Re: [OMPI devel] max. message size

2013-07-08 Thread Paul Kapinos
Mr mohammad assadsolimani, 1. your questions belongs to the 'OMPI users' mailing list, this one is for developers. 2. in MPI, the input parameters are defined to be integers. Integers usually are 32bit long (unless you use ILP64 instead of LP64, what is still unusual). So I swear, your

[OMPI devel] max. message size

2013-07-08 Thread mohammad assadsolimani
Dear all, I do my PhD in physics and use a program, which uses openmpi for a sophisticated calculation. But there is a Problem with "max. message size ". That is limited to ~2GB. I do not know how is called it exactly?! Is there any possibility to extend this memory size? I am very grateful