Hi,
Is there any option in mpirun which enables us to switch dynamically from
shmem mode to knem/xpmem mode beyond a specifiable message size?
This is because, according to my tests, knem performs better than shmem
only at large message sizes.
--
Abhishek
Hi,
In amd64, we have rdtsc instruction which uses a timer updated at cpu
frequency. The frequency is given by variable, opal_timer_linux_freq which
is the cpu frequency.
Consider the case where a timer updated at non-cpu frequency is to be used.
Question: In this case, how do we specify the fr
Hi,
I came across this patch in OMPI opal.
https://www.open-mpi.org/community/lists/devel/2010/12/8819.php
I am looking to add similar support for armv8-A but I have a small query
regarding the implementation of *opal_sys_timer_get_cycles *for AMRv7-A.
It uses the Linux *times *function which ret