POV-Ray : Newsgroups : povray.unix : povray on Intel processors : Re: povray on Intel processors Server Time
5 Jul 2024 13:16:06 EDT (-0400)
  Re: povray on Intel processors  
From: Christoph Hormann
Date: 29 Feb 2004 10:35:01
Message: <c1t0eb$g9g$1@chho.imagico.de>
gRRosminet wrote:
> Hi everybody !
> 
> I just want to inform you that I have tried Intel C++ Compiler v8.0 on 
> povray ... the result is that the rendering time for the benchmark scene 
> is now 33 minutes with these options :
> CFLAGS = -O3 -mcpu=pentium4 -march=pentium4 -ip
> 
> before this, I used a povray compiled with gcc and "-O3 -mcpu=pentium4 
> -march=pentium4 -f...." options and the benchmark was rendered in 38 
> minutes

Recent tests we made with the 3.6 beta showed that the best performance 
with gcc is achieved with plain '-O3' and without additional '-f...' 
(the best -mcpu/-march flags probably depend on the processor).

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 11 Jan. 2004 _____./\/^>_*_<^\/\.______


Post a reply to this message

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