organicmaps/fast_double_parser
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Daniel Lemire 2024-03-18 10:01:21 -04:00
parent ca05d13e26
commit b92d89b2c4
2 changed files with 29 additions and 20 deletions
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47
CMakeLists.txt
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@ -66,27 +66,36 @@ endif()
option(FAST_DOUBLE_BENCHMARKS "include benchmarks" OFF)
function(initialize_submodule DIRECTORY)
if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${DIRECTORY}/.git)
find_package(Git QUIET REQUIRED)
message(STATUS "${CMAKE_CURRENT_SOURCE_DIR}/${DIRECTORY}/.git does not exist. Initializing ${DIRECTORY} submodule ...")
execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init ${CMAKE_CURRENT_SOURCE_DIR}/${DIRECTORY}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE GIT_EXIT_CODE)
if(NOT GIT_EXIT_CODE EQUAL "0")
message(FATAL_ERROR "${GIT_EXECUTABLE} submodule update --init dependencies/${DIRECTORY} failed with exit code ${GIT_EXIT_CODE}, please checkout submodules")
endif()
endif()
endfunction(initialize_submodule)
if(FAST_DOUBLE_BENCHMARKS)
initialize_submodule(benchmarks/dependencies/abseil-cpp)
initialize_submodule(benchmarks/dependencies/double-conversion)
add_subdirectory(benchmarks/dependencies/abseil-cpp)
add_subdirectory(benchmarks/dependencies/double-conversion)
include(FetchContent)
include(ExternalProject)
add_executable(benchmark ${benchmark_src})
target_link_libraries(benchmark PUBLIC double-conversion absl_strings)
target_include_directories(benchmark PUBLIC include)
set(ABSL_ENABLE_INSTALL ON)
set(ABSL_RUN_TEST OFF CACHE INTERNAL "")
set(ABSL_USE_GOOGLETEST_HEAD OFF CACHE INTERNAL "")
FetchContent_Declare(abseil
GIT_REPOSITORY https://github.com/abseil/abseil-cpp.git
GIT_TAG "20210324.2")
FetchContent_GetProperties(abseil)
if(NOT abseil_POPULATED)
set(BUILD_TESTING OFF)
FetchContent_Populate(abseil)
add_subdirectory(${abseil_SOURCE_DIR} ${abseil_BINARY_DIR})
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${abseil_SOURCE_DIR}/absl/copts)
include(${abseil_SOURCE_DIR}/absl/copts/AbseilConfigureCopts.cmake)
endif()
FetchContent_Declare(doubleconversion
GIT_REPOSITORY https://github.com/google/double-conversion.git
GIT_TAG "v3.1.5")
FetchContent_GetProperties(doubleconversion)
FetchContent_MakeAvailable(doubleconversion)
add_executable(benchmark ${benchmark_src})
target_link_libraries(benchmark PUBLIC double-conversion absl::strings)
target_include_directories(benchmark PUBLIC include)
endif(FAST_DOUBLE_BENCHMARKS)

2
benchmarks/benchmark.cpp
View file

@ -20,7 +20,7 @@
#include <vector>
#include "double-conversion/ieee.h"
#include "double-conversion/string-to-double.h"
#include "double-conversion/double-conversion.h"
double findmax_fast_double_parser(const std::vector<std::string>& s) {
double answer = 0;