[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] PS3/Cell BE platform
From: |
Daniel O'Connor |
Subject: |
Re: [Discuss-gnuradio] PS3/Cell BE platform |
Date: |
Fri, 17 Nov 2006 10:28:17 +1030 |
User-agent: |
KMail/1.9.4 |
On Friday 17 November 2006 09:42, Jason wrote:
> instructions/functions. It involves, from preliminary review, wrapping
> the chunk of code you want on the SPE in an spu_thread, shipping data in
> and out via DMA, minimizing ooo (out of order, ie branchy) code, then
> reworking the algorithm to take advantage of the SIMD (single
> instruction, multiple data) instruction set. Once that's done,
> recompile it with IBM's modified GNU toolchain, and watch it crash. :)
I wouldn't be surprised if a patch for fftw turns up pretty quickly.. I
imagine the code in there is already fairly branch free and organised for
SIMD operation because of the existing MMX/SSE optimisations.
--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
pgptM4AUmwq4m.pgp
Description: PGP signature
- Re: [Discuss-gnuradio] PS3/Cell BE platform, (continued)
Re: [Discuss-gnuradio] PS3/Cell BE platform, Robert McGwier, 2006/11/16
RE: [Discuss-gnuradio] PS3/Cell BE platform, Newell Jensen, 2006/11/16
Re: [Discuss-gnuradio] PS3/Cell BE platform, Newell Jensen, 2006/11/16