Re: [PATCH v2 0/6] kbuild: optimize output directory creation

From: Masahiro Yamada
Date: Wed Nov 15 2017 - 19:11:38 EST


2017-11-13 19:29 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
>
> I looked into the build scripts, focusing on "mkdir" optimization.
>
> With this series, I succeeded in speeding up the incremental build
> with O= option.
>
> The following is the result of "time make O=foo",
> where "foo" is the output directory that has already been built.
>
> Before:
>
> real 0m8.322s
> user 0m4.324s
> sys 0m1.220s
>
> After:
>
> real 0m6.989s
> user 0m4.168s
> sys 0m1.080s
>
> 4/6 gave the biggest impact.
>
>


Series, applied to linux-kbuild/kbuild.

--
Best Regards
Masahiro Yamada