Re: [OMPI users] Thread Safety

2006-05-30 Thread Brian Barrett
On May 26, 2006, at 11:31 PM, imran shaik wrote: I have installed openMPI alpha 7 release. I created an MPI programs with pthreads. I ran with just 6 process, each thread making MPI calls concurrently with main thread. Things work fine . I use a TCP network. Some times i get a strange err

Re: [OMPI users] Thread Safety

2006-05-27 Thread imran shaik
Hi jeff, thanks for your comprehensive reply. I have installed openMPI alpha 7 release. I created an MPI programs with pthreads. I ran with just 6 process, each thread making MPI calls concurrently with main thread. Things work fine . I use a TCP network. Some times i get a strange error

Re: [OMPI users] Thread Safety

2006-05-26 Thread George Bosilca
On May 26, 2006, at 6:55 AM, Jeff Squyres ((jsquyres)) wrote: MPI_THREAD_MULITPLE is "somewhat" supported, meaning that support for it was designed in to Open MPI, but it has not been fully stress tested. As such, there is likely to still be bugs when using multiple user threads with MPI_

Re: [OMPI users] Thread Safety

2006-05-26 Thread Jeff Squyres (jsquyres)
MPI_THREAD_MULITPLE is "somewhat" supported, meaning that support for it was designed in to Open MPI, but it has not been fully stress tested. As such, there is likely to still be bugs when using multiple user threads with MPI_THREAD_MULTIPLE. fork() is not technically supported by the MPI standa