ncclFloat64,
|
|
ncclBfloat16),
|
|
// Number of elements
|
|
testing::Values(1024, 1048576),
|
|
// Number of devices
|
|
testing::Range(2,(GTESTS_NUM_GPUS+1)),
|
|
// In-place or not
|
|
testing::Values(false),
|
|
testing::Values("")),
|
|
CorrectnessTest::PrintToStringParamName());
|
|
} // namespace
|