Re: [OMPI users] Broadcast and root process

2013-04-30 Thread giggzounet
ok. Thx for your answer. The documentation was not clear on this subject. Cheers Guillaume Le 29/04/2013 17:49, George Bosilca a écrit : > No, the root processor can be different for every broadcast, but for a same > broadcast every process involved must know who the root is. That's the only >

Re: [OMPI users] Broadcast and root process

2013-04-29 Thread George Bosilca
No, the root processor can be different for every broadcast, but for a same broadcast every process involved must know who the root is. That's the only condition MPI imposes. George. On Apr 29, 2013, at 13:15 , giggzounet wrote: > Hi, > > I'm new on this list. I'm using MPI for years but I

[OMPI users] Broadcast and root process

2013-04-29 Thread giggzounet
Hi, I'm new on this list. I'm using MPI for years but I don't have written a lot of code with MPI. Therefore is my question perhaps ridiculous: I'm using a Computational Fluid Mechanics (CFD) Solver. This Solver uses MPI to exchange the data between the different partitions. In this solver the "r