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Re: R: Cygwin 1.7.7 fork/exec performance MUCH slower than 1.5.25
On Thu, Sep 30, 2010 at 09:10:48AM -0400, Edward Lam wrote:
>> testing on /tmp/benchmark with XPS P2
>>
>> cygwin 1.7.8s 20100924
>
>You're testing on the latest snapshot against his cygwin 1.7.7 results.
>This gives me hope that Cygwin can become faster because Sagi Ben-Akiva
>was willing to track down the cause of the slowdown [1]. Last I read,
>it's not clear whether the latest CVS changes are faster though [2].
>However, it's probably worth trying out the 20100926 snapshot.
>
>We haven't mentioned yet whether we are running under 32-bit or 64-bit
>Windows. It would be useful to know whether the problem only affects
>64-bit Windows or not. Looking at the code changes, I would have thought
>it would equally affect 32-bit Windows.
32-bit Windows is basically unchanged.
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