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Subject: Re: assembly--not really that fast

Author: Ed Schröder

Date: 15:51:02 01/13/02

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On January 13, 2002 at 16:29:21, Tom Kerrigan wrote:

>On January 13, 2002 at 07:05:02, Ed Schröder wrote:
>
>>I have to disagree, I have a MSVC6 version of Rebel and it runs 30% slower than
>>the ASM version.
>
>What do you attribute this difference to? Is it simply not possible to write C
>that produces the same assembly as your hand-written code? Or do you take
>certain liberties in the C code (perhaps in the same of readability?) that's
>slowing things down?
>
>-Tom

Just have a look at the ASM code MSVC6 produces, it often is bad stuff. By
re-writing (optimizing) this "bad ASM stuff" I got my +30%.

One ambiguous remark, don't believe everthing commercials are telling you :)

Ed





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