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Re: benchmarking combreloc
- To: Jack Howarth <howarth at nitro dot med dot uc dot edu>
- Subject: Re: benchmarking combreloc
- From: Jakub Jelinek <jakub at redhat dot com>
- Date: Wed, 31 Oct 2001 18:21:15 +0100
- Cc: libc-alpha at sources dot redhat dot com
- References: <200110311713.MAA17952@nitro.msbb.uc.edu>
- Reply-To: Jakub Jelinek <jakub at redhat dot com>
On Wed, Oct 31, 2001 at 12:13:39PM -0500, Jack Howarth wrote:
> Thus combreloc reduces the total startup by 90%. Prelinking reduces the
> total startup time an additional 95% on top of that. Thus the total load
> time with both combreloc and prelinking is less than 1% of that with
> neither feature. Interestingly the results without combreloc but with
> prelinking are almost identical to that of combreloc and prelinking.
That's nothing surprising, because prelinking means there are no symbol
lookups on program startup, so it doesn't matter if you have cache for
symbol lookups or not.
Jakub