www.delorie.com/archives/browse.cgi   search  
Mail Archives: pgcc/1999/06/04/10:12:46

Sender: dmelomed AT pppl DOT gov
Message-ID: <3757DE74.F40365A5@pppl.gov>
Date: Fri, 04 Jun 1999 10:11:00 -0400
From: Dan Melomedman <dmelomed AT pppl DOT gov>
X-Mailer: Mozilla 4.6 [en] (X11; I; SunOS 5.6 sun4u)
X-Accept-Language: en
MIME-Version: 1.0
To: pgcc AT delorie DOT com
Subject: Re: Performance of Krzysztof program
References: <m10pUEy-001mHUC AT Dirac DOT Chemie DOT FU-Berlin DOT DE> <375690F1 DOT 6611C009 AT cadvision DOT com>
Reply-To: pgcc AT delorie DOT com

Rob Somerville wrote:

> any chance VC6.0 is linking against optimized libraries? I had same problem
> with Sunsoft SPARC compilers vs. EGCS, but found the issue was Special libraries that
> Sunsoft compilers used for certain optimization settings ( -fast )
>
> -bob

I bet they do! For example on PPC machines you can link with libmoto, provided by
motorola which is a substitute for standard C math and string functions, the thing is
hand-optimized assembly code, on PPC Linux this gives at least 2X improvement in
nbench.  Maybe Intel has  something like that on their site? Check out:
http://www.mot.com/SPS/PowerPC/library/fact_sheet/libmoto_ts.html

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019