Re: [OMPI users] latency #2

2010-09-13 Thread Eugene Loh
Georges Markomanolis wrote: Dear all, Hi again, after using MPI_Ssend seems to be what I was looking for but I would like to know more about MPI_Send. For example sending 1 byte with MPI_Send it takes 8.69 microsec but with MPI_Ssend it takes 152.9 microsec. I understand the difference but

Re: [OMPI users] latency #2

2010-09-13 Thread Ashley Pittman
On 13 Sep 2010, at 12:20, Georges Markomanolis wrote: > Dear all, > > Hi again, after using MPI_Ssend seems to be what I was looking for but I > would like to know more about MPI_Send. > > For example sending 1 byte with MPI_Send it takes 8.69 microsec but with > MPI_Ssend it takes 152.9 micr

[OMPI users] latency #2

2010-09-13 Thread Georges Markomanolis
Dear all, Hi again, after using MPI_Ssend seems to be what I was looking for but I would like to know more about MPI_Send. For example sending 1 byte with MPI_Send it takes 8.69 microsec but with MPI_Ssend it takes 152.9 microsec. I understand the difference but it seems that from one messag