gnu: Add FP16.
* gnu/packages/patches/fp16-system-libraries.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/maths.scm (fp16): New variable.
This commit is contained in:
Ludovic Courtès
Ludovic Courtès
parent
065d45e8a1
commit
1daa662722
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@ -1028,6 +1028,7 @@ dist_patch_DATA = \
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%D%/packages/patches/foomatic-filters-CVE-2015-8327.patch \
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%D%/packages/patches/foomatic-filters-CVE-2015-8560.patch \
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%D%/packages/patches/fontconfig-hurd-path-max.patch \
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%D%/packages/patches/fp16-system-libraries.patch \
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%D%/packages/patches/fpc-reproducibility.patch \
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%D%/packages/patches/fplll-std-fenv.patch \
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%D%/packages/patches/freedink-engine-fix-sdl-hints.patch \
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@ -6688,3 +6688,33 @@ multiplication. FXdiv implements an algorithm to replace an integer division
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with a multiplication and two shifts. This algorithm improves performance
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when an application performs repeated divisions by the same divisor.")
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(license license:expat))))
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(define-public fp16
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;; There is currently no tag in this repo.
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(let ((commit "0a92994d729ff76a58f692d3028ca1b64b145d91")
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(version "0.0")
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(revision "1"))
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(package
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(name "fp16")
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(version (git-version version revision commit))
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(home-page "https://github.com/Maratyszcza/FP16")
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(source (origin
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(method git-fetch)
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(uri (git-reference (url home-page) (commit commit)))
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(file-name (git-file-name name version))
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(sha256
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(base32
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"05mm4vrxsac35hjf5djif9r6rdxj9ippg97ia3p6q6b8lrp7srwv"))
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(patches (search-patches "fp16-system-libraries.patch"))))
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(build-system cmake-build-system)
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(native-inputs
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`(("python-wrapper" ,python-wrapper)))
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(inputs
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`(("psimd" ,psimd)
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("googletest" ,googletest)
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("googlebenchmark" ,googlebenchmark)))
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(synopsis "C++ library for half-precision floating point formats")
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(description
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"This header-only C++ library implements conversion to and from
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half-precision floating point formats.")
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(license license:expat))))
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@ -0,0 +1,105 @@
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This patch allows the build process to use the provided dependencies instead
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of adding their source as CMake sub-directories (in which case "make install"
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would install googletest's and googlebenchmark's libraries and headers).
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 5e7d127..4b269b9 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -28,7 +28,7 @@ MACRO(FP16_TARGET_ENABLE_CXX11 target)
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ENDMACRO()
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# ---[ Download deps
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-IF(NOT DEFINED PSIMD_SOURCE_DIR)
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+IF(FALSE)
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MESSAGE(STATUS "Downloading PSimd to ${CMAKE_BINARY_DIR}/psimd-source (define PSIMD_SOURCE_DIR to avoid it)")
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CONFIGURE_FILE(cmake/DownloadPSimd.cmake "${CMAKE_BINARY_DIR}/psimd-download/CMakeLists.txt")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
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@@ -38,7 +38,7 @@ IF(NOT DEFINED PSIMD_SOURCE_DIR)
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SET(PSIMD_SOURCE_DIR "${CMAKE_BINARY_DIR}/psimd-source" CACHE STRING "PSimd source directory")
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ENDIF()
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-IF(FP16_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
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+IF(FALSE)
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MESSAGE(STATUS "Downloading Google Test to ${CMAKE_BINARY_DIR}/googletest-source (define GOOGLETEST_SOURCE_DIR to avoid it)")
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CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CMAKE_BINARY_DIR}/googletest-download/CMakeLists.txt")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
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@@ -48,7 +48,7 @@ IF(FP16_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
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SET(GOOGLETEST_SOURCE_DIR "${CMAKE_BINARY_DIR}/googletest-source" CACHE STRING "Google Test source directory")
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ENDIF()
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-IF(FP16_BUILD_BENCHMARKS AND NOT DEFINED GOOGLEBENCHMARK_SOURCE_DIR)
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+IF(FALSE)
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MESSAGE(STATUS "Downloading Google Benchmark to ${CMAKE_BINARY_DIR}/googlebenchmark-source (define GOOGLEBENCHMARK_SOURCE_DIR to avoid it)")
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CONFIGURE_FILE(cmake/DownloadGoogleBenchmark.cmake "${CMAKE_BINARY_DIR}/googlebenchmark-download/CMakeLists.txt")
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EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
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@@ -84,22 +84,7 @@ INSTALL(FILES
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include/fp16/avx2.py
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/fp16)
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-# ---[ Configure psimd
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-IF(NOT TARGET psimd)
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- ADD_SUBDIRECTORY(
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- "${PSIMD_SOURCE_DIR}"
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- "${CMAKE_BINARY_DIR}/psimd")
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-ENDIF()
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-
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IF(FP16_BUILD_TESTS)
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- # ---[ Build google test
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- IF(NOT TARGET gtest)
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- SET(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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- ADD_SUBDIRECTORY(
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- "${GOOGLETEST_SOURCE_DIR}"
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- "${CMAKE_BINARY_DIR}/googletest")
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- ENDIF()
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-
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# ---[ Build FP16 unit tests
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ADD_EXECUTABLE(ieee-to-fp32-bits-test test/ieee-to-fp32-bits.cc test/tables.cc)
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TARGET_INCLUDE_DIRECTORIES(ieee-to-fp32-bits-test PRIVATE test)
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@@ -137,40 +122,32 @@ IF(FP16_BUILD_TESTS)
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ENDIF()
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IF(FP16_BUILD_BENCHMARKS)
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- # ---[ Build google benchmark
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- IF(NOT TARGET benchmark)
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- SET(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "")
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- ADD_SUBDIRECTORY(
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- "${GOOGLEBENCHMARK_SOURCE_DIR}"
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- "${CMAKE_BINARY_DIR}/googlebenchmark")
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- ENDIF()
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-
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# ---[ Build FP16 benchmarks
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ADD_EXECUTABLE(ieee-element-bench bench/ieee-element.cc)
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TARGET_COMPILE_DEFINITIONS(ieee-element-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
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TARGET_INCLUDE_DIRECTORIES(ieee-element-bench PRIVATE ${PROJECT_SOURCE_DIR})
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- TARGET_LINK_LIBRARIES(ieee-element-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(ieee-element-bench fp16 benchmark)
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ADD_EXECUTABLE(alt-element-bench bench/alt-element.cc)
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- TARGET_LINK_LIBRARIES(alt-element-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(alt-element-bench fp16 benchmark)
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ADD_EXECUTABLE(from-ieee-array-bench bench/from-ieee-array.cc)
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FP16_TARGET_ENABLE_CXX11(from-ieee-array-bench)
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TARGET_COMPILE_DEFINITIONS(from-ieee-array-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
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TARGET_INCLUDE_DIRECTORIES(from-ieee-array-bench PRIVATE ${PROJECT_SOURCE_DIR})
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- TARGET_LINK_LIBRARIES(from-ieee-array-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(from-ieee-array-bench fp16 benchmark)
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ADD_EXECUTABLE(from-alt-array-bench bench/from-alt-array.cc)
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FP16_TARGET_ENABLE_CXX11(from-alt-array-bench)
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- TARGET_LINK_LIBRARIES(from-alt-array-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(from-alt-array-bench fp16 benchmark)
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ADD_EXECUTABLE(to-ieee-array-bench bench/to-ieee-array.cc)
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FP16_TARGET_ENABLE_CXX11(to-ieee-array-bench)
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TARGET_COMPILE_DEFINITIONS(to-ieee-array-bench PRIVATE FP16_COMPARATIVE_BENCHMARKS=1)
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TARGET_INCLUDE_DIRECTORIES(to-ieee-array-bench PRIVATE ${PROJECT_SOURCE_DIR})
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- TARGET_LINK_LIBRARIES(to-ieee-array-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(to-ieee-array-bench fp16 benchmark)
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ADD_EXECUTABLE(to-alt-array-bench bench/to-alt-array.cc)
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FP16_TARGET_ENABLE_CXX11(to-alt-array-bench)
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- TARGET_LINK_LIBRARIES(to-alt-array-bench fp16 psimd benchmark)
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+ TARGET_LINK_LIBRARIES(to-alt-array-bench fp16 benchmark)
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ENDIF()
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