chore: shorter build time

README.md

@@ -46,7 +46,7 @@ git submodule update --init --recursive
 
 **macOS:**
 ```bash
-brew install llvm libomp boost protobuf
+brew install llvm libomp boost protobuf zeromq
 export CC=$(brew --prefix llvm)/bin/clang
 export CXX=$(brew --prefix llvm)/bin/clang++
 
@@ -59,7 +59,7 @@ uv sync --extra diskann
 
 **Linux (Ubuntu/Debian):**
 ```bash
-sudo apt-get install libomp-dev libboost-all-dev protobuf-compiler libabsl-dev libmkl-full-dev libaio-dev
+sudo apt-get install libomp-dev libboost-all-dev protobuf-compiler libabsl-dev libmkl-full-dev libaio-dev libzmq3-dev
 
 # Install with HNSW backend (default, recommended for most users)
 uv sync

packages/leann-backend-diskann/CMakeLists.txt

@@ -1,8 +1,8 @@
-# packages/leann-backend-diskann/CMakeLists.txt (最终简化版)
+# packages/leann-backend-diskann/CMakeLists.txt (simplified version)
 
 cmake_minimum_required(VERSION 3.20)
 project(leann_backend_diskann_wrapper)
 
-# 告诉 CMake 直接进入 DiskANN 子模块并执行它自己的 CMakeLists.txt
-# DiskANN 会自己处理所有事情，包括编译 Python 绑定
+# Tell CMake to directly enter the DiskANN submodule and execute its own CMakeLists.txt
+# DiskANN will handle everything itself, including compiling Python bindings
 add_subdirectory(src/third_party/DiskANN)

packages/leann-backend-diskann/pyproject.toml

@@ -8,11 +8,11 @@ version = "0.1.0"
 dependencies = ["leann-core==0.1.0", "numpy"]
 
 [tool.scikit-build]
-# 关键：简化的 CMake 路径
+# Key: simplified CMake path
 cmake.source-dir = "third_party/DiskANN"
-# 关键：Python 包在根目录，路径完全匹配
+# Key: Python package in root directory, paths match exactly
 wheel.packages = ["leann_backend_diskann"]
-# 使用默认的 redirect 模式
+# Use default redirect mode
 editable.mode = "redirect"
 cmake.build-type = "Release"
 build.verbose = true

packages/leann-backend-hnsw/CMakeLists.txt

@@ -1,6 +1,7 @@
-# 最终简化版
 cmake_minimum_required(VERSION 3.24)
 project(leann_backend_hnsw_wrapper)
+set(CMAKE_C_COMPILER_WORKS 1)
+set(CMAKE_CXX_COMPILER_WORKS 1)
 
 # Set OpenMP path for macOS
 if(APPLE)
@@ -11,15 +12,9 @@ if(APPLE)
     set(OpenMP_omp_LIBRARY "/opt/homebrew/opt/libomp/lib/libomp.dylib")
 endif()
 
-# Build ZeroMQ from source
-set(ZMQ_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-set(ENABLE_DRAFTS OFF CACHE BOOL "" FORCE)
-set(ENABLE_PRECOMPILED OFF CACHE BOOL "" FORCE)
-set(WITH_PERF_TOOL OFF CACHE BOOL "" FORCE)
-set(WITH_DOCS OFF CACHE BOOL "" FORCE)
-set(BUILD_SHARED OFF CACHE BOOL "" FORCE)
-set(BUILD_STATIC ON CACHE BOOL "" FORCE)
-add_subdirectory(third_party/libzmq)
+# Use system ZeroMQ instead of building from source
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(ZMQ REQUIRED libzmq)
 
 # Add cppzmq headers
 include_directories(third_party/cppzmq)
@@ -29,6 +24,7 @@ set(MSGPACK_USE_BOOST OFF CACHE BOOL "" FORCE)
 add_compile_definitions(MSGPACK_NO_BOOST)
 include_directories(third_party/msgpack-c/include)
 
+# Faiss configuration - streamlined build
 set(FAISS_ENABLE_PYTHON ON CACHE BOOL "" FORCE)
 set(FAISS_ENABLE_GPU OFF CACHE BOOL "" FORCE)
 set(FAISS_ENABLE_EXTRAS OFF CACHE BOOL "" FORCE)
@@ -36,4 +32,24 @@ set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
 set(FAISS_ENABLE_C_API OFF CACHE BOOL "" FORCE)
 set(FAISS_OPT_LEVEL "generic" CACHE STRING "" FORCE)
 
+# Disable additional SIMD versions to speed up compilation
+set(FAISS_ENABLE_AVX2 OFF CACHE BOOL "" FORCE)
+set(FAISS_ENABLE_AVX512 OFF CACHE BOOL "" FORCE)
+
+# Additional optimization options from INSTALL.md
+set(CMAKE_BUILD_TYPE "Release" CACHE STRING "" FORCE)
+set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)  # Static library is faster to build
+
+# Avoid building demos and benchmarks
+set(BUILD_DEMOS OFF CACHE BOOL "" FORCE)
+set(BUILD_BENCHS OFF CACHE BOOL "" FORCE)
+
+# NEW: Tell Faiss to only build the generic version
+set(FAISS_BUILD_GENERIC ON CACHE BOOL "" FORCE)
+set(FAISS_BUILD_AVX2 OFF CACHE BOOL "" FORCE)
+set(FAISS_BUILD_AVX512 OFF CACHE BOOL "" FORCE)
+
+# IMPORTANT: Disable building AVX versions to speed up compilation
+set(FAISS_BUILD_AVX_VERSIONS OFF CACHE BOOL "" FORCE)
+
 add_subdirectory(third_party/faiss)

packages/leann-backend-hnsw/pyproject.toml

@@ -15,4 +15,8 @@ wheel.packages = ["leann_backend_hnsw"]
 editable.mode = "redirect"
 cmake.build-type = "Release"
 build.verbose = true
-build.tool-args = ["-j8"]
+build.tool-args = ["-j8"]
+
+# CMake definitions to optimize compilation
+[tool.scikit-build.cmake.define]
+CMAKE_BUILD_PARALLEL_LEVEL = "8"