Re: [OMPI users] MPI_Init() time

2015-04-15 Thread Jeff Squyres (jsquyres)
As Ralph mentioned, the 1.4.x series is very old. Any chance you can upgrade to 1.8.x? > On Apr 15, 2015, at 7:12 AM, cristian wrote: > > Hello, > > I noticed when performing a profiling of an application that the MPI_init() > function takes a considerable amount of time. > There is a big d

Re: [OMPI users] MPI_Init() time

2015-04-15 Thread Ralph Castain
With an OMPI that old, it’s anyone’s guess - I have no idea. > On Apr 15, 2015, at 4:12 AM, cristian wrote: > > Hello, > > I noticed when performing a profiling of an application that the MPI_init() > function takes a considerable amount of time. > There is a big difference when running 32 p

[OMPI users] MPI_Init() time

2015-04-15 Thread cristian
Hello, I noticed when performing a profiling of an application that the MPI_init() function takes a considerable amount of time. There is a big difference when running 32 processes over 32 machines and 32 processes over 8 machines (Each machine has 8 cores). These are the results of the profil