Re: Parallel query

What's MPI?

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp

> Maybe we can refere to the MPI test cases.
> 
> On Sun, May 22, 2016 at 3:19 PM, Hao Lee <mixtrue@gmail.com> wrote:
> 
>> What kind of cases do you want to run? beside the multi-cores, i think the
>> working mem and its access rate are also a main criteria. As you known the
>> parallel query uses DSM as IPC tools, which means it will meet the memory
>> access barrier.，the memory bus has its access rate limitation. the
>> different system architecture, such as different CPU architect, etc,will
>> also be considered when we do the performace test. Do we need to consider
>> what i mentioned above?
>>
>> Best Regards,
>>
>> Hao LEE.
>>
>> On Thu, May 19, 2016 at 11:07 PM, Tatsuo Ishii <ishii@postgresql.org>
>> wrote:
>>
>>> Robert,
>>> (and others who are involved in parallel query of PostgreSQL)
>>>
>>> PostgreSQL Enterprise Consortium (one of the PostgreSQL communities in
>>> Japan, in short "PGECons") is planning to test the parallel query
>>> performance of PostgreSQL 9.6. Besides TPC-H (I know you have already
>>> tested on an IBM box), what kind of tests would you like be performed?
>>>
>>> We are planning to use a big intel box (like more than 60 cores).
>>> Any suggestions are welcome.
>>>
>>> Best regards,
>>> --
>>> Tatsuo Ishii
>>> SRA OSS, Inc. Japan
>>> English: http://www.sraoss.co.jp/index_en.php
>>> Japanese:http://www.sraoss.co.jp
>>>
>>>
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>>
>>