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Re: [Google] Increase max-lipo-mem default to 4000000
- From: Xinliang David Li <davidxl at google dot com>
- To: Teresa Johnson <tejohnson at google dot com>
- Cc: Rong Xu <xur at google dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Sun, 24 Nov 2013 10:18:13 -0800
- Subject: Re: [Google] Increase max-lipo-mem default to 4000000
- Authentication-results: sourceware.org; auth=none
- References: <CAAe5K+V6F7E_Cra11L7upRN_=7Ora6=sKraq2xKsV0ciJ8pSgA at mail dot gmail dot com>
Ok.
David
On Sun, Nov 24, 2013 at 6:50 AM, Teresa Johnson <tejohnson@google.com> wrote:
> The current default is 3000000, but increasing to 4M gives better
> performance on internal applications and benchmarks. Passes regression
> testing. Ok for google/4_8?
>
> Thanks,
> Teresa
>
> 2013-11-24 Teresa Johnson <tejohnson@google.com>
>
> * params.def (PARAM_MAX_LIPO_MEMORY): Increase default to 4M.
>
> Index: params.def
> ===================================================================
> --- params.def (revision 205234)
> +++ params.def (working copy)
> @@ -972,7 +972,7 @@ DEFPARAM (PARAM_MAX_LIPO_GROUP,
> DEFPARAM (PARAM_MAX_LIPO_MEMORY,
> "max-lipo-mem",
> "don't import aux files if memory consumption exceeds this value",
> - 3000000, 0, 0)
> + 4000000, 0, 0)
>
> /* In LIPO profile-gen, use this parameter to record the cutoff value used at
> profile collection runtime. */
>
> --
> Teresa Johnson | Software Engineer | tejohnson@google.com | 408-460-2413