alex-breslow-amd
11fabf1de1
Boosts single node bfloat16 allreduce performance by up to 20% for some data sizes and provides gating with the RCCL_GFX942_CHEAP_FENCE_OFF environment variable
34 рядки
1.6 KiB
C++
34 рядки
1.6 KiB
C++
#pragma once
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/*
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Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* This file implements methods to extract metadata from an integer Metadata field passed in as a template parameter. Feel free to add additional fields below.*/
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#define RCCL_METADATA_EMPTY 0
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#define RCCL_ONE_NODE_RING_SIMPLE (1 << 0)
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constexpr bool isOneNodeRingSimple(int metadata) {
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return (metadata & RCCL_ONE_NODE_RING_SIMPLE) != 0;
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}
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static_assert(isOneNodeRingSimple(RCCL_ONE_NODE_RING_SIMPLE), "RCCL_ONE_NODE_RING_SIMPLE should be set to (1 << 0)");
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static_assert(isOneNodeRingSimple(0) == 0, "RCCL_ONE_NODE_RING_SIMPLE should not be set when metadata is 0"); |