[mpich-discuss] 回复： questions about cpu assign in windows

[姚远志]

thanks to Jayesh and bob.
  
   
  
  ------------------ 原始邮件 ------------------
  发件人: "bob ilgner"<bobilgner at gmail.com>;
 发送时间: 2011年8月5日(星期五) 晚上11:54
 收件人: "mpich-discuss"<mpich-discuss at mcs.anl.gov>; 
 
 主题: Re: [mpich-discuss] questions about cpu assign in windows

  
I may be reading this differently, but is he not asking how to
determine how to identify the nodes/cores, and not allocating them?

The following URL will show how to id the CPU, but not allocate the core/CPU.

http://cboard.cprogramming.com/c-programming/104657-how-get-information-cpuid-using-c-code.html


On Fri, Aug 5, 2011 at 5:34 PM, Jayesh Krishna <jayesh at mcs.anl.gov> wrote:
> Hi,
>  When your launch your MPI job, the process manager creates the MPI processes and the OS schedules these processes (By default processes are not bound to a core. The OS scheduling policy decides on it).
>  You can explicitly specify the binding policy using the "-binding" option of mpiexec on Windows (Refer to Section 9.6 of the Windows developers guide available at http://www.mcs.anl.gov/research/projects/mpich2/documentation/index.php?s=docs for details).
>
> Regards,
> Jayesh
>
> ----- Original Message -----
> From: "姚远志" <yaoyuanzhi at qq.com>
> To: "mpich-discuss" <mpich-discuss at mcs.anl.gov>
> Sent: Friday, August 5, 2011 12:03:11 AM
> Subject: [mpich-discuss] questions about cpu assign in windows
>
>
>
> hi
> I am new to MPICH, now I face up with a problem.
> I can't get the info. about which cpu ( or computer, node) does the process excute in when I use mpi.
> I read the material about it , it says "MPI is a clean interface , didn't offer the resource management interface" so can I think it means that ,if I want to know the info as I said before, I need to install another software to gain my ends.
> My operating system is WindowsXP, so I can't use taskset. Can you give me some advices?
> thanks
> Yao
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