[Cbe-oss-dev] Potential issue with spu_stop in loop

Kazunori Asayama asayama at sm.sony.co.jp
Tue Jun 3 19:06:31 EST 2008


malc wrote:
> I'd submit a patch - but I still can't see what's *consuming* the
> stopinfo at the read-side of the pipe - breakpoint @
> _event_spe_stop_info_read() doesn't get hit... and also I can't
> explain why this isn't hit on the QS21 blades (as reported in the
> developerworks thread)

The length of the pipe buffer depends on the page size. PS3's default
page size is 4KB, while the Cell blade's one is 64KB. So if you enlarge
the # of iterations of the test, the same problem will arise on the Cell
blades.

-- 
(ASAYAMA Kazunori
   (asayama at sm.sony.co.jp))
t



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