handed / audirvana

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100% cpu utilization on dual cores when SRC & max upsampling turned on at same time #34

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago
What steps will reproduce the problem?
1. Turning on SRC instead of CoreAudio
2. Setting upsampling to max
3.

What is the expected output? What do you see instead?
Sound was wonderful, but concerned about running cpu cores both at 100%

What version of the product are you using? On what operating system?
0.8c or 0.8.2 on Mac OS X 10.6.7 Snow Leopard

Please provide any additional information below.

Original issue reported on code.google.com by texaspe...@gmail.com on 24 Apr 2011 at 12:45

GoogleCodeExporter commented 8 years ago
This is not an issue, but the fact that libSampleRate is CPU hungry. This means 
both cores are at 100% until the playing track and the next one have been 
upsampled.
Even some systems can't cope with it to allow realtime playback: this makes 
pauses until the upsampling process progresses enough.

Original comment by au.damie...@gmail.com on 24 Apr 2011 at 3:39