POV-Ray : Newsgroups : povray.unix : Another 3.5 speed issue? : Re: Another 3.5 speed issue? Server Time
28 Jul 2024 08:21:05 EDT (-0400)
  Re: Another 3.5 speed issue?  
From: Mark Gordon
Date: 8 Aug 2002 08:26:49
Message: <pan.2002.08.08.12.31.00.988473.1787@povray.org>
On Wed, 07 Aug 2002 23:40:41 -0400, Roz wrote:

> Warp wrote:
>>   Try downloading the source and compiling it. Due to a human mistake
>>   the official binary was compiled with no
>> optimizations, which makes it awfully slow. (I don't know if an updated
>> binary has already been made available.)
>> 
>> 
> I noticed Mark Gordon posted a note about placing a new Linux binary up
> to address the I/O restriction problem. I downloaded it a little while
> ago and ran benchmark.pov on it and it is a lot faster than the older
> non-optimized version was. It's not as fast as can be achieved with
> doing your own compile using various optimization settings but it's a
> definite improvement. Thanks Mark :)
> 
> Times are as follows:
> 
> Windows prebuilt         = 25m 48s (1548s) older Linux prebuilt     =
> 55m 40s (3340s) new (8/7) Linux prebuilt = 34m 10s (2050s) gcc3 athlon
> optimized    = 24m 19s (1459s)
> 
> -Roz

The error Warp notes in the original binary has been fixed in the updated
one.  Additional optimizations (e.g. Pentium II optimizations) may
sacrifice portability, so I'm not using them in the official binary at
this point.

-Mark Gordon


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.