There is a simple (and good) reason not to have it in the upcoming
release. By lack of time, I didn't manage to test it well enough. As
I'm not 100% confident that it will not create any problems, I
preferred to left it out of the 1.3.
If you want to test it, please fell free to do so. And
Can someone tell me about mca_btl_sm_sendi()? In btl_sm.c, I see that
it's commented out of the structure "mca_btl_sm".
It seems to me that pingpong latency over shared memory in OMPI isn't as
fast as certain "competitors". If I put mca_btl_sm_sendi back in, it
seems to improve the pingpong