User talk:Masterzorag

From PS3 Developer wiki
Revision as of 17:20, 24 August 2012 by Masterzorag (talk | contribs) (SPU Problems on Linux 3.x, OpenCL related)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

SPU Problems on Linux 3.x, OpenCL related 

As far as I know, I'm the only coding OpenCL on the Cell here, if someone want to test something be warned that it's stable until 3.2 branch.
This due some spufs changes that ppc-kernel-devs are (maybe) trying to fix, so now latest 3.3/3.4 branches falls into 'possible circular locking dependency detected' and slowdown runtime.
Even disabling lock debugging it slowdowns runtime without debug messages, it happens even with OpenCL samples from IBM.

http://permalink.gmane.org/gmane.linux.ports.ppc.embedded/50547

Tested kernels:

  • 3.2.23 works fine
  • 3.3.3 falls into 'possible circular locking dependency detected' and slowdown runtime
  • 3.4.6 falls into 'possible circular locking dependency detected' and slowdown runtime
  • 3.5.x needs testing
Retrieved from "http://www.psdevwiki.com/ps3/index.php?title=User_talk:Masterzorag&oldid=13463"