Hi Kapil, I will comment below: 2015-10-08 15:39 GMT+02:00 Kapil Arya <kapil.arya...@gmail.com>:
> Hi Edson, > > For coordinator-less checkpointing, I would suggest that you use the > "--no-coordinator" flag with dmtcp_launch. > The version 2.2 woks fine with --no-coordination: ~/test/plugin/applic-initiated-ckpt/applic$ dmtcp_launch --no-coordinator ./applic > This allows you to specify an checkpoint interval. > In this case above, how the checkpoint interval works? Should the applic.c wait until DMTCP_CHECKPOINT_INTERVAL for makes the checkpoint. I ask because seems that it not waiting for DMTCP_CHECKPOINT_INTERVAL. > Further, you can also provide a port number with "--port" and then use > dmtcp_command to request checkpoints explicitly. > I would like that each process start the checkpoint in a different interval. For sample, suppose 4 MPI processes: - process 0 makes checkpoint every 5 seconds - process 1 makes checkpoint every 8 seconds - process 2 makes checkpoint every 3 seconds so on... Can I set that behaviour, that is, both interval and request checkpoints directly in my MPI application code? Thank you again! Edson
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