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Re: How big (and fast) is going to be GCC 8? [part 2]
- From: "Bin.Cheng" <amker dot cheng at gmail dot com>
- To: Martin Liška <mliska at suse dot cz>
- Cc: GCC Development <gcc at gcc dot gnu dot org>, Jan Hubicka <hubicka at ucw dot cz>, Richard Biener <richard dot guenther at gmail dot com>, Michael Matz <matz at suse dot de>, Martin Jambor <mjambor at suse dot cz>
- Date: Tue, 6 Mar 2018 18:16:54 +0000
- Subject: Re: How big (and fast) is going to be GCC 8? [part 2]
- Authentication-results: sourceware.org; auth=none
- References: <6f547f38-1751-c003-b5ae-52dae776d39a@suse.cz> <280e999f-92ec-e27b-4d47-56e2c4abdcbb@suse.cz>
On Tue, Mar 6, 2018 at 5:50 PM, Martin Liška <mliska@suse.cz> wrote:
> Hi.
>
> This is speed comparison of GCC 8 builds compared to my system GCC 7.3.0
> which is built with PGO bootstrap.
>
> I run empty C and C++ source file, tramp3d and the rest are some big beasts
> from GCC source file. Feel free to suggest another test candidates? Note
> that first column defines how many times was test run.
First thanks very much for collecting the data.
Since we enabled several loop passes at O3 and above levels, some data
for Ofast might be interesting?
Thanks,
bin
>
> Martin