cmake_minimum_required(VERSION 3.21)

add_executable(bench_pipeline bench_pipeline.cpp)
target_link_libraries(bench_pipeline PRIVATE kpn)
target_compile_options(bench_pipeline PRIVATE -O3 -march=native)

# Dispatch microbenchmark (PERF_PLAN B1/B2): ns per ThreadPool dispatch, and
# whether a worker actually sleeps per task. No TBB comparison — it measures
# KPN's own scheduler, not a competitor.
add_executable(bench_dispatch bench_dispatch.cpp)
target_link_libraries(bench_dispatch PRIVATE kpn)
target_compile_options(bench_dispatch PRIVATE -O3 -march=native)

find_package(TBB QUIET)
if(TBB_FOUND)
    target_link_libraries(bench_pipeline PRIVATE TBB::tbb)
    target_compile_definitions(bench_pipeline PRIVATE KPN_BENCH_TBB=1)
    message(STATUS "TBB found — enabling TBB benchmarks")
else()
    message(STATUS "TBB not found — TBB benchmarks disabled")
endif()