Sender: dmelomed AT pppl DOT gov Message-ID: <3757DE74.F40365A5@pppl.gov> Date: Fri, 04 Jun 1999 10:11:00 -0400 From: Dan Melomedman 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: <375690F1 DOT 6611C009 AT cadvision DOT com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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