websocket optimization and benchmarking

benchmarks/CMakeLists.txt

@@ -119,3 +119,6 @@ target_compile_options(ordered_map_memory PRIVATE
 
 # HTTP server benchmark: Glaze vs Boost.Beast
 add_subdirectory(http_benchmark)
+
+# WebSocket benchmark: Glaze vs uWebSockets
+add_subdirectory(ws_benchmark)

benchmarks/ws_benchmark/CMakeLists.txt

@@ -0,0 +1,65 @@
+project(ws_benchmark)
+
+# uWebSockets uses epoll/kqueue — not available on Windows
+if(WIN32)
+    message(STATUS "[bench] WebSocket benchmark not supported on Windows — skipping")
+    return()
+endif()
+
+find_package(Boost QUIET CONFIG)
+if(NOT Boost_FOUND)
+    message(STATUS "[bench] Boost not found — skipping WebSocket benchmark (requires Boost.Beast client)")
+    return()
+endif()
+
+include(FetchContent)
+
+# Download uWebSockets and uSockets sources (Makefile projects, no CMakeLists.txt)
+FetchContent_Declare(uWebSockets
+  GIT_REPOSITORY https://github.com/uNetworking/uWebSockets.git
+  GIT_TAG v20.76.0
+  GIT_SHALLOW TRUE
+)
+FetchContent_Declare(uSockets
+  GIT_REPOSITORY https://github.com/uNetworking/uSockets.git
+  GIT_TAG v0.8.8
+  GIT_SHALLOW TRUE
+)
+
+set(FETCHCONTENT_QUIET OFF)
+FetchContent_MakeAvailable(uWebSockets uSockets)
+
+# Build uSockets as static library (no SSL, no libuv — raw kqueue/epoll)
+add_library(uSockets_static STATIC
+  ${usockets_SOURCE_DIR}/src/bsd.c
+  ${usockets_SOURCE_DIR}/src/context.c
+  ${usockets_SOURCE_DIR}/src/loop.c
+  ${usockets_SOURCE_DIR}/src/socket.c
+  ${usockets_SOURCE_DIR}/src/eventing/epoll_kqueue.c
+)
+target_include_directories(uSockets_static PUBLIC ${usockets_SOURCE_DIR}/src)
+target_compile_definitions(uSockets_static PUBLIC LIBUS_NO_SSL)
+target_compile_options(uSockets_static PRIVATE -O3 -w)
+
+# uWebSockets header-only interface
+add_library(uWebSockets_headers INTERFACE)
+target_include_directories(uWebSockets_headers INTERFACE ${uwebsockets_SOURCE_DIR}/src)
+target_link_libraries(uWebSockets_headers INTERFACE uSockets_static)
+target_compile_definitions(uWebSockets_headers INTERFACE UWS_NO_ZLIB)
+
+# Benchmark executable
+add_executable(ws_benchmark ws_benchmark.cpp)
+target_link_libraries(ws_benchmark PRIVATE
+  glaze
+  bencher::bencher
+  uWebSockets_headers
+)
+if(TARGET Boost::headers)
+    target_link_libraries(ws_benchmark PRIVATE Boost::headers)
+elseif(TARGET Boost::boost)
+    target_link_libraries(ws_benchmark PRIVATE Boost::boost)
+endif()
+target_compile_options(ws_benchmark PRIVATE
+  $<$<CXX_COMPILER_ID:GNU,Clang,AppleClang>:-O3 -march=native>
+  $<$<CXX_COMPILER_ID:MSVC>:/O2>
+)