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Re: gcc compile-time performance
- From: law at redhat dot com
- To: Gabriel Dos Reis <gdr at codesourcery dot com>
- Cc: dewar at gnat dot com (Robert Dewar), gcc at gcc dot gnu dot org, scott at coyotegulch dot com
- Date: Sat, 18 May 2002 10:26:22 -0600
- Subject: Re: gcc compile-time performance
- Reply-to: law at redhat dot com
In message <m3bsbd1m65.fsf@merlin.nerim.net>, Gabriel Dos Reis writes:
> dewar@gnat.com (Robert Dewar) writes:
>
> | > Whether your Ada front-end got faster overthe year doesn't imply that
> | > g++ also did. Actually the C++ front-end got slower. That is a fact;
> | > and people keep making report about that. You can't declare they're
> | > dreaming just because your Ada front-end got faster.
> |
> |
> | No, you missed what I said, which is that assuming I am always working on
> | latest hardware, the peformance of all parts of GCC improves overall.
>
> I didn't miss it. I even point out that the assumption of working on
> the lastest hardware is an unrealistic. What you're missing is that
> we have hard data from reality.
Even if you are working on the latest and greatest hardware, compile time is
an issue. Red Hat has customers that have large, expensive, multi-processor,
multi-machine build farms for their software and it still takes on the order
of days to rebuild their systems.
jeff