Can you tell when the next checkpoint is for a given work unit?

Message boards : Number crunching : Can you tell when the next checkpoint is for a given work unit?

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[B^S] sTrey
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Message 1650 - Posted: 16 May 2006, 5:19:21 UTC

CPDN is quite nice this way, allowing me to minimize work loss when I must restart boinc or the OS. Recent memory issues with ralph have increased my interest in being able to do restarts with minimal loss.

I realize not all applications are predictable in the way CPDN units are, but I\'m just wondering, is there any way to tell from Ralph graphics how close the next checkpoint is? E.g. my understanding is that rosetta checkpoints once per model; if that\'s correct then is there a known # of steps per model?
Or do you just wait for the model # or progress % to change and therefore know after the fact that a checkpoint just occurred?
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Message 1652 - Posted: 16 May 2006, 11:43:00 UTC - in response to Message 1650.  

CPDN is quite nice this way, allowing me to minimize work loss when I must restart boinc or the OS. Recent memory issues with ralph have increased my interest in being able to do restarts with minimal loss.

I realize not all applications are predictable in the way CPDN units are, but I\'m just wondering, is there any way to tell from Ralph graphics how close the next checkpoint is? E.g. my understanding is that rosetta checkpoints once per model; if that\'s correct then is there a known # of steps per model?
Or do you just wait for the model # or progress % to change and therefore know after the fact that a checkpoint just occurred?

They check point about every 20 min, CPU time, but there is no way to tell that I am aware of wehn intermediate checkpoints occur. When the whole number in the percent complete jump (say from 1.04% to 10.00%) that is a checkpoint, but it is also a model end point.
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Message boards : Number crunching : Can you tell when the next checkpoint is for a given work unit?



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