[mythtv] [Announce] Playback Optimization Patch

Kevin Kuphal kuphal at dls.net
Wed Jan 11 02:25:12 UTC 2006


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

Thanks,
Kevin


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