Re: [Discuss-gnuradio] How to set up MP-Benchmark Test PowerPC Processors (using Altivec)

[Eric Blossom]

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