Re: [OMPI users] sending/receiving large buffers

[Vincent Loechner]

Martin,

> I expect problems with sizes larger than 2^31-1, but these array sizes
> are still much smaller.
No, they are bigger, you allocate two arrays of 320 Mdouble :
2 * 320M * 8 = 5GB.

Are your processes limited to 4GB virtual memory ?

--Vincent