File size: 4,396 Bytes
b5e8af8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | # SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# \brief Converts a SM string (i.e. 86+abc) into the numeric SM version (i.e. 86).
# \returns the sm in the name specified by OUT_VAR.
function(get_numeric_sm SM OUT_VAR)
# Convert the SM string to a numeric value
if(${SM} MATCHES "^([0-9]+).*$")
set(${OUT_VAR} ${CMAKE_MATCH_1} PARENT_SCOPE)
else()
message(FATAL_ERROR "Invalid SM version: ${SM}")
endif()
endfunction()
# \brief Converts the CMAKE_CUDA_ARCHITECTURES list into a list of numeric SM values.
# \returns the list in the name specified by OUT_VAR.
function(get_all_numeric_sms OUT_VAR)
set(ALL_NUMERIC_SMS "")
foreach(SM IN LISTS CMAKE_CUDA_ARCHITECTURES)
get_numeric_sm(${SM} "SM")
list(APPEND ALL_NUMERIC_SMS ${SM})
endforeach()
set(${OUT_VAR} ${ALL_NUMERIC_SMS} PARENT_SCOPE)
endfunction()
# \brief Converts the list returned by get_all_numeric_sms into a list of arch values.
# \returns the list in the name specified by OUT_VAR for native platform and OUT_VAR_CROSS for cross OS support. e.g. ptx, sm75, sm80, sm86, sm89, sm100, sm120.
function(get_all_fatbin_archs OUT_VAR OUT_VAR_CROSS)
# Use get_all_numeric_sms to get SM values and convert them to sm-prefixed format
set(ARCH_LIST "")
set(ARCH_LIST_CROSS "")
get_all_numeric_sms(NUMERIC_SMS)
foreach(SM IN LISTS NUMERIC_SMS)
list(APPEND ARCH_LIST "sm${SM}")
endforeach()
# Note: sm89 it is missing in NUMERIC_SMS since TRT treats sm89 as sm86.
# We should add sm89 to the list to generate the builder resource for sm89.
# If only sm86 is in the list, it means this build only supports sm86,
# so no need to add sm89.
list(FIND ARCH_LIST "sm86" SM86_INDEX)
list(FIND ARCH_LIST "sm89" SM89_INDEX)
list(LENGTH ARCH_LIST ARCH_LIST_COUNT)
if(${SM86_INDEX} GREATER_EQUAL 0 AND ${SM89_INDEX} EQUAL -1 AND ${ARCH_LIST_COUNT} GREATER 1)
list(APPEND ARCH_LIST "sm89")
endif()
# There is also a klib which only contains PTX code.
list(APPEND ARCH_LIST "ptx")
set(ARCH_LIST_CROSS ${ARCH_LIST})
# Cask5 does not include sm100 cubins. Exclude sm100 for both
# cross-OS support and native Windows build.
list(FILTER ARCH_LIST_CROSS EXCLUDE REGEX "sm100")
if(${TRT_BUILD_PLATFORM} STREQUAL ${TRT_PLATFORM_WIN10})
list(FILTER ARCH_LIST EXCLUDE REGEX "sm100")
endif()
set(${OUT_VAR} ${ARCH_LIST} PARENT_SCOPE)
set(${OUT_VAR_CROSS} ${ARCH_LIST_CROSS} PARENT_SCOPE)
endfunction()
# Certain cubins are binary compatible between different SM versions, so they are reused.
# This function checks if a SM-named file should be compiled based on current SM enablement.
# Specifically, the SM80 files are compiled if either 80, 86, or 89 are enabled.
function(should_compile_kernel SM OUT_VAR)
get_all_numeric_sms(__TRT_NUMERIC_CUDA_ARCHS)
# If the target SM is any of 80/86/89, we need to check if any of those are enabled in __TRT_NUMERIC_CUDA_ARCHS.
if((${SM} EQUAL 80) OR (${SM} EQUAL 86) OR (${SM} EQUAL 89))
list(FIND __TRT_NUMERIC_CUDA_ARCHS 80 SM80_INDEX)
list(FIND __TRT_NUMERIC_CUDA_ARCHS 86 SM86_INDEX)
list(FIND __TRT_NUMERIC_CUDA_ARCHS 89 SM89_INDEX)
if((NOT ${SM80_INDEX} EQUAL -1) OR
(NOT ${SM86_INDEX} EQUAL -1) OR
(NOT ${SM89_INDEX} EQUAL -1)
)
set(${OUT_VAR} TRUE PARENT_SCOPE)
else()
set(${OUT_VAR} FALSE PARENT_SCOPE)
endif()
else()
list(FIND __TRT_NUMERIC_CUDA_ARCHS ${SM} SM_INDEX)
if (NOT ${SM_INDEX} EQUAL -1)
set(${OUT_VAR} TRUE PARENT_SCOPE)
else()
set(${OUT_VAR} FALSE PARENT_SCOPE)
endif()
endif()
endfunction()
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