Gilbert Lee
60f91f645d
- Contains modifications to support AMD hardware
- Adds unit tests
[ROCm/rccl commit: 55a4b22ad7]
64 wiersze
2.6 KiB
C++
64 wiersze
2.6 KiB
C++
/*************************************************************************
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* 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 "test_AllGather.hpp"
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#include <omp.h>
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namespace CorrectnessTests
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{
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TEST_P(AllGatherCorrectnessTest, Correctness)
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{
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if (numDevices > numDevicesAvailable) return;
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if (numElements % numDevices != 0) return;
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// Prepare input / output / expected results
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Dataset dataset;
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dataset.Initialize(numDevices, numElements, dataType, inPlace);
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FillDatasetWithPattern(dataset);
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ComputeExpectedResults(dataset);
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size_t const byteCount = dataset.NumBytes() / dataset.numDevices;
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size_t const sendCount = dataset.numElements / dataset.numDevices;
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// Launch the reduction (1 thread per GPU)
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#pragma omp parallel for num_threads(numDevices)
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for (int i = 0; i < numDevices; i++)
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{
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ncclAllGather((int8_t *)dataset.inputs[i] + (i * byteCount),
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dataset.outputs[i], sendCount,
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dataType, comms[i], streams[i]);
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}
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// Wait for reduction to complete
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for (int i = 0; i < numDevices; i++)
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hipStreamSynchronize(streams[i]);
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// Check results
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ValidateResults(dataset);
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}
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INSTANTIATE_TEST_SUITE_P(AllGatherCorrectnessSweep,
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AllGatherCorrectnessTest,
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testing::Combine(
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// Reduction operator (not used)
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testing::Values(ncclSum),
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// Data types
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testing::Values(ncclInt8,
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ncclUint8,
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ncclInt32,
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ncclUint32,
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ncclInt64,
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ncclUint64,
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//ncclFloat16,
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ncclFloat32,
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ncclFloat64),
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// Number of elements
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testing::Values(3072, 3145728),
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// Number of devices
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testing::Values(2,3,4),
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// In-place or not
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testing::Values(false, true)));
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} // namespace
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