Please direct general parallel computing questions to stack overflow or other generic discussion Forums. This mailing list is for MPICH related questions. Regards, -- Pavan
On Mar 4, 2015, at 7:45 AM, Chafik sanaa <[email protected]> wrote:
so I can not base my article on the execution time calculation in my own machine because I did not have a parallel machine?
2015-03-04 0:43 GMT+01:00 Junchao Zhang <[email protected]>: Yes. I believe your i5 machine has least two cores. So it is indeed a parallel machine. You should observe some speedup when you run program with two MPI processes.
--Junchao Zhang
On Tue, Mar 3, 2015 at 5:44 AM, Chafik sanaa <[email protected]> wrote: I use the MPICH2 to parallelize my algorithm on an i5 machine, is the time calculated in this type of machinery is the time actually consumed or estimated in my programe? I ask this question because someone told me that if you do not work on a parallel machine then even if you calculate the execution time in your parallel algorithm and you compare it with the algorithm that you do not use parallelism is not correct.effectively I tried to compare the execution time of both programs but really I find that there's a accelerartion when I use the parallelism
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-- Pavan Balaji ✉️ http://www.mcs.anl.gov/~balaji _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss