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Mail Archives: cygwin/2009/06/30/12:21:27

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Date: Tue, 30 Jun 2009 10:20:52 -0600
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Subject: Re: Call for TESTING (was Re: [1.7.0-50] scp progress counter flies through first 175 MB or so)
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Corinna Vinschen wrote:
> What's still not clear is why the ssh process takes so much CPU.

Too many buffer copies?  It takes a surprising amount of CPU power to 
fill a gigabit pipe from userland.  Double or triple that workload with 
unnecessary copies, and there goes your transfer rate, evaporating on 
the wind.

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