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59a85cb4bc
* debugging issue * debugging issue * debugging * debugging * reverting debugging code * clang formatted * updating default_config.json * fix ci failure * clang formatted
240 lines
10 KiB
Python
240 lines
10 KiB
Python
# SPDX-License-Identifier: MIT
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# Copyright (c) 2025, Advanced Micro Devices, Inc. All rights reserved.
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# -*- coding: utf-8 -*-
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"""
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Mappings and utility functions for kernel code generation.
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"""
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import subprocess
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import re
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from functools import lru_cache
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DATA_TYPE_MAP = {'fp32': 'float',
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'fp16': 'ck_tile::half_t',
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'bf16': 'ck_tile::bf16_t',
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'int8': 'ck_tile::int8_t',
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'fp8': 'ck_tile::fp8_t',
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'bf8': 'ck_tile::bf8_t',
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'int4': 'ck_tile::pk_int4_t'
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}
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LAYOUT_MAP = {'r': 'ck_tile::tensor_layout::gemm::RowMajor',
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'c': 'ck_tile::tensor_layout::gemm::ColumnMajor'}
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DEFAULT_EPILOGUE = """
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using GemmEpilogue = ck_tile::DefaultGemm2DEpilogue<
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ck_tile::DefaultGemm2DEpilogueProblem<ADataType,
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BDataType,
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AccDataType,
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CDataType,
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CLayout,
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kPadM,
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kPadN,
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WarpTileM,
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WarpTileN,
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WarpTileK,
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UniversalGemmProblem::TransposeC,
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true,
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memory_operation>>;
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"""
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CSHUFFLE_EPILOGUE = """
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using GemmEpilogue = ck_tile::CShuffleEpilogue<
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ck_tile::CShuffleEpilogueProblem<ADataType,
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BDataType,
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AccDataType,
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CDataType,
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CLayout,
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GemmPipelineProblem::kBlockSize,
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TilePartitioner::MPerBlock,
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TilePartitioner::NPerBlock,
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WarpM,
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WarpN,
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WarpTileM,
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WarpTileN,
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WarpTileK,
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UniversalGemmProblem::TransposeC,
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memory_operation>>;
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"""
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HOT_LOOP_FALSE = """
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if(tail_num == ck_tile::TailNumber::Full)
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{
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RunSplitk(ck_tile::bool_constant<false>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Full>{});
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}
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else if(tail_num == ck_tile::TailNumber::Odd)
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{
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RunSplitk(ck_tile::bool_constant<false>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Odd>{});
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}
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else if(tail_num == ck_tile::TailNumber::Even)
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{
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RunSplitk(ck_tile::bool_constant<false>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Even>{});
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}
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else
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{
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throw std::runtime_error("Num K loop must be larger than number of prefetech stages.");
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}
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"""
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RUN_MEM = """
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// Handle One and Full cases directly
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if (tail_num == ck_tile::TailNumber::One) {
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::One>{});
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} else if (tail_num == ck_tile::TailNumber::Full) {
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Full>{});
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}
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auto check_tail = [&](auto... TNs) {
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([&]{
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if constexpr(BaseGemmPipeline::PrefetchStages > static_cast<int>(decltype(TNs)::value)) {
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if(tail_num == decltype(TNs)::value) {
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, decltype(TNs)::value>{});
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}
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}
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}(), ...);
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};
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check_tail(
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Two>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Three>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Four>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Five>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Six>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Seven>{}
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);
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"""
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RUN_COMPV3 = """
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if(tail_num == ck_tile::TailNumber::Full)
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{
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Full>{});
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}
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else if(tail_num == ck_tile::TailNumber::Odd)
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{
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Odd>{});
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}
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else if(tail_num == ck_tile::TailNumber::Even)
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{
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Even>{});
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}
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else
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{
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throw std::runtime_error("The tail number is wrong. It should be Full, Odd, or Even.");
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}
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"""
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RUN_COMPV4 = """
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if(tail_num == ck_tile::TailNumber::Three)
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{
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Three>{});
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}
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else
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{
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RunSplitk(ck_tile::bool_constant<true>{},
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ck_tile::integral_constant<ck_tile::TailNumber, ck_tile::TailNumber::Two>{});
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}
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"""
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PIPELINE_MAP = {'mem': ['ck_tile::BaseGemmPipelineAgBgCrMem', 'ck_tile::GemmPipelineAgBgCrMem'],
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'compv3': ['ck_tile::BaseGemmPipelineAgBgCrCompV3', 'ck_tile::GemmPipelineAgBgCrCompV3'],
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'compv4': ['ck_tile::BaseGemmPipelineAgBgCrCompV4', 'ck_tile::GemmPipelineAgBgCrCompV4']}
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SCHEDULER_MAP = {'interwave': 'ck_tile::GemmPipelineScheduler::Interwave',
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'intrawave': 'ck_tile::GemmPipelineScheduler::Intrawave'}
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EPILOGUE_MAP = {'default': DEFAULT_EPILOGUE,
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'cshuffle': CSHUFFLE_EPILOGUE}
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HOT_LOOP_TRUE = {'mem': RUN_MEM,
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'compv3': RUN_COMPV3,
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'compv4': RUN_COMPV4}
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def BOOL_MAP(b_): return {True: 'true', False: 'false'}[bool(b_)]
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# To Do: add some more supported combinations
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warp_tile_supported_combinations = {
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"gfx90a": {
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'fp16_fp16_fp16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'bf16_bf16_bf16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32]]
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},
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"gfx942": {
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'fp16_fp16_fp16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'bf16_bf16_bf16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32], [16, 16, 32], [16, 16, 64]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32], [16, 16, 64], [16, 16, 32]]
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},
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"gfx950": {
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'fp16_fp16_fp16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'bf16_bf16_bf16': [[32, 32, 8], [16, 16, 16], [32, 32, 16], [16, 16, 32], [4, 64, 16], [64, 4, 16]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32], [16, 16, 32], [16, 16, 64], [16, 16, 128], [32, 32, 64]],
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'fp8_fp8_fp16': [[32, 32, 16], [32, 32, 32], [16, 16, 64], [16, 16, 32], [16, 16, 128], [32, 32, 64]]
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}
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}
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# To Do: remove some unsupported combinations
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trait_unsupported_combinations = {
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("compv3", "cshuffle", "interwave"),
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("compv3", "default", "interwave"),
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("compv4", "cshuffle", "interwave"),
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("compv4", "default", "interwave")
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}
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def element_size(data_type: str) -> float:
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"""Calculate the size (in bytes) of a single element for given data type."""
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data_type = data_type.lower()
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if data_type in {'fp16', 'bf16'}:
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return 2
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elif data_type in {'int8', 'fp8', 'bf8'}:
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return 1
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elif data_type == 'int4':
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return 0.5
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else:
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raise ValueError(f"Unsupported data type: {data_type}")
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GPU_NAME_PATTERN = re.compile(r'Name:\s*(gfx\d+\w*)')
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@lru_cache(maxsize=1)
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def get_gpu_name_by_id(gpu_id: int = 0) -> str:
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"""Retrieve GPU name (e.g. gfx90a) by device ID"""
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try:
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output = subprocess.check_output(
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["rocminfo"],
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text=True,
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stderr=subprocess.PIPE,
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timeout=5
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)
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if matches := GPU_NAME_PATTERN.finditer(output):
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gpu_list = [m.group(1) for m in matches]
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return gpu_list[gpu_id] if gpu_id < len(gpu_list) else ""
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return ""
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except subprocess.CalledProcessError as e:
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print(f"GPU query failed (exit {e.returncode}): {e.stderr.strip()}")
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except FileNotFoundError:
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print("ROCm tools not installed (requires rocminfo)")
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except subprocess.TimeoutExpired:
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print("GPU query timeout (5s)")
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except Exception as e:
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print(f"GPU detection error: {str(e)}")
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return ""
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