[PATCH v2] Improve the performance of --num-threads -d 31

[Minfei Huang]

On 03/01/16 at 02:59pm, "Zhou, Wenjian/周文剑" wrote:
> Hi Minfei,
> 
> Could you help me test the patch in the attachment?

Ok. I will verify it with this patch. Feedback will be given in next few
days. Thanks for your effort.

Thanks
Minfei

> 
> I have run it a thousand times and haven't got a failure.
> Previously, I can always get a failure after running hundreds of times.
> 
> But I'm not sure if it is the same problem you have met.
> 
> -- 
> Thanks
> Zhou
> 
> On 02/24/2016 10:24 AM, Minfei Huang wrote:
> >
> >>On Feb 24, 2016, at 10:20, Zhou, Wenjian/周文剑 <zhouwj-fnst at cn.fujitsu.com> wrote:
> >>
> >>Hi,
> >>
> >>On 02/24/2016 09:43 AM, Minfei Huang wrote:
> >>>On 02/23/16 at 01:47pm, "Zhou, Wenjian/周文剑" wrote:
> >>>>Hello, Minfei,
> >>>>
> >>>>Does it occur every time?
> >>>>If not, I think I have known the reason.
> >>>
> >>>Hi, Wenjian.
> >>>
> >>>This patch is applied directly on version 1.5.9. And makedumpfile hangs
> >>>if option num-thread is appended.
> >>>
> >>
> >>I see.
> >>I'm working on it.
> >>
> >>BTW, did you only test it with --num-threads 128?
> >>How is it with --num-threads 32(or smaller value)?
> >
> >Yes. I have tested with num-thread 1, 2, 8 and 32. Except for —num-threads 1,
> >all of the test fail.
> >
> >Thanks
> >Minfei