Hi Gilbert,
Checksums are turned off by default. If you need checksums to be activated
add "-mca pml csum" to the mpirun command line.
Checksums are enabled only for inter-node communication. Intra-node
communication is typically over shared memory and hence checksum is disabled
for this case.
If
Bonjour,
I'm not sure I understand how to trigger CHECKSUM use
inside of OpenMPI 1.4.1 (after digging in the FAQs, I got not explanations,
sorry):
- Is checksuming activated by default and embedded automatically
within the Send/Recv pair mechanism, please ?
- If not, which MCA param(S) should
