i raised it to 20 sec but same results

sorry i am new to checkpoint restart

i am trying this initially on one multicore pc

how should it look like if the restart succeed? should it work in the same terminal in which i am running restart command

my test app has 5000 iterations , checkpoint is taken at iteration no 300 for example , if i choose to restart from this checkpoint file should it restart near this iteration no 300

2013/6/6 Wesley Bland <wbland@mcs.anl.gov>

Is there actually anything in those checkpoints? With a checkpoint happening every 4 seconds you may be overdoing it.

Wesley

On Jun 5, 2013, at 2:14 PM, Rajeev Thakur <thakur@mcs.anl.gov> wrote:

> I don't know, but see if anything on this page helps:
> http://wiki.mpich.org/mpich/index.php/Checkpointing
>
> On Jun 5, 2013, at 4:09 PM, john donald wrote:
>
>>
>>
>> ---------- Forwarded message ----------
>> From: john donald <johnd9886@gmail.com>
>> Date: 2013/6/3
>> Subject: ckpoint-num error
>> To: mpich-discuss@mcs.anl.gov
>>
>>
>> i used mpiexec with checkpoint and created two checkpoint files:
>>
>> mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint  -ckpoint-interval 4  -n 4  /home/john/app/md
>>
>> context-num0-0-0
>> context-num1-0-0
>>
>>
>> i am trying to make a restart
>> mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint -n 4 -ckpoint-num 1
>>
>> but nothing happened it just hangs
>> i also tried:
>> mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint -n 4 -ckpoint-num 0-0-0
>> also hangs
>>
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