[SCore-users-jp] Re: [SCore-users] Backfilling in Score

[Atsushi HORI]

Hi,

>Now I am using SCORE in Linux Cluster and getting the results.
>I found one strange thing.
>Score looks like doing backfilling in SCORE.
>I didn't use PBS.
>So, doest Score support backfilling?

No, SCore does NOT support backfilling, but DOES support Gang 
Scheduling, which is a time sharing scheduling on a cluster. In 
backfilling and gang scheduling, the latter submitted job can be 
scheduled before the previous job terminates. But this can happen 
only when some conditions are met in backfilling. In gang scheduling, 
any jobs are scheduled when they are submitted, just because gang 
scheduling is a kinf of time scheduling. But of course, when multiple 
jobs are scheduled in gang scheduling, their execution speeds get 
slower according to the number of jobs simultaneously running. This 
scheduling behaviour is the same as in Unix or Linux.

----
Atsushi HORI
Swimmy Software, Inc.

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