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Nebula 3 Free Server high cpu usage on client

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Nebula 3 Free Server high cpu usage on client

Postby scalawag » Fri Apr 26, 2013 1:53 am

Hi all.
I'm currently testing Nebula 3 Free server on two computers with windows 7. The main workstation is a Quad Core Q6600 2.4ghz with 2 gb of memory. The "server" is a Dual Core E6300 2.8ghz also with 2gb. I'm testing on an Ableton 8 project. Everything is fine, except the CPU usage on Ableton. Every time i load a new instance of Nebula the CPU increases 15-20%. I barely can use 6 instances of Nebula on the project. On the server computer, the 6 instances are taking 139mb of memory and 84% of CPU. When i load one more instance of Nebula the CPU usage on Ableton jumps from 69% to 94% without any program chosen! On server it jumps to 95%. Both Ableton and Nebula have latency set to 2048. Then i've run a second test with the same 7 instances with same programs and settings BUT all locally, without using any server. Guess what, the seven instances only uses 75% of CPU. Can someone explain?
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Re: Nebula 3 Free Server high cpu usage on client

Postby enriquesilveti » Fri Apr 26, 2013 9:19 pm

Thank you for report. We are looking for a solution for CPU jump and better bandwidth usage in LAN.
Enrique Silveti.
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Re: Nebula 3 Free Server high cpu usage on client

Postby scalawag » Sat Apr 27, 2013 12:35 am

It doesn't seem to be a bandwidth problem (at least on surface). The 7 instances are "only" using more or less 2,5 MB/s on each way, which is far from the maximum bandwidth for 100BASE-TX networks (12,5 MB/s).
Thank you.
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