LightGBM 源码学习 (2022-5)

时间：2023-09-24 10:37:02 20tqc100myf电容器

之前在Linux系统调试的博文：

LightGBM源码学习

准备篇

系统：MacOS
软件：Clion

感觉最新的commit2021年初可能会有能会有坑。commit 【code-link】

git checkout 967b45c68665488ac872f77848f516d84a70726c git checkout -b tqc_mod

参考本文 stackoverflow，成功在MacOS编译LightGBM

安装两个依赖

brew install llvm arch -x86_64 brew install libomp

在CMakeLists.txt加上这些代码

message(STATUS "set env var") set(ENV{ 
        CC} "/usr/local/opt/llvm/bin/clang") set(ENV{ 
        CXX} "/usr/local/opt/llvm/bin/clang ") set(ENV{ 
        LDFLAGS} "-L/usr/local/opt/llvm/lib") set(ENV{ 
        CPPFLAGS} "-I/usr/local/opt/llvm/include") message(STATUS "set compipler") set(CMAKE_C_COMPILER "/usr/local/Cellar/llvm/5.0.1/bin/clang") set(CMAKE_CXX_COMPILER "/usr/local/Cellar/llvm/5.0.1/bin/clang ") set(OPENMP_LIBRARIES "/usr/local/Cellar/llvm/5.0.1/lib") set(OPENMP_INCLUDES "/usr/local/Cellar/llvm/5.0.1/include")

将CMakeLists.txt 的 O3 改为 O0
取消openmp并行

全局替换，将#pragma omp parallel for 替换为 //#pragma omp parallel for

配置CLion的run configuration

点击运行，结果符合预期

https://zhuanlan.zhihu.com/p/85053333

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LightGBM 源码学习 (2022-5)

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