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Re: AutoFDO profile toolchain is open-sourced
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: Dehao Chen <dehao at google dot com>
- Cc: Ilya Palachev <i dot palachev at samsung dot com>, Diego Novillo <dnovillo at google dot com>, GCC Development <gcc at gcc dot gnu dot org>, David Li <davidxl at google dot com>, Jan Hubicka <hubicka at ucw dot cz>, Sebastian Pop <sebpop at gmail dot com>, Vyacheslav Barinov <v dot barinov at samsung dot com>
- Date: Tue, 21 Apr 2015 17:59:51 +0200
- Subject: Re: AutoFDO profile toolchain is open-sourced
- Authentication-results: sourceware.org; auth=none
- References: <CAO2gOZWydpiBXb=1QDyCRt-ybDieqy8X4S_+uRZk2Y2v+cFdYQ at mail dot gmail dot com> <5523ED98 dot 8080007 at samsung dot com> <CAFk3UF8To5Qcz8NN5rUF3z6j8CCg_89A+62P=1U9YrtbZ5=mLg at mail dot gmail dot com> <20150410203927 dot GA18980 at atrey dot karlin dot mff dot cuni dot cz> <552E1613 dot 2040405 at samsung dot com> <5536278E dot 3090706 at samsung dot com> <CAD_=9DQEqCqzyBKT8nZ1_uEt5gU589hSpLiOHUqLXKctJTaVHA at mail dot gmail dot com> <553653CA dot 9070009 at samsung dot com> <CAO2gOZXqxRAU5RTgXdgeamPpx3sNArCb=2ZJKDXTOoX6a-w3dw at mail dot gmail dot com>
> You can use dump_gcov to show a text version of the profile dump and
> check if the profile data makes sense. If your program is just a very
> tight single loop, the current implementation in trunk may not yield
> good results because it does not have discriminator support. Try the
> google-4_9 branch instead.
Can we possibly merge the remaining patches now when stage1 is open?
Honza
>
> Dehao
>
> >
> >
> > --
> > Best regards,
> > Ilya Palachev