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Re: [wwwdocs] IPA and LTO updates
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: Andi Kleen <andi at firstfloor dot org>
- Cc: Jan Hubicka <hubicka at ucw dot cz>, gcc-patches at gcc dot gnu dot org, gerald at pfeifer dot com
- Date: Mon, 15 Nov 2010 15:16:49 +0100
- Subject: Re: [wwwdocs] IPA and LTO updates
- References: <20101114170056.GA9459@kam.mff.cuni.cz> <87y68ullnd.fsf@basil.nowhere.org>
> Jan Hubicka <hubicka@ucw.cz> writes:
>
> > ! by default the serial LTO optimization model. Link time optimization
> > ! can now split itself into multiple parallel complications. The parallelizm
> > ! is controlled using using <tt>-flto=</tt><em>n</em> (where
> > ! <em>n</em> specify number of parallel compilations to execute. GCC
> > ! can also cooperate with GNU make job server
> > ! by specifying <tt>-flto=jobserv</tt> option and adding
> > <tt>+</tt> in the
>
> It's -flto=jobserver isn't it? (unless you renamed it recently)
It is, thanks ;)
BTW, it would be nice to add the autodetection of jobserver. It is something you plan to look
into or should I figure out what environent vars to test?
Honza
>
> -Andi
>
> --
> ak@linux.intel.com -- Speaking for myself only.