Deadly embrace between pthread_cond_wait and pthread_cond_signal
Christopher Faylor
cgf@redhat.com
Wed Jun 27 08:23:00 GMT 2001
On Wed, Jun 27, 2001 at 11:23:22AM -0400, Christopher Faylor wrote:
>On Wed, Jun 27, 2001 at 11:10:13AM -0400, Norman Vine wrote:
>>Christopher Faylor writes:
>>>
>>>On Wed, Jun 27, 2001 at 02:20:08AM -0400, Norman Vine wrote:
>>>>
>>>>I tried Rob's proposed IsBadWritePtr(...) patch
>>>>< see cygwin list [RE:] pthreads works ,sorta thread >
>>>>
>>>>And running the Python regression suite is an
>>>>ORDER of MAGNITUDE FASTER
>>>>with this patch applied :-))
>>>>
>>>>real 7m5.712s
>>>>user 2m50.883s
>>>>sys 1m15.236s
>>>
>>>I bet it would improve even more if we replaced the VirtualQuery
>>>in path.cc, too.
>>
>>With Rob's new patch that does this,
>>there actually isn't very much difference
>>
>>real 7m10.729s
>>user 2m50.963s
>>sys 1m11.721s
>>
>>Thanks !
>
>Huh. I wonder why it makes such a big difference for pthreads.
Thanks for trying this, by the way, Norman.
cgf
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