[mythtv] [Announce] Playback Optimization Patch

David Abrahams dave at boost-consulting.com
Wed Jan 11 15:06:14 UTC 2006


Kevin Kuphal <kuphal at dls.net> writes:

> David Abrahams wrote:
>
>>Nigel Pearson <nigel at ind.tansu.com.au> writes:
>>
>>  
>>
>>>>I notice that the performance of playback seems to be suboptimal.
>>>>      
>>>>
>>>	Indeed, but I don't think it far behind i386?
>>>    
>>>
>>
>>No, that's exactly my point: it seems like it's probably too slow
>>everywhere.  And as it turned out I made a 1-line fix that resulted in
>>a major optimization.  Still not enough to make HDTV playback look
>>good, but it's a start.
>>
>>The frontend was doing a terribly slow regexp creation/search sequence
>>in TV::GetQueuedChanNum that was soaking 14.6% of the process' CPU
>>cycles.
>>  
>>
> You should submit this to Trac so it can get looked at

Which is where, please?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com


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