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linsijia1002
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熟悉 Linux 内核裁减的联系我

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  •   linsijia1002 Mar 15, 2023 2227 views
    This topic created in 1159 days ago, the information mentioned may be changed or developed.

    外包:

    Linux 内核通过 gcc 编译时,开启 lto 优化功能 综合运用 LTO 技术实现对 linux5.10 内核的编译优化,新编译的内核满足如下功能: 1 ) LTO 优化后的内核体积减少 20~30%。 2) LTO 优化编译内核时间少于原编译时间的 3 倍。 3) LTO 优化编译内核时最高使用内存大小小于 32G

    费用详谈: MTM3MjYyNTg4NTc=

    4 replies    2023-04-17 12:28:17 +08:00
    chuckzhou
        1
    chuckzhou  
       Mar 15, 2023
    用 ccache ,第一次正常编译,之后飞快
    dubidu
        2
    dubidu  
       Mar 17, 2023 via Android
    是因为打包了私有模块导致要求高么,另外描述里只提到优化指标,是否需要裁剪其他内核模块。
    zhujiahao
        3
    zhujiahao  
       Mar 27, 2023
    试试 ThinLto, 32g 应该是 lto 的必须条件,否则会被 oom...
    pagxir
        4
    pagxir  
       Apr 17, 2023 via Android
    开 lto 并不能缩短编译时间。
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