mohsen modaresi wrote: > When i run parallel (With MPICH) version with 4 core, > in output file i see this "total time until now 6.06 sec." it take > but if i use my watch29 sec to run. What is the problem? > another problem: > If i use MPICH with 1 core it takes only 17 sec (on my watch) which is > smaller than 29, Why?
See Sec.3, "Understanding parallelization", and sec.6.4, "Parallelization issues", of the user guide. P. -- Paolo Giannozzi, Democritos and University of Udine, Italy
