Carlos,
MPI_Isend() does not automatically frees the buffer after it sends the message.
(it simply cannot do it since the buffer might be pointing to a global
variable or to the stack).
Can you please extract a reproducer from your program ?
Out of curiosity, what if you insert an (useless)
Hi Jeff,
Thank you for your reply.
If i don't free the program completes but I'm not sure whether MPI_Isend
automatically frees the buffer after it sends the message. Does it?
I put a long sleep at the end to check the memory used using pmap.
The pmap command reported I'm using around 2GB
