Date: Mon, 19 May 2003 16:31:35 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: kris@obsecurity.org Subject: Re: cvs commit: ports/devel/avr-libc Makefile Message-ID: <20030519163135.3f6b6186.Alexander@Leidinger.net> In-Reply-To: <20030519155824.M2937@uriah.heep.sax.de> References: <200305190828.h4J8S8l0069634@repoman.freebsd.org> <20030519094115.GC1035@sunbay.com> <20030519115435.C2937@uriah.heep.sax.de> <20030519104604.GB17366@sunbay.com> <20030519125334.D2937@uriah.heep.sax.de> <20030519114332.GG17366@sunbay.com> <20030519115339.GI17366@sunbay.com> <20030519121239.GA6087@rot13.obsecurity.org> <20030519143325.H2937@uriah.heep.sax.de> <20030519153809.1b01f51b.Alexander@Leidinger.net> <20030519155824.M2937@uriah.heep.sax.de>
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On Mon, 19 May 2003 15:58:24 +0200
Joerg Wunsch <j@uriah.heep.sax.de> wrote:
> with any -mcpu stuff by default. Except for few compute-intensive
> tasks, it will only gain a few percent at best. For populare AMD
> CPUs, the speedup is even likely to become negative...
I don't think you can say generally that on AMD CPUs there will no
performance improvement, that's
1) specific to the program you look at
2) can also happen on Intel CPUs (specially on a P4, compared to icc
gcc sucks there)
Bye,
Alexander.
--
Where do you think you're going today?
http://www.Leidinger.net Alexander @ Leidinger.net
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