Call for TESTING (was Re: [1.7.0-50] scp progress counter flies through first 175 MB or so)

Warren Young warren@etr-usa.com
Tue Jun 30 18:54:00 GMT 2009


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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