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CMakeLists.txt
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# Copyright (c) 2017 - 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: BSD-3-Clause
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
if(CUTLASS_ENABLE_SYCL)
cmake_minimum_required(VERSION 3.22 FATAL_ERROR)
else()
cmake_minimum_required(VERSION 3.19 FATAL_ERROR)
cmake_policy(SET CMP0112 NEW)
endif()
if(cutlass_LOADED)
# If CUTLASS has been previously fetched and loaded, don't do it again.
return()
else()
set(cutlass_LOADED ON)
set(CUTLASS_DIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE PATH "CUTLASS Repository Directory")
endif()
message(STATUS "CMake Version: ${CMAKE_VERSION}")
set(IMPLICIT_CMAKE_CXX_STANDARD OFF CACHE BOOL "Do not explicitly specify -std=c++17 if set")
# To reduce duplicate version locations, parse the version out of the
# main versions.h file and reuse it here.
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/include/cutlass/version.h VERSION_FILE_CONTENTS)
string(REGEX MATCH "#define CUTLASS_MAJOR ([0-9]+)" _CUTLASS_VERSION_MAJOR "${VERSION_FILE_CONTENTS}")
set(_CUTLASS_VERSION_MAJOR ${CMAKE_MATCH_1})
string(REGEX MATCH "#define CUTLASS_MINOR ([0-9]+)" _CUTLASS_VERSION_MINOR "${VERSION_FILE_CONTENTS}")
set(_CUTLASS_VERSION_MINOR ${CMAKE_MATCH_1})
string(REGEX MATCH "#define CUTLASS_PATCH ([0-9]+)" _CUTLASS_VERSION_PATCH "${VERSION_FILE_CONTENTS}")
set(_CUTLASS_VERSION_PATCH ${CMAKE_MATCH_1})
message(STATUS "CUTLASS ${_CUTLASS_VERSION_MAJOR}.${_CUTLASS_VERSION_MINOR}.${_CUTLASS_VERSION_PATCH}")
## CUTLASS PROJECT #############################################################
project(CUTLASS VERSION ${_CUTLASS_VERSION_MAJOR}.${_CUTLASS_VERSION_MINOR}.${_CUTLASS_VERSION_PATCH} LANGUAGES CXX)
################################################################################
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(CUTLASS_GNU_HOST_COMPILE ON CACHE BOOL "Using GNU tools for host code compilation")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
set(CUTLASS_CLANG_HOST_COMPILE ON CACHE BOOL "Using Clang tools for host code compilation")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
set(CUTLASS_MSVC_HOST_COMPILE ON CACHE BOOL "Using MSVC tools for host code compilation")
endif()
################################################################################
if (NOT CUTLASS_ENABLE_SYCL)
include(${CMAKE_CURRENT_SOURCE_DIR}/CUDA.cmake)
endif()
if (CUDA_VERSION VERSION_LESS 11.3 AND NOT CUTLASS_ENABLE_SYCL)
message(WARNING "CUTLASS ${CUTLASS_VERSION} requires CUDA 11.4 or higher, and strongly recommends CUDA 11.8 or higher.")
elseif (CUDA_VERSION VERSION_LESS 11.4 AND NOT CUTLASS_ENABLE_SYCL)
message(WARNING "CUTLASS ${CUTLASS_VERSION} support for CUDA ${CUDA_VERSION} is deprecated, please use CUDA 11.8 or higher.")
endif()
if(CUTLASS_GNU_HOST_COMPILE AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.3)
message(FATAL_ERROR "GCC version must be at least 7.3!")
endif()
if (CUTLASS_CLANG_DEVICE_COMPILE AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
message(FATAL_ERROR "Clang 7.0+ required for GPU compilation")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0 AND CUTLASS_ENABLE_SYCL)
message(FATAL_ERROR "Clang version must be at least 19.0!")
endif()
################################################################################
#
# Configure SYCL build options
#
################################################################################
option(CUTLASS_ENABLE_SYCL "Enable SYCL" OFF)
option(CUTLASS_SYCL_PROFILING_ENABLED "Use SYCL events to calculate device execution time" OFF)
if (CUTLASS_ENABLE_SYCL)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
if(DPCPP_SYCL_TARGET STREQUAL "nvptx64-nvidia-cuda")
set(SYCL_NVIDIA_TARGET ON)
add_compile_definitions(SYCL_NVIDIA_TARGET)
elseif(DPCPP_SYCL_TARGET STREQUAL "intel_gpu_pvc" OR
DPCPP_SYCL_TARGET STREQUAL "spir64" OR
DPCPP_SYCL_TARGET STREQUAL "intel_gpu_bmg_g21")
set(SYCL_INTEL_TARGET ON)
add_compile_definitions(SYCL_INTEL_TARGET)
endif()
add_compile_definitions(CUTLASS_ENABLE_SYCL)
find_package(DPCPP)
include(${CMAKE_CURRENT_SOURCE_DIR}/SYCL.cmake)
if (CUTLASS_SYCL_PROFILING_ENABLED)
add_compile_definitions(CUTLASS_SYCL_PROFILING_ENABLED)
add_compile_definitions(SYCLCOMPAT_PROFILING_ENABLED)
endif()
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/onemkl.cmake)
endif()
find_package(Doxygen QUIET)
################################################################################
#
# CUTLASS 3.x requires C++17
#
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CUDA_STANDARD 17)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS --expt-relaxed-constexpr)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -ftemplate-backtrace-limit=0)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX install CACHE PATH "Default installation location." FORCE)
endif()
message(STATUS "Default Install Location: ${CMAKE_INSTALL_PREFIX}")
set(CUTLASS_TEST_LEVEL "0" CACHE STRING "Level of tests to compile.")
# 0 - Sanity, 1 - Release-Quality, 2 - Exhaustive
find_package(Python3 3.5 COMPONENTS Interpreter REQUIRED)
################################################################################
include(customConfigs.cmake)
################################################################################
set(CUTLASS_ENABLE_HEADERS_ONLY OFF CACHE BOOL "Enable only the header library")
if(CUTLASS_ENABLE_HEADERS_ONLY)
set(CUTLASS_ENABLE_EXAMPLES_INIT OFF)
set(CUTLASS_ENABLE_TOOLS_INIT ON)
set(CUTLASS_ENABLE_LIBRARY_INIT OFF)
set(CUTLASS_ENABLE_TESTS_INIT OFF)
else()
set(CUTLASS_ENABLE_EXAMPLES_INIT ON)
set(CUTLASS_ENABLE_TOOLS_INIT ON)
set(CUTLASS_ENABLE_LIBRARY_INIT ON)
if(${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
set(CUTLASS_ENABLE_TESTS_INIT ON)
else()
set(CUTLASS_ENABLE_TESTS_INIT OFF)
endif()
endif()
set(CUTLASS_TEST_UNIT_ENABLE_WARNINGS OFF CACHE BOOL "Enable warnings on waived unit tests.")
set(CUTLASS_ENABLE_EXAMPLES ${CUTLASS_ENABLE_EXAMPLES_INIT} CACHE BOOL "Enable CUTLASS Examples")
set(CUTLASS_ENABLE_TOOLS ${CUTLASS_ENABLE_TOOLS_INIT} CACHE BOOL "Enable CUTLASS Tools")
set(CUTLASS_ENABLE_LIBRARY ${CUTLASS_ENABLE_LIBRARY_INIT} CACHE BOOL "Enable CUTLASS Library")
set(CUTLASS_ENABLE_PROFILER ${CUTLASS_ENABLE_LIBRARY} CACHE BOOL "Enable CUTLASS Profiler")
set(CUTLASS_ENABLE_PERFORMANCE ${CUTLASS_ENABLE_PROFILER} CACHE BOOL "Enable CUTLASS Performance")
set(CUTLASS_ENABLE_BENCHMARKS ON CACHE BOOL "Enable CUTLASS Benchmarks")
set(CUTLASS_ENABLE_TESTS ${CUTLASS_ENABLE_TESTS_INIT} CACHE BOOL "Enable CUTLASS Tests")
set(CUTLASS_ENABLE_GTEST_UNIT_TESTS ${CUTLASS_ENABLE_TESTS} CACHE BOOL "Enable CUTLASS GTest-based Unit Tests")
set(CUTLASS_USE_SYSTEM_GOOGLETEST OFF CACHE BOOL "Use system/external installation of GTest")
if (CUTLASS_ENABLE_TESTS AND CUTLASS_ENABLE_PROFILER)
set(CUTLASS_ENABLE_PROFILER_UNIT_TESTS_INIT ON)
else()
set(CUTLASS_ENABLE_PROFILER_UNIT_TESTS_INIT OFF)
endif()
set(CUTLASS_ENABLE_PROFILER_UNIT_TESTS ${CUTLASS_ENABLE_PROFILER_UNIT_TESTS_INIT} CACHE BOOL "Enable CUTLASS Profiler-based Unit Tests")
set(CUTLASS_ENABLE_SELF_CONTAINED_INCLUDES_CHECK ON CACHE BOOL "Enable CUTLASS check for self-contained header includes")
################################################################################
set(CUTLASS_NVCC_ARCHS_SUPPORTED "")
if (CUDA_VERSION VERSION_GREATER_EQUAL 11.4 AND NOT CUTLASS_ENABLE_SYCL)
list(APPEND CUTLASS_NVCC_ARCHS_SUPPORTED 70 72 75 80 86 87)
endif()
if (CUDA_VERSION VERSION_GREATER_EQUAL 11.8 AND NOT CUTLASS_ENABLE_SYCL)
list(APPEND CUTLASS_NVCC_ARCHS_SUPPORTED 89 90)
endif()
if (CUDA_VERSION VERSION_GREATER_EQUAL 12.0 AND NOT CUTLASS_ENABLE_SYCL)
list(APPEND CUTLASS_NVCC_ARCHS_SUPPORTED 90a)
endif()
if (CUDA_VERSION VERSION_GREATER_EQUAL 12.8 AND NOT CUTLASS_ENABLE_SYCL)
list(APPEND CUTLASS_NVCC_ARCHS_SUPPORTED 100 100a 101 101a 120 120a)
endif()
set(CUTLASS_NVCC_ARCHS ${CUTLASS_NVCC_ARCHS_SUPPORTED} CACHE STRING "The SM architectures requested.")
set(CUTLASS_NVCC_ARCHS_ENABLED ${CUTLASS_NVCC_ARCHS} CACHE STRING "The SM architectures to build code for.")
# Find unsupported and deprecated compute capabilities
if (CUTLASS_NVCC_ARCHS_SUPPORTED)
set(CUTLASS_NVCC_ARCHS_UNSUPPORTED ${CUTLASS_NVCC_ARCHS})
list(REMOVE_ITEM CUTLASS_NVCC_ARCHS_UNSUPPORTED ${CUTLASS_NVCC_ARCHS_SUPPORTED})
if (CUTLASS_NVCC_ARCHS_UNSUPPORTED)
message(WARNING "Using unsupported or deprecated compute capabilities ${CUTLASS_NVCC_ARCHS_UNSUPPORTED}. Support may be removed in future versions.")
endif()
elseif(NOT CUTLASS_ENABLE_SYCL)
message(WARNING "No supported compute capabilities for CUDA ${CUDA_VERSION}.")
endif()
# Special policy introduced in CMake 3.13
if (POLICY CMP0076)
cmake_policy(SET CMP0076 NEW)
endif()
include(GNUInstallDirs)
link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib64/stubs)
link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib64)
###################################################################################################
#
# Configure CMake variables
#
###################################################################################################
if (NOT CUTLASS_ENABLE_SYCL)
message(STATUS "CUDA Compilation Architectures: ${CUTLASS_NVCC_ARCHS_ENABLED}")
endif()
if (NOT (CMAKE_BUILD_TYPE OR CONFIGURATION_TYPES))
# By default we want to build in Release mode to ensure that we're getting best performance.
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose build level" FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "RelWithDebInfo" "Release")
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if (DEFINED CMAKE_DEBUG_POSTFIX)
set(CUTLASS_LIBRARY_DEBUG_POSTFIX_INIT ${CMAKE_DEBUG_POSTFIX})
else()
set(CUTLASS_LIBRARY_DEBUG_POSTFIX_INIT .debug)
endif()
set(CUTLASS_LIBRARY_DEBUG_POSTFIX ${CUTLASS_LIBRARY_DEBUG_POSTFIX_INIT} CACHE STRING "Default postfix value for debug libraries")
if(WIN32)
# On Windows we link against the shared (DLL) runtime. Change gtest settings to match this.
set(gtest_force_shared_crt ON CACHE BOOL "Use shared (DLL) run-time lib even when Google Test is built as static lib" FORCE)
# Disable CRT security warnings and don't include GDI headers (macro RELATIVE causes name collision)
add_definitions(-D_CRT_SECURE_NO_WARNINGS -DNOGDI)
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DCUTLASS_VERSIONS_GENERATED")
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -DCUTLASS_VERSIONS_GENERATED")
if (WIN32)
# Enable more warnings. Add "-Xcompiler=/WX" to enable warnings as errors.
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=/W3)
# Disable warning on Unicode characters
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=/wd4819)
# Disable excess x86 floating point precision that can lead to results being labeled incorrectly
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=/fp:strict)
endif(WIN32)
if (${CUTLASS_NVCC_VERBOSE})
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -v)
endif()
#
# CUTLASS NAMESPACE
#
set(CUTLASS_NAMESPACE "cutlass" CACHE STRING "Top level namespace of CUTLASS")
set(CUTLASS_NVCC_EMBED_CUBIN ON CACHE BOOL "Embed compiled CUDA kernel binaries into executables.")
set(CUTLASS_NVCC_EMBED_PTX ON CACHE BOOL "Embed compiled PTX into executables.")
set(CUTLASS_NVCC_KEEP OFF CACHE BOOL "Keep intermediate files generated by NVCC.")
set(CUTLASS_ENABLE_F16C OFF CACHE BOOL "Enable F16C x86 extensions in host code.")
################################################################################
#
# CUTLASS generator cmake configuration
#
# Kernel unified filter file
set(KERNEL_FILTER_FILE "" CACHE STRING "KERNEL FILTER FILE FULL PATH")
if (KERNEL_FILTER_FILE AND NOT CUTLASS_LIBRARY_KERNELS)
# If a kernel filter file is specified, we want to generate and then
# filter on the entire kernel set, not the default kernel
# (sub)set. The user may have overridden CUTLASS_LIBRARY_KERNELS, in which
# case the resulting kernel set will be the intersection of the two
# options differenced against CUTLASS_LIBRARY_IGNORE_KERNELS.
set(CUTLASS_LIBRARY_KERNELS_INIT "*")
else()
set(CUTLASS_LIBRARY_KERNELS_INIT "")
endif()
if (KERNEL_FILTER_FILE)
get_filename_component(KERNEL_FILTER_FILE "${KERNEL_FILTER_FILE}" ABSOLUTE)
set(KERNEL_FILTER_FILE "${KERNEL_FILTER_FILE}" CACHE STRING "KERNEL FILTER FILE FULL PATH" FORCE)
endif()
set(SELECTED_KERNEL_LIST "selected" CACHE STRING "Name of the filtered kernel list")
if(KERNEL_FILTER_FILE)
message(STATUS "Full path of filter file: ${KERNEL_FILTER_FILE}")
endif()
set(CUTLASS_LIBRARY_OPERATIONS "all" CACHE STRING "Comma-delimited list of operation name filters. Default '' means all operations are enabled.")
set(CUTLASS_LIBRARY_KERNELS ${CUTLASS_LIBRARY_KERNELS_INIT} CACHE STRING "Comma-delimited list of kernel name filters. If unspecified, only the largest tile size is enabled. If the string 'all' is specified, all kernels are enabled.")
set(CUTLASS_LIBRARY_IGNORE_KERNELS "" CACHE STRING "Comma-delimited list of kernels to exclude from build. This option ONLY takes effect if CUTLASS_LIBRARY_KERNELS is set.")
set(CUTLASS_LIBRARY_EXCLUDE_KERNELS "" CACHE STRING "Comma-delimited list of kernels to exclude from build. This option always takes effect, whether or not CUTLASS_LIBRARY_KERNELS is set. It also can exclude kernels from the filter file (see KERNEL_FILTER_FILE).")
set(CUTLASS_LIBRARY_INSTANTIATION_LEVEL "" CACHE STRING "Instantiation level for SM90 kernels. Set to `max` and make sure CUTLASS_LIBRARY_KERNELS is non-empty to stamp all possible kernel configurations.")
################################################################################
set(CUTLASS_TEST_ENABLE_CACHED_RESULTS ON CACHE BOOL "Enable caching and reuse of test results in unit tests")
set_property(CACHE CUTLASS_TEST_LEVEL PROPERTY STRINGS 0 1 2)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_TEST_LEVEL=${CUTLASS_TEST_LEVEL})
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -DCUTLASS_TEST_LEVEL=${CUTLASS_TEST_LEVEL})
if (CUTLASS_TEST_ENABLE_CACHED_RESULTS)
message(STATUS "Enable caching of reference results in conv unit tests")
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_TEST_ENABLE_CACHED_RESULTS=1)
endif()
set(CUTLASS_CONV_UNIT_TEST_RIGOROUS_SIZE_ENABLED ON CACHE BOOL "Enable/Disable rigorous conv problem sizes in conv unit tests")
if (CUTLASS_CONV_UNIT_TEST_RIGOROUS_SIZE_ENABLED)
message(STATUS "Enable rigorous conv problem sizes in conv unit tests")
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_CONV_UNIT_TEST_RIGOROUS_SIZE_ENABLED=1)
endif()
################################################################################
#
# CUDA 10.1 introduces "mma" in PTX performing collective matrix multiply operations.
#
if (CUDA_VERSION VERSION_LESS 10.1)
set(CUTLASS_ENABLE_TENSOR_CORE_MMA_DEFAULT OFF)
else()
set(CUTLASS_ENABLE_TENSOR_CORE_MMA_DEFAULT ON)
endif()
# Trace levels for debugging
set(CUTLASS_DEBUG_TRACE_LEVEL "0" CACHE STRING "Level of debug tracing to perform.")
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_DEBUG_TRACE_LEVEL=${CUTLASS_DEBUG_TRACE_LEVEL})
set(CUTLASS_ENABLE_TENSOR_CORE_MMA ${CUTLASS_ENABLE_TENSOR_CORE_MMA_DEFAULT} CACHE BOOL
"Enable PTX mma instruction for collective matrix multiply operations.")
set(CUTLASS_ENABLE_SM90_EXTENDED_MMA_SHAPES OFF CACHE BOOL
"Enable an extended set of SM90 WGMMA instruction shapes (may lead to increased compilation times)")
if(CUTLASS_ENABLE_SM90_EXTENDED_MMA_SHAPES)
message(STATUS "Enabled extended SM90 WGMMA instruction shapes")
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTE_SM90_EXTENDED_MMA_SHAPES_ENABLED)
endif()
set(CUTLASS_SKIP_REDUCTION_INIT OFF CACHE BOOL "Disable init reduction workspace")
#
# NOTE: running with asan and CUDA requires the following environment variable:
#
# ASAN_OPTIONS=protect_shadow_gap=0:replace_intrin=0:detect_leaks=0
#
# without the above environment setting, an error like the following may be generated:
#
# *** Error: Could not detect active GPU device ID [out of memory]
# ...
# ==9149==ERROR: LeakSanitizer: detected memory leaks
# ...
#
if(ENABLE_ASAN) # https://github.com/google/sanitizers/wiki/AddressSanitizer
list(APPEND CUTLASS_CUDA_NVCC_FLAGS --compiler-options=-fsanitize=address --compiler-options=-fno-omit-frame-pointer)
string(APPEND CMAKE_EXE_LINKER_FLAGS " -fsanitize=address")
endif()
###################################################################################################
#
# Configure CUDA build options
#
###################################################################################################
if(CUTLASS_NVCC_EMBED_PTX)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS --cuda-include-ptx=all)
endif()
if (CUTLASS_SKIP_REDUCTION_INIT)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_SKIP_REDUCTION_INIT=1)
endif()
if (CUTLASS_ENABLE_TENSOR_CORE_MMA)
list(APPEND CUTLASS_CUDA_FLAGS -DCUTLASS_ENABLE_TENSOR_CORE_MMA=1)
endif()
set(CUTLASS_PROFILER_DISABLE_REFERENCE OFF CACHE BOOL "Disable compilation of reference kernels in the CUTLASS profiler.")
if (CUTLASS_PROFILER_DISABLE_REFERENCE)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -DCUTLASS_PROFILER_DISABLE_REFERENCE=1)
endif()
if (CUTLASS_ENABLE_GDC_FOR_SM90)
message(STATUS "Grid Dependency Control (GDC) is enabled for SM90 kernels (required for programmatic dependent launches).")
list(APPEND CUTLASS_CUDA_FLAGS -DCUTLASS_ENABLE_GDC_FOR_SM90=1)
endif()
if (NOT DEFINED CUTLASS_ENABLE_GDC_FOR_SM100_DEFAULT)
set(CUTLASS_ENABLE_GDC_FOR_SM100_DEFAULT ON)
endif()
set(CUTLASS_ENABLE_GDC_FOR_SM100
${CUTLASS_ENABLE_GDC_FOR_SM100_DEFAULT}
CACHE BOOL
"Enables Grid Dependency Control (GDC) for SM100 kernels (required for PDL).")
if (CUTLASS_ENABLE_GDC_FOR_SM100)
message(STATUS "Grid Dependency Control (GDC) is enabled for SM100 kernels (required for programmatic dependent launches).")
list(APPEND CUTLASS_CUDA_FLAGS -DCUTLASS_ENABLE_GDC_FOR_SM100=1)
endif()
set(CUTLASS_ENABLE_SYNCLOG OFF CACHE BOOL "Enable synchronization event logging for race condition debugging. WARNING: This redefines __syncthreads() and __syncwarp() in all downstream code!")
if (CUTLASS_ENABLE_SYNCLOG)
set(CMAKE_CUDA_SEPARABLE_COMPILATION ON)
string(APPEND CMAKE_CXX_FLAGS " -DCUTLASS_ENABLE_SYNCLOG=1")
string(APPEND CMAKE_CUDA_FLAGS " -DCUTLASS_ENABLE_SYNCLOG=1")
endif()
###################################################################################################
#
# Blackwell features
#
###################################################################################################
# Warnings-as-error exceptions and warning suppressions for Clang builds
if (CUTLASS_CLANG_HOST_COMPILE)
set(FLAGS_TO_ADD
"-Wno-error=implicit-int-conversion"
"-Wno-error=pass-failed"
"-Wno-error=inconsistent-missing-override"
"-Wno-sign-conversion"
"-Wno-unused-parameter"
)
foreach(FLAG ${FLAGS_TO_ADD})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG}")
list(APPEND CUTLASS_CUDA_NVCC_FLAGS "${FLAG}")
list(APPEND CUTLASS_CUDA_CLANG_FLAGS "${FLAG}")
endforeach()
endif()
if (NOT MSVC AND CUTLASS_NVCC_KEEP)
# MSVC flow handles caching already, but for other generators we handle it here.
set(CUTLASS_NVCC_KEEP_DIR ${CMAKE_CURRENT_BINARY_DIR}/tmp CACHE PATH "Location to store NVCC scratch files")
file(MAKE_DIRECTORY ${CUTLASS_NVCC_KEEP_DIR})
list(APPEND CUTLASS_CUDA_NVCC_FLAGS --keep -v -objtemp) # --keep-dir may not work with nvcc for some directories.
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -save-temps=${CUTLASS_NVCC_KEEP_DIR})
endif()
if (CUTLASS_ENABLE_F16C AND NOT CMAKE_CROSSCOMPILING)
list(APPEND CUTLASS_CUDA_FLAGS -DCUTLASS_ENABLE_F16C=1)
if (CUTLASS_GNU_HOST_COMPILE OR CUTLASS_CLANG_HOST_COMPILE)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=-mf16c)
elseif(CUTLASS_MSVC_HOST_COMPILE)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=/arch:AVX2)
endif()
endif()
if (CUTLASS_ENABLE_OPENMP_TESTS)
find_package(OpenMP)
if(OpenMP_CXX_FOUND)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=${OpenMP_CXX_FLAGS})
else()
message(WARNING "CUTLASS_ENABLE_OPENMP_TESTS set but OpenMP not found.")
endif()
endif()
if(UNIX)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=-Wconversion)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcompiler=-fno-strict-aliasing)
endif()
# Known ctk11.4 issue (fixed later)
# Also see https://stackoverflow.com/questions/64523302/cuda-missing-return-statement-at-end-of-non-void-function-in-constexpr-if-fun
if (CUDA_VERSION VERSION_LESS 11.5.0)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -Xcudafe "--diag_suppress=implicit_return_from_non_void_function" )
message("CUDA_VERSION check pass ${CUDA_VERSION}")
endif()
# Don't leak lineinfo in release builds
if (NOT CMAKE_BUILD_TYPE MATCHES "Release")
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -gmlt)
list(APPEND CUTLASS_CUDA_NVCC_FLAGS -lineinfo)
endif()
if (CUTLASS_CLANG_DEVICE_COMPILE)
if (NOT CUTLASS_CLANG_HOST_COMPILE)
message(FATAL_ERROR "Clang CUDA compilation requires Clang CXX compilation. Currently CMAKE_CXX_COMPILER is ${CMAKE_CXX_COMPILER_ID}" )
endif()
# There are numerous Clang versions that can work with each CUDA toolkit and the
# the checks are not very useful so we are turning them off and using testing to
# ensure the various combinations work properly.
list(APPEND CUTLASS_CUDA_CLANG_FLAGS --cuda-path=${CUDA_TOOLKIT_ROOT_DIR})
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -D__NV_NO_HOST_COMPILER_CHECK=1)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -Wno-unknown-cuda-version)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -mllvm -pragma-unroll-threshold=100000)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -mllvm -unroll-threshold=5000)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -Wno-unused-command-line-argument)
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -D__CUDACC_VER_MAJOR__=${CUDA_VERSION_MAJOR} -D__CUDACC_VER_MINOR__=${CUDA_VERSION_MINOR})
# needed for libcublasLt.so in case it's installed in the same location as libcudart.so
# dynamic linker can find it if linker sets RPATH (forced by --disable-new-tags)
# Otherwise linker uses RUNPATH and that does not propagate to loaded libs.
list(APPEND CUTLASS_CUDA_CLANG_FLAGS -Wl,--disable-new-dtags)
link_libraries(nvidia::cudart)
link_libraries(nvidia::cuda_driver)
endif()
#Report CUDA build flags
if (CUTLASS_CLANG_DEVICE_COMPILE AND CUTLASS_CUDA_CLANG_FLAGS)
set(__FLAG_GROUP Clang)
set(__FLAG_LIST CUTLASS_CUDA_CLANG_FLAGS)
else(CUTLASS_NVCC_DEVICE_COMPILE AND CUTLASS_CUDA_NVCC_FLAGS)
set(__FLAG_GROUP NVCC)
set(__FLAG_LIST CUTLASS_CUDA_NVCC_FLAGS)
endif()
set(__FLAG_DISPLAY_STRING "")
set(__FLAG_DISPLAY_SEPARATOR)
list(JOIN ${__FLAG_LIST} "\n " __FLAG_DISPLAY_STRING)
message(STATUS "Using the following ${__FLAG_GROUP} flags: \n ${__FLAG_DISPLAY_STRING}")
# Known gcc 8.1-8.3 SFINAE issue (fixed in gcc 8.4), check https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87748
# Also see https://github.com/NVIDIA/nccl/issues/835 for nvtx3.hpp
if (CUTLASS_GNU_HOST_COMPILE AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.1 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS_EQUAL 8.3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNVTX3_USE_CHECKED_OVERLOADS_FOR_GET=0")
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -DNVTX3_USE_CHECKED_OVERLOADS_FOR_GET=0")
endif()
# Support for 128-bit integers if using NVIDIA C++ compiler
if (${CMAKE_CXX_COMPILER_ID} MATCHES "PGI" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "NVHPC")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Mint128 ")
endif()
# CMake 3.18 added support for CUDA_ARCHITECTURES target property. We will use this
# property for CMake 3.18+, so we request the NEW behavior for correct compatibility.
# https://cmake.org/cmake/help/v3.18/policy/CMP0104.html#policy:CMP0104
cmake_policy(SET CMP0104 NEW)
if (MSVC)
# MSVC by default does not apply the correct __cplusplus version as specified by the C++ standard
# because MSVC is not a completely compliant implementation. This option forces MSVC to use the
# appropriate value given the requested --std option. This fixes a compilation issue mismatch
# between GCC/Clang and MSVC.
#
# error : a constexpr function cannot have a nonliteral return type "dim3"
#
# See https://developercommunity.visualstudio.com/t/msvc-incorrectly-defines-cplusplus/139261
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus")
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler /Zc:__cplusplus")
endif()
# Some tests require this build option in order to link.
if (MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler /bigobj")
endif()
function(cutlass_apply_cuda_gencode_flags TARGET)
set(options)
set(oneValueArgs)
set(multiValueArgs SM_ARCHS)
cmake_parse_arguments(_ "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (__SM_ARCHS)
set(ARCHS_ENABLED ${__SM_ARCHS})
else()
set(ARCHS_ENABLED ${CUTLASS_NVCC_ARCHS_ENABLED})
endif()
set(__CMAKE_CUDA_ARCHS)
foreach(ARCH ${ARCHS_ENABLED})
set(CODES)
if(CUTLASS_NVCC_EMBED_CUBIN)
list(APPEND __CMAKE_CUDA_ARCHS ${ARCH}-real)
endif()
if(CUTLASS_NVCC_EMBED_PTX AND NOT CUTLASS_CLANG_DEVICE_COMPILE)
# If we're using clang for device compilation, the ptx is inserted
# via another command line option and the `-virtual` flags will cause an error.
list(APPEND __CMAKE_CUDA_ARCHS ${ARCH}-virtual)
endif()
list(JOIN CODES "," CODES_STR)
endforeach()
set_property(TARGET ${TARGET} PROPERTY CUDA_ARCHITECTURES ${__CMAKE_CUDA_ARCHS})
endfunction()
# Cache the flags so they are available when the function below is called anywhere globally.
set(__CUTLASS_CUDA_FLAGS ${CUTLASS_CUDA_FLAGS} CACHE INTERNAL "")
set(__CUTLASS_CUDA_FLAGS_RELEASE ${CUTLASS_CUDA_FLAGS_RELEASE} CACHE INTERNAL "")
set(__CUTLASS_CUDA_FLAGS_RELWITHDEBINFO ${CUTLASS_CUDA_FLAGS_RELWITHDEBINFO} CACHE INTERNAL "")
set(__CUTLASS_CUDA_FLAGS_DEBUG ${CUTLASS_CUDA_FLAGS_DEBUG} CACHE INTERNAL "")
set(__CUTLASS_CUDA_CLANG_FLAGS ${CUTLASS_CUDA_CLANG_FLAGS} CACHE INTERNAL "")
set(__CUTLASS_CUDA_CLANG_FLAGS_RELEASE ${CUTLASS_CUDA_CLANG_FLAGS_RELEASE} CACHE INTERNAL "")
set(__CUTLASS_CUDA_CLANG_FLAGS_RELWITHDEBINFO ${CUTLASS_CUDA_CLANG_FLAGS_RELWITHDEBINFO} CACHE INTERNAL "")
set(__CUTLASS_CUDA_CLANG_FLAGS_DEBUG ${CUTLASS_CUDA_CLANG_FLAGS_DEBUG} CACHE INTERNAL "")
set(__CUTLASS_CUDA_NVCC_FLAGS ${CUTLASS_CUDA_NVCC_FLAGS} CACHE INTERNAL "")
set(__CUTLASS_CUDA_NVCC_FLAGS_RELEASE ${CUTLASS_CUDA_NVCC_FLAGS_RELEASE} CACHE INTERNAL "")
set(__CUTLASS_CUDA_NVCC_FLAGS_RELWITHDEBINFO ${CUTLASS_CUDA_NVCC_FLAGS_RELWITHDEBINFO} CACHE INTERNAL "")
set(__CUTLASS_CUDA_NVCC_FLAGS_DEBUG ${CUTLASS_CUDA_NVCC_FLAGS_DEBUG} CACHE INTERNAL "")
function(cutlass_apply_standard_compile_options TARGET)
if(CUTLASS_CLANG_DEVICE_COMPILE)
set(CUDA_COMPILE_LANGUAGE CUDA)
set(_FLAGS ${__CUTLASS_CUDA_FLAGS} ${__CUTLASS_CUDA_CLANG_FLAGS})
set(_FLAGS_RELEASE ${__CUTLASS_CUDA_FLAGS_RELEASE} ${__CUTLASS_CUDA_CLANG_FLAGS_RELEASE})
set(_FLAGS_RELWITHDEBINFO ${__CUTLASS_CUDA_FLAGS_RELWITHDEBINFO} ${__CUTLASS_CUDA_CLANG_FLAGS_RELWITHDEBINFO})
set(_FLAGS_DEBUG ${__CUTLASS_CUDA_FLAGS_DEBUG} ${__CUTLASS_CUDA_CLANG_FLAGS_DEBUG})
else()
set(CUDA_COMPILE_LANGUAGE CUDA)
set(_FLAGS ${__CUTLASS_CUDA_FLAGS} ${__CUTLASS_CUDA_NVCC_FLAGS})
set(_FLAGS_RELEASE ${__CUTLASS_CUDA_FLAGS_RELEASE} ${__CUTLASS_CUDA_NVCC_FLAGS_RELEASE})
set(_FLAGS_RELWITHDEBINFO ${__CUTLASS_CUDA_FLAGS_RELWITHDEBINFO} ${__CUTLASS_CUDA_NVCC_FLAGS_RELWITHDEBINFO})
set(_FLAGS_DEBUG ${__CUTLASS_CUDA_FLAGS_DEBUG} ${__CUTLASS_CUDA_NVCC_FLAGS_DEBUG})
endif()
target_link_libraries(${TARGET} PRIVATE CUTLASS)
target_compile_options(
${TARGET}
PRIVATE
$<$<COMPILE_LANGUAGE:${CUDA_COMPILE_LANGUAGE}>:${_FLAGS}>
$<$<COMPILE_LANGUAGE:${CUDA_COMPILE_LANGUAGE}>:$<$<CONFIG:RELEASE>:${_FLAGS_RELEASE}>>
$<$<COMPILE_LANGUAGE:${CUDA_COMPILE_LANGUAGE}>:$<$<CONFIG:RELWITHDEBINFO>:${_FLAGS_RELWITHDEBINFO}>>
$<$<COMPILE_LANGUAGE:${CUDA_COMPILE_LANGUAGE}>:$<$<CONFIG:DEBUG>:${_FLAGS_DEBUG}>>
)
endfunction()
#
# The following items should eventually be pushed into cutlass/CMakeLists.txt
#
# GLOB for CUTLASS header files. Should we use a static list instead?
file(GLOB_RECURSE CUTLASS_INCLUDE RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} include/cutlass/*.h)
file(GLOB_RECURSE CUTLASS_CUTLASS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/include include/cutlass/*.h include/cutlass/*.hpp include/cutlass/*.inl)
file(GLOB_RECURSE CUTLASS_CUTE RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/include include/cute/*.h*)
file(GLOB_RECURSE CUTLASS_NVRTC RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/test test/unit/nvrtc/kernel/*.h)
###################################################################################################
#
# Define build targets
#
###################################################################################################
source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR}/include REGULAR_EXPRESSION ".*\.h")
add_library(CUTLASS INTERFACE)
add_library(nvidia::cutlass::cutlass ALIAS CUTLASS)
set_target_properties(CUTLASS PROPERTIES EXPORT_NAME cutlass)
set(CUTLASS_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE PATH "CUTLASS Header Library")
set(CUTLASS_GENERATOR_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tools/library CACHE INTERNAL "Location of generator scripts")
# The following utility directory is needed even if the tools build is disabled, so it exists here.
set(CUTLASS_TOOLS_UTIL_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tools/util/include CACHE INTERNAL "")
include_directories(${CUTLASS_INCLUDE_DIR})
target_compile_features(CUTLASS INTERFACE cxx_std_11)
if (NOT CUTLASS_NAMESPACE STREQUAL "cutlass")
target_compile_definitions(CUTLASS INTERFACE CUTLASS_NAMESPACE=${CUTLASS_NAMESPACE})
endif()
if (NOT DEFINED CUTLASS_REVISION)
find_package(Git QUIET)
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
RESULT_VARIABLE CUTLASS_REVISION_RESULT
OUTPUT_VARIABLE CUTLASS_REVISION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (CUTLASS_REVISION_RESULT)
message(STATUS "CUTLASS Revision: Unable to detect, Git returned code ${CUTLASS_REVISION_RESULT}.")
else()
message(STATUS "CUTLASS Revision: ${CUTLASS_REVISION}")
endif()
endif()
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/version_extended.h.in
${CMAKE_CURRENT_BINARY_DIR}/include/cutlass/version_extended.h
@ONLY)
target_include_directories(
CUTLASS
INTERFACE
$<INSTALL_INTERFACE:include>
$<BUILD_INTERFACE:${CUTLASS_INCLUDE_DIR}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
)
# Mark CTK headers as system to supress warnings from them
target_include_directories(
CUTLASS
SYSTEM INTERFACE
$<BUILD_INTERFACE:${CUDA_TOOLKIT_ROOT_DIR}/include>
)
install(
DIRECTORY
${CUTLASS_INCLUDE_DIR}/
${CMAKE_CURRENT_BINARY_DIR}/include/
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)
install(
TARGETS CUTLASS
EXPORT NvidiaCutlass
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)
################################################################################
# Doxygen is available. Generate documentation
if (DOXYGEN_FOUND)
# DOT is available. Enable graph generation in the documentation
if (DOXYGEN_DOT_EXECUTABLE)
set(CUTLASS_ENABLE_DOXYGEN_DOT ON CACHE BOOL "Use dot to generate graphs in the doxygen documentation.")
else()
set(CUTLASS_ENABLE_DOXYGEN_DOT OFF CACHE BOOL "Use dot to generate graphs in the doxygen documentation." FORCE)
endif()
if (CUTLASS_ENABLE_DOXYGEN_DOT)
set(HAVE_DOT "YES")
else()
set(HAVE_DOT "NO")
endif()
# Add custom target for Doxygen.
add_custom_target(cutlass_docs ${CMAKE_COMMAND} -E env
"DOT_PATH=${DOXYGEN_DOT_EXECUTABLE}"
"HAVE_DOT=${HAVE_DOT}"
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
VERBATIM
)
endif()
if(NOT (WIN32 OR CUTLASS_ENABLE_SYCL OR CUTLASS_CLANG_DEVICE_COMPILE))
# Add common library search paths so executables and libraries can load and run
# without LD_LIBRARY_PATH being set.
link_libraries(
"-Wl,-rpath,'$ORIGIN'"
"-Wl,-rpath,'$ORIGIN/../lib64'"
"-Wl,-rpath,'$ORIGIN/../lib'"
"-Wl,-rpath,'${CUDA_TOOLKIT_ROOT_DIR}/lib64'"
"-Wl,-rpath,'${CUDA_TOOLKIT_ROOT_DIR}/lib'"
${CMAKE_DL_LIBS}
)
endif()
################################################################################
include(CTest)
enable_testing()
if (CUTLASS_ENABLE_GTEST_UNIT_TESTS)
if (CUTLASS_USE_SYSTEM_GOOGLETEST)
find_package(GTest REQUIRED)
else()
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/googletest.cmake)
endif()
endif()
if (NOT TARGET test_all)
add_custom_target(test_all)
endif()
set(CUTLASS_INSTALL_TESTS ON CACHE BOOL "Install test executables")
set(CUTLASS_TEST_EXECUTION_ENVIRONMENT "" CACHE BOOL "Environment in which to invoke unit test executables")
set(CMAKE_TEST_INSTALL_PREFIX test CACHE STRING "Test root install location, relative to CMAKE_INSTALL_PREFIX.")
set(CUTLASS_TEST_INSTALL_PREFIX ${CMAKE_TEST_INSTALL_PREFIX}/cutlass CACHE STRING "Test root install location, relative to CMAKE_INSTALL_PREFIX.")
set(CUTLASS_TEST_INSTALL_BINDIR ${CUTLASS_TEST_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR} CACHE STRING "Test root install location, relative to CMAKE_INSTALL_PREFIX.")
set(CUTLASS_TEST_INSTALL_LIBDIR ${CUTLASS_TEST_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR} CACHE STRING "Test root install location, relative to CMAKE_INSTALL_PREFIX.")
install(DIRECTORY DESTINATION ${CUTLASS_TEST_INSTALL_PREFIX})
install(DIRECTORY DESTINATION ${CUTLASS_TEST_INSTALL_BINDIR})
install(DIRECTORY DESTINATION ${CUTLASS_TEST_INSTALL_LIBDIR})
install(DIRECTORY DESTINATION ${CUTLASS_TEST_INSTALL_PREFIX}/ctest)
################################################################################
set(CUTLASS_ENABLE_CUBLAS OFF CACHE BOOL "cuBLAS usage for tests")
set(CUTLASS_ENABLE_CUDNN OFF CACHE BOOL "cuDNN usage for tests")
include(${CMAKE_CURRENT_SOURCE_DIR}/cuBLAS.cmake)
if (CUTLASS_ENABLE_CUBLAS)
target_compile_definitions(CUTLASS INTERFACE CUTLASS_ENABLE_CUBLAS=1)
endif()
include(${CMAKE_CURRENT_SOURCE_DIR}/cuDNN.cmake)
if (CUTLASS_ENABLE_CUDNN)
target_compile_definitions(CUTLASS INTERFACE CUTLASS_ENABLE_CUDNN=1)
endif()
################################################################################
set(CUTLASS_DEFAULT_ACTIVE_TEST_SETS "default" CACHE STRING "Default
activated test sets. In `make test` mode, this string determines the
active set of tests. In `ctest` mode, this value can be overriden
with CUTLASS_TEST_SETS environment variable when running the ctest
executable.")
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}")
set(CUTLASS_CTEST_TEMPLATE_FILE ${CMAKE_CURRENT_LIST_DIR}/cmake/CTestTestfile.configure.cmake)
set(CUTLASS_CTEST_GENERATED_FILES "" CACHE INTERNAL "")
function(cutlass_add_executable_tests NAME TARGET)
#
# Generates test rules for `make test`, `make test_all`, and `ctest` invoked from either the
# <CMAKE_BINARY_DIR> or the <CMAKE_INSTALL_PREFIX>/<CUTLASS_TEST_INSTALL_PREFIX> after installation.
#
# NAME: The base name for the test. Can be run with `make <NAME>` or `ctest -R 'c<NAME>'`.
# TARGET: The target corresponding to the executable under test.
# DISABLE_EXECUTABLE_INSTALL_RULE: An option, if given, that disables creating an install rule for TARGET.
# DEPENDS: A list of targets or files on which this test is dependent.
# DEPENDEES: A list of targets which should depend on this test.
# TEST_COMMAND_OPTIONS: A list of variables (i.e. by reference params) which contain command line arguments
# to pass to the test executable. A unique test is generated for each set of
# options given. If this option is not used, a single test with no arguments is generated.
# TEST_COMMAND_OPTIONS_PREFIX: If provided, is added as a prefix to each TEST_COMMAND_OPTIONS value for
# generating the full variable name to be referenced.
# RESULT_CACHE_FILE: A file to be installed alongside the test executable with pre-computed
# test results to speed up test runtime.
# TEST_SETS_SUPPORTED: A list of test set names these tests support.
#
set(options DISABLE_EXECUTABLE_INSTALL_RULE DO_NOT_LOWERCASE_TEST_NAME)
set(oneValueArgs DISABLE_TESTS RESULT_CACHE_FILE TEST_COMMAND_OPTIONS_PREFIX)
set(multiValueArgs DEPENDS DEPENDEES TEST_COMMAND_OPTIONS TEST_SETS_SUPPORTED)
cmake_parse_arguments(_ "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (NOT DEFINED __DISABLE_TESTS)
set(__DISABLE_TESTS OFF)
endif()
set(TEST_EXE $<TARGET_FILE_NAME:${TARGET}>)
set(TEST_EXE_WORKING_DIRECTORY ./${CMAKE_INSTALL_BINDIR})
if (NOT DEFINED __TEST_SETS_SUPPORTED)
set(__TEST_SETS_SUPPORTED ${CUTLASS_DEFAULT_ACTIVE_TEST_SETS})
endif()
set(TEST_SETS_SUPPORTED ${__TEST_SETS_SUPPORTED})
if (__RESULT_CACHE_FILE)
add_custom_command(
TARGET ${TARGET}
POST_BUILD
COMMAND ${CMAKE_COMMAND}
ARGS -E copy ${__RESULT_CACHE_FILE} "$<TARGET_FILE_DIR:${TARGET}>"
)
endif()
if (NOT __DISABLE_EXECUTABLE_INSTALL_RULE AND CUTLASS_INSTALL_TESTS)
# file(RELATIVE_PATH CMAKE_CURRENT_BINARY_RELATIVE_DIR ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
install(
TARGETS ${TARGET}
RUNTIME DESTINATION ${CUTLASS_TEST_INSTALL_BINDIR}
)
if (__RESULT_CACHE_FILE)
install(
FILES ${__RESULT_CACHE_FILE}
DESTINATION ${CUTLASS_TEST_INSTALL_BINDIR}/
)
endif()
endif()
if (NOT __TEST_COMMAND_OPTIONS)
set(__TEST_COMMAND_OPTIONS " ")
endif()
list(LENGTH __TEST_COMMAND_OPTIONS CMD_COUNT)
if (CMD_COUNT GREATER 1)
add_custom_target(${NAME} DEPENDS ${TARGET} ${__DEPENDS})
foreach(DEPENDEE ${__DEPENDEES})
add_dependencies(${DEPENDEE} ${NAME})
endforeach()
endif()
if (CUTLASS_INSTALL_TESTS)
set(_INLINE_PER_TEST_CODE)
file(READ "${PROJECT_SOURCE_DIR}/cmake/CTestTestfile.test.configure.cmake" _INLINE_PER_TEST_CODE_TEMPLATE)
endif()
set(TEST_GROUP_NAME ${NAME})
# To run the tests from an install package with tests enabled, we need to generate test files
# that don't rely on the current directory structure in build.
set(TEST_NAME c${NAME})
set(TEST_GEN_DIR ${CMAKE_CURRENT_BINARY_DIR}/ctest/${TEST_NAME})
file(MAKE_DIRECTORY ${TEST_GEN_DIR})
set(TEST_EXE_PATH $<TARGET_FILE:${TARGET}>)
set(TEST_USE_EXTENDED_FORMAT ON)
configure_file("${CUTLASS_CTEST_TEMPLATE_FILE}" "${TEST_GEN_DIR}/CTestTestfile.${TEST_NAME}.cmake" @ONLY)
set(TEST_EXE_PATH $<TARGET_FILE_NAME:${TARGET}>)
set(TEST_USE_EXTENDED_FORMAT OFF) # ctest does not support extended add_test format.
configure_file("${CUTLASS_CTEST_TEMPLATE_FILE}" "${TEST_GEN_DIR}/CTestTestfile.${TEST_NAME}.install.cmake.in" @ONLY)
foreach(CMD_OPTIONS_VAR IN LISTS __TEST_COMMAND_OPTIONS)
if (CMD_COUNT GREATER 1)
set(TESTCASE_NAME "${NAME}_${CMD_OPTIONS_VAR}")
else()
set(TESTCASE_NAME "${NAME}")
endif()
if (NOT __DO_NOT_LOWERCASE_TEST_NAME)
string(TOLOWER "${TESTCASE_NAME}" TESTCASE_NAME)
endif()
# The following rigmarole is needed to deal with spaces and possible quotes in
# command line arguments. The options are passed "by reference" as the actual