[Pw_forum] Fatal Error: File 'mpif.h' not found.

[Chao Cao]

That's good point...
Another question is, for multi-core system, shouldn't we use OpenMP over 
MPI, or we could easily by-pass MPI by enable thread in compilation? I 
didn't do test though...

Chao Cao

wlyim at puccini.che.pitt.edu wrote:
> If you are running linux system, check "/proc/cpuinfo"
>
> William
>
> On Wed, 25 Apr 2007, Marcel Mohr wrote:
>
>   
>> It just calculates the faculty of 5000000 to keep the processor busy. So 
>> you can estimate the number of processor (see my mail before).
>> Just type 'bc' in a shell and copy the lines below.
>>
>>     
>>>> A small calculation intensive task for the linux calculator "bc"
>>>>
>>>> -----
>>>> $ bc
>>>> define fac (x)
>>>> {
>>>>         res = 1
>>>>         while (x > 1)
>>>>         {
>>>>                 res *=x;
>>>>                 x -= 1;
>>>>         }
>>>>         return res;
>>>> }
>>>> fac (5000000)
>>>> ------
>>>>         
>>> Some hints on performing the above codes, will you?
>>> ---
>>> Hongyi Zhao
>>> GnuPG DSA: 0xD108493B
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>>     
>
>