[sldev] [PATCH] OpenJPEG2000: Tech Test with Intel's TBB

Dzonatas dzonatas at dzonux.net
Thu Nov 8 18:41:58 PST 2007


Callum Lerwick wrote:
> What does TBB do that OpenMP doesn't? Recent GCC supports OpenMP, and so
> does VS2005. OpenMP is much less invasive and does not require C++.
>
> I've been considering trying out some OpenMP on OpenJPEG, though the
> only "multi-core" box I have is a decade old dual PII-333 workstation...
>
> In SL's case, just running multiple decode worker threads seems like a
> much better option than threading within OpenJPEG itself.
>   

TBB is tasked based while OpenMP is thread based. There are a few 
examples on how to mix the two together.

I'm searching for testers... I think I'll have to make an Windows & 
Linux installable versions to run benchmarks.

-- 
Power to Change the Void


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