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High CPU usage v2.9.7.0 Expand / Collapse
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Posted 12/21/2009 3:14:47 AM


Supreme Being

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Hi guys,
recently we received a few reports about high CPU usage by ViewerX. We did some research on this matter and here is what we have found.

In out of the box configuration ViewerX'es CPU% uses about 4-8% of CPU when an UltraVNC viewer connected to the same server uses 1-3%. The reason for this is the VNC encoding used by ViewerX by default - Tight encoding. Apparently Tight encoding is CPU intensive one.

If you are experiencing the CPU% usage problem we suggest to use ZLibHex encoding instead. When ViewerX uses ZlibHex encoding its CPU% usage is on par with UltraVNC viewer.

Also next week we will be releasing 2.9.8.0 build that will include some additional CPU% optimizations as well as support for the Ultra encoding.



Kindest Regards,
SmartCode Solutions Support

Post #2868
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