R: cygwin 1.7.7: Windows x64 bad performance

[Marco Atzeri]

--- Ven 29/10/10, Simone chemelli  ha scritto:

> I read a lot all over and cannot find
> a way to fix it:
> 
> $ while (true); do date; done | uniq -c
>       7 Fri Oct 29 17:20:20 WEDT 2010
>       8 Fri Oct 29 17:20:21 WEDT 2010
>       7 Fri Oct 29 17:20:22 WEDT 2010
>       8 Fri Oct 29 17:20:23 WEDT 2010
>       8 Fri Oct 29 17:20:24 WEDT 2010
>       7 Fri Oct 29 17:20:25 WEDT 2010
>       8 Fri Oct 29 17:20:26 WEDT 2010
>       7 Fri Oct 29 17:20:27 WEDT 2010
>       8 Fri Oct 29 17:20:28 WEDT 2010
>       8 Fri Oct 29 17:20:29 WEDT 2010
>       7 Fri Oct 29 17:20:30 WEDT 2010
>       8 Fri Oct 29 17:20:31 WEDT 2010
>       7 Fri Oct 29 17:20:32 WEDT 2010
>       7 Fri Oct 29 17:20:33 WEDT 2010
>       7 Fri Oct 29 17:20:34 WEDT 2010
>       8 Fri Oct 29 17:20:35 WEDT 2010
>       7 Fri Oct 29 17:20:36 WEDT 2010
>       8 Fri Oct 29 17:20:37 WEDT 2010
>       7 Fri Oct 29 17:20:38 WEDT 2010
>       7 Fri Oct 29 17:20:39 WEDT 2010
>       8 Fri Oct 29 17:20:40 WEDT 2010
>       8 Fri Oct 29 17:20:41 WEDT 2010
>       6 Fri Oct 29 17:20:42 WEDT 2010
>       7 Fri Oct 29 17:20:43 WEDT 2010
> 
> Doing a CTRL-C takes me to:
> 
>       8 Fri Oct 29 17:20:44 WEDT 2010
> datedate: write errordate: write error: Broken pipe
> datedate: write error: date: write error: Broken pipe
> date: write error: date: write error: Broken pipe
> datedate: write error: Broken pipedate: write error: date:
> write error:
> Broken pipedate: write error: Broken pipe
> date: write error: Broken pipe
> 
> and yes I disabled AV.
> 
> Ideas ???
> 
> Simone


1) remove AV. Sometimes they interfere also when disabled.
   I had one case where Mcafee disabled was worse and slower 
   of having it enabled.

2) try latest cygwin dll snapshots
   http://cygwin.com/snapshots/


Regards
Marco



  

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