derek.holloway
7502bf64a4
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86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/*************************************************************************
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* Copyright (c) 2026 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 "algorithms/CollCommon.h"
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#include "gtest/gtest.h"
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namespace RcclUnitTesting
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{
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TEST(DdaCollCommon, divRoundUp)
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{
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EXPECT_EQ(meta::comms::divRoundUp(0, 8), 1u);
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EXPECT_EQ(meta::comms::divRoundUp(1, 8), 1u);
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EXPECT_EQ(meta::comms::divRoundUp(7, 8), 1u);
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EXPECT_EQ(meta::comms::divRoundUp(8, 8), 1u);
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EXPECT_EQ(meta::comms::divRoundUp(9, 8), 2u);
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}
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TEST(DdaCollCommon, calcBlockCount)
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{
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EXPECT_EQ(meta::comms::calcBlockCount(0, 512, 24), 1u);
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EXPECT_EQ(meta::comms::calcBlockCount(512, 512, 24), 1u);
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EXPECT_EQ(meta::comms::calcBlockCount(513, 512, 24), 2u);
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EXPECT_EQ(meta::comms::calcBlockCount(12288, 512, 24), 24u);
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EXPECT_EQ(meta::comms::calcBlockCount(20000, 512, 24), 24u);
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}
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TEST(DdaCollCommon, getGridAndBlockDims_SmallCount)
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{
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constexpr int kTypeSize = static_cast<int>(sizeof(float));
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constexpr size_t kMaxBlocks = 24;
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constexpr size_t kCount = 4;
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auto gridBlock =
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meta::comms::getGridAndBlockDims(kCount, kTypeSize, kMaxBlocks);
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EXPECT_EQ(gridBlock.first.x, 1u);
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EXPECT_EQ(gridBlock.second.x, 64u);
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}
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TEST(DdaCollCommon, getGridAndBlockDims_LargeCount)
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{
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constexpr int kTypeSize = static_cast<int>(sizeof(float));
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constexpr size_t kMaxBlocks = 24;
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constexpr size_t kCount = 4096;
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auto gridBlock =
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meta::comms::getGridAndBlockDims(kCount, kTypeSize, kMaxBlocks);
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EXPECT_EQ(gridBlock.first.x, 2u);
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EXPECT_EQ(gridBlock.second.x, 512u);
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}
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TEST(DdaCollCommon, getGridAndBlockDims_CapsBlocksAtMax)
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{
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constexpr int kTypeSize = static_cast<int>(sizeof(float));
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constexpr size_t kMaxBlocks = 24;
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constexpr size_t kCount = 100000;
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auto gridBlock =
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meta::comms::getGridAndBlockDims(kCount, kTypeSize, kMaxBlocks);
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EXPECT_EQ(gridBlock.first.x, kMaxBlocks);
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EXPECT_EQ(gridBlock.second.x, 512u);
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}
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TEST(DdaCollCommon, getGridAndBlockDims_HalfPrecision)
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{
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constexpr int kTypeSize = static_cast<int>(sizeof(uint16_t));
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constexpr size_t kMaxBlocks = 24;
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constexpr size_t kCount = 1024;
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auto gridBlock =
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meta::comms::getGridAndBlockDims(kCount, kTypeSize, kMaxBlocks);
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EXPECT_GE(gridBlock.first.x, 1u);
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EXPECT_LE(gridBlock.first.x, kMaxBlocks);
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EXPECT_GE(gridBlock.second.x, 64u);
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EXPECT_LE(gridBlock.second.x, 512u);
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}
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} // namespace RcclUnitTesting
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