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

[Minfei Huang]

> 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
>