[mythtv] architecture, compilation and performance
Sun Jan 12 22:33:41 EST 2003
I came across this page recently :- http://klicman.org/altivec/ I was
quite surprised by the difference shown by the charts comparing
performance when compiled with -mcpu=i586 and -mcpu=i686 MMX/SSE. I
would guess it would be even greater if -march=athlon-xp were used...
Matt Zimmerman wrote:
> On Sun, Jan 12, 2003 at 02:16:48PM -0700, Bryce C wrote:
>>As a Gentoo (http://www.gentoo.org) user, I must say yes, I have seen a
>>significant increase in performance between my Gentoo and Mandrake 8.2
>>boxes which are almost identical except the Gentoo box is set up for
>>MythTV. I can't say anything specific about MythTV but overall, there is
>>an improvement. Also, Gentoo's using gcc3.2 which has Athlon-XP as an
> When you say "almost identical", do you mean that you are using exactly the
> same hardware, and exactly the same source code for every package, the only
> difference being the compiler and compiler flags?
> If not, this is not much of a comparison.
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