[Scons-dev] scons daemon

[William Blevins]

I guess my point here was that I wanted to know where the time savings was
happening since SCons does split out some process timings.

I just wanted to see a regular build timing with and without your patch.

V/R,
William

On Tue, Dec 29, 2015 at 7:07 PM, Schleimer, Ben via Scons-dev <
scons-dev at scons.org> wrote:

> Hi William,
>
>
> >Can you give the time saving using --debug=time for -j1 and -j4?
> >
>
>    Sure,
>
> regular scons build (scons -jX --debug=time)
> a clean build with -j1 is:
> Total build time: 20.901390 seconds
> Total SConscript file execution time: 0.149543 seconds
> Total SCons execution time: 0.444850 seconds
> Total command execution time: 20.306997 seconds
>
>
> an incremental build with -j1 is:
> Total build time: 2.439754 seconds
> Total SConscript file execution time: 0.151794 seconds
> Total SCons execution time: 0.337350 seconds
> Total command execution time: 1.950610 seconds
>
>
> a clean build with -j4 is:
> Total build time: 7.158301 seconds
> Total SConscript file execution time: 0.153021 seconds
> Total SCons execution time: 0.107556 seconds
> Total command execution time: 6.897724 seconds
>
>
> an incremental build with -j4 is:
> Total build time: 2.368260 seconds
> Total SConscript file execution time: 0.151281 seconds
> Total SCons execution time: 0.183930 seconds
> Total command execution time: 2.033049 seconds
>
>
> interactive build (scons --interactive -jX --debug=time)
> a clean build with -j1:
> time to do a build = 19.983217001 sec
>
> an incremental build with -j1:
> time to do a build = 2.2111852169 sec
>
> a clean build with -j4:
> time to do a build = 6.93614792824 sec
>
> an incremental build with -j4:
> time to do a build = 2.17438697815 sec
>
>
> It's consistently 0.2 seconds faster with the interactive build.
> Not a huge amount but I'm not using that many SConscript files.
> (5 SConscript files and 2 SConstruct files)
>
>
>
> Cheers
>
> Ben
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