slick-orderbook/benchmarks/CMakeLists.txt at main · SlickQuant/slick-orderbook · GitHub

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# Google Benchmark
include(FetchContent)
FetchContent_Declare(
    benchmark
    GIT_REPOSITORY https://github.com/google/benchmark.git
    GIT_TAG v1.8.3
)

# Disable benchmark tests
set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "" FORCE)

FetchContent_MakeAvailable(benchmark)

# Common benchmark settings
add_compile_options(
    $<$<CONFIG:Release>:-DNDEBUG>
)

# Suppress MSVC warnings for benchmarks (intentional in benchmark code)
if(MSVC)
    add_compile_options(
        /wd4834  # Suppress C4834: discarding return value with [[nodiscard]] (intentional in benchmarks)
    )
endif()

# All benchmarks use public headers only (detail headers now public)
set(BENCHMARK_INCLUDE_DIRS
    # Empty - all headers are now in public include/
)

# Benchmark executables
add_executable(bench_orderbook_l2 bench_orderbook_l2.cpp)
target_link_libraries(bench_orderbook_l2 PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_orderbook_l2 PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_orderbook_l3 bench_orderbook_l3.cpp)
target_link_libraries(bench_orderbook_l3 PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_orderbook_l3 PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_orderbook_manager bench_orderbook_manager.cpp)
target_link_libraries(bench_orderbook_manager PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_orderbook_manager PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_observer_overhead bench_observer_overhead.cpp)
target_link_libraries(bench_observer_overhead PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_observer_overhead PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_memory_usage bench_memory_usage.cpp)
target_link_libraries(bench_memory_usage PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_memory_usage PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_market_replay bench_market_replay.cpp)
target_link_libraries(bench_market_replay PRIVATE slick::orderbook benchmark::benchmark)
target_include_directories(bench_market_replay PRIVATE ${BENCHMARK_INCLUDE_DIRS})

add_executable(bench_cache_alignment bench_cache_alignment.cpp)
target_link_libraries(bench_cache_alignment PRIVATE slick::orderbook benchmark::benchmark)
# All headers now public
target_include_directories(bench_cache_alignment PRIVATE
    ${CMAKE_SOURCE_DIR}/include
)

# Set linker language to C++ for all benchmarks (needed for LTO with header-only mode)
set_target_properties(
    bench_orderbook_l2
    bench_orderbook_l3
    bench_orderbook_manager
    bench_observer_overhead
    bench_memory_usage
    bench_market_replay
    bench_cache_alignment
    PROPERTIES
    LINKER_LANGUAGE CXX
)

# Custom benchmark runner for all benchmarks
add_custom_target(run_benchmarks
    COMMAND bench_orderbook_l2 --benchmark_out=bench_l2.json --benchmark_out_format=json
    COMMAND bench_orderbook_l3 --benchmark_out=bench_l3.json --benchmark_out_format=json
    COMMAND bench_orderbook_manager --benchmark_out=bench_manager.json --benchmark_out_format=json
    COMMAND bench_observer_overhead --benchmark_out=bench_observer.json --benchmark_out_format=json
    COMMAND bench_memory_usage --benchmark_out=bench_memory.json --benchmark_out_format=json
    COMMAND bench_market_replay --benchmark_out=bench_market_replay.json --benchmark_out_format=json
    COMMAND bench_cache_alignment --benchmark_out=bench_cache_alignment.json --benchmark_out_format=json
    DEPENDS bench_orderbook_l2 bench_orderbook_l3 bench_orderbook_manager
            bench_observer_overhead bench_memory_usage bench_market_replay bench_cache_alignment
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
    COMMENT "Running all benchmarks..."
)