mirror of
https://github.com/Serial-Studio/Serial-Studio.git
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102 lines
3.9 KiB
CMake
102 lines
3.9 KiB
CMake
#
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# Copyright (c) 2024 Alex Spataru <https://github.com/alex-spataru>
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#
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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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#
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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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#
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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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cmake_minimum_required(VERSION 3.19)
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add_library(simde INTERFACE)
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target_include_directories(simde INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
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#
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# ARM64 processor optimizations
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#
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if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(arm|aarch64)")
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message(STATUS "Detected ARM architecture")
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-mfpu=neon" COMPILER_SUPPORTS_NEON)
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check_cxx_compiler_flag("-march=armv8-a+simd" COMPILER_SUPPORTS_ARMV8_SIMD)
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if(COMPILER_SUPPORTS_ARMV8_SIMD)
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add_compile_options(-march=armv8-a+simd)
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message(STATUS "Using ARMv8 Advanced SIMD optimizations")
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elseif(COMPILER_SUPPORTS_NEON)
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add_compile_options(-mfpu=neon)
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message(STATUS "Using ARM NEON optimizations")
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else()
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message(WARNING "No SIMD support detected on ARM; falling back to portable mode")
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add_compile_definitions(SIMDE_NO_NATIVE)
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endif()
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#
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# Intel/AMD processor optimizations
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#
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elseif(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(x86|x86_64|AMD64)")
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message(STATUS "Detected x86 architecture")
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if(CMAKE_C_COMPILER_ID STREQUAL "Intel" OR CMAKE_C_COMPILER_ID STREQUAL "IntelLLVM")
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add_compile_options(-msse2 -mavx -mavx2)
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message(STATUS "Enabled SSE2, AVX, and AVX2 optimizations for Intel Compiler")
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elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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add_compile_options(-msse2 -mavx -mavx2)
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message(STATUS "Enabled SSE2, AVX, and AVX2 optimizations for GCC/Clang")
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elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
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add_compile_options(/arch:AVX2)
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message(STATUS "Enabled AVX2 optimizations for MSVC")
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else()
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message(WARNING "Unknown compiler on x86; falling back to portable mode")
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add_compile_definitions(SIMDE_NO_NATIVE)
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endif()
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#
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# Emulate SIMD instructions on unknown processors
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#
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else()
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message(WARNING "Unknown architecture; enabling portable fallback")
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add_compile_definitions(SIMDE_NO_NATIVE)
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endif()
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#
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# Enable OpenMP SIMD support globally
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#
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find_package(OpenMP QUIET)
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if(OpenMP_CXX_FOUND)
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if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
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add_compile_options(/openmp:experimental)
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elseif(CMAKE_C_COMPILER_ID STREQUAL "IntelLLVM")
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add_compile_options(-qopenmp-simd)
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else()
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add_compile_options(${OpenMP_CXX_FLAGS})
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endif()
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add_compile_definitions(SIMDE_ENABLE_OPENMP)
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message(STATUS "OpenMP SIMD support enabled globally")
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else()
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message(WARNING "OpenMP not found; SIMD performance may be suboptimal")
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endif()
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#
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# Fall-back to SIMD emulation on unknown compilers
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#
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if(NOT (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Intel" OR CMAKE_C_COMPILER_ID STREQUAL "IntelLLVM"))
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message(WARNING "Unknown compiler; using portable fallback")
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add_compile_definitions(SIMDE_NO_NATIVE)
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endif()
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