[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] How to set up MP-Benchmark Test PowerPC Processor
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] How to set up MP-Benchmark Test PowerPC Processors (using Altivec) |
Date: |
Fri, 30 Apr 2010 10:30:14 -0700 |
User-agent: |
Mutt/1.5.20 (2009-08-17) |
On Fri, Apr 30, 2010 at 09:08:59AM +0200, matty wrote:
> I want to set up several Benchmark Tests for PowerPC Processors using
> Altivec.
> The MP-Scheduler Benchmark works for Core2 Duo and on PS3 (without Altivec)
> fine.
>
> But how can i set up the Benchmark for PowerPC Processors (e.g. Cell BE)
> using the Altivec Extensions?
> There are no options given to use Altivec, or is there a special
> benchmark-code?
I'm pretty sure that it uses Altivec by default on PPC. (The only
hand coded Altivec code is in the gr_fir_fff filter.)
Do your results look like this:
http://gnuradio.org/images/perf-data-images/ps3-altivec.png
or like this:
http://gnuradio.org/images/perf-data-images/ps3.png
The PPC on the Cell is seriously lame, as you have no doubt found out
by now...
Eric
The relevant wiki page (needs some formatting cleanup)
http://gnuradio.org/redmine/wiki/gnuradio/MPSchedulerPerformance