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Re: [Chicken-users] Numbers anywhere?
From: |
Joerg F. Wittenberger |
Subject: |
Re: [Chicken-users] Numbers anywhere? |
Date: |
16 Jan 2003 15:31:07 +0100 |
User-agent: |
Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp) |
felix <address@hidden> writes:
> Joerg F. Wittenberger wrote:
> > * when I switch profiling off and all but -unsafe optimization on, I
>
> > gain approx. 30% speed. Is this normal range?
>
> Possible. I haven't made any benchmarks over profiled code, yet.
>
> > * any numbers how rscheme and chicken are supposed to compare speed
>
> > wise?
>
> There are some benchmarks
> (see http://www.call-with-current-continuation.org/benchmarks.tar.gz).
> Are you interested at porting them to RScheme?
Maybe, for the fun of it. Currently I'm at lack of time (too much
spent with chicken :-( ).
[from parallel thread]
> > I've been told, that allocations would be cheap with chicken, but I
> > guess at least in the ##sys#schedule it's worth to save them.
>
> I doubt that this is the reason for the disappointing performance.
> I'm quite sure this is more an I/O-subsystem problem...
The profiling seems to indicate something different.
> > * How fast would you expect an all-Scheme web server to be in
> > comparison to apache?
>
> The PLT server seems to be quite efficient. I've read something
> about 80% of Apache's performance at static pages and much better
Uh, that's not bad.
Regards
/Jörg
--
The worst of harm may often result from the best of intentions.