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Re: Request for testing/help for the LTO branch

From: Chris Lattner <clattner at apple dot com>
To: Diego Novillo <dnovillo at google dot com>
Cc: gcc at gcc dot gnu dot org, Rafael Espindola <espindola at google dot com>, Simon Baldwin <simonb at google dot com>, Doug Kwan <dougkwan at google dot com>, Cary Coutant <ccoutant at google dot com>
Date: Tue, 27 Jan 2009 21:06:38 -0800
Subject: Re: Request for testing/help for the LTO branch
References: <b798aad50901271311u2e5b18a7pb4767c9ea196c3be@mail.gmail.com>

On Jan 27, 2009, at 1:11 PM, Diego Novillo wrote:

The LTO branch is starting to get some semblance of stability, though
is by no means in any kind of mergeable state.  I have updated the
wiki page to reflect the current status (Simon, Rafael, Doug, Cary,
please make sure I haven't missed anything substantial):

http://gcc.gnu.org/wiki/LinkTimeOptimization

Hi Diego,

Thanks for the summary, it's great to see the progress of the project. Do you have any compile time numbers for LTO so far? If you pick a mid-sided program from spec or even a bootstrap, how much slower is LTO than compiling at -O3?

-Chris

Follow-Ups:
- Re: Request for testing/help for the LTO branch
  - From: Rafael Espindola
- Re: Request for testing/help for the LTO branch
  - From: Diego Novillo

References:
- Request for testing/help for the LTO branch
  - From: Diego Novillo

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