Exact(1)
Fig. 1 Aggregated task view visualizing the time resolved progress of 9253 data intensive computing tasks, which have been transferred to a HPC cluster, where each task has been scheduled by Univa Grid Engine.
Similar(7)
Although Sm@rtConfig supports multiple PUs, in this case study, these tasks have been scheduled to execute on an platform composed by one CPU and one GPU.
If getEarliestStartTime returns −1, it means that an earliest start time for task t cannot be determined as yet because not all of task t's parent tasks have been scheduled.
However, a task that has been scheduled but has not started executing can be rescheduled or assigned to another resource, if required.
Let T be the task with the least utility that has been scheduled, and its utility be u.
If there is no unused slot, the replacement function also finds the task with the smallest utility that has been scheduled among all the machines.
In VMR, however, all the reduce tasks that have been scheduled can proceed as normal, since map outputs are hosted at mappers (whose address is already known to reducers).
In Fig. 5, the gray slots have been scheduled with tasks, and the numbers on the gray slots represent task utility.
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