Local Scheduling out-performs Gang Scheduling on a Beowulf Cluster
Gang Scheduling and related techniques are widely believed to be necessary for efficient job scheduling on distributed memory parallel computers. This is because they minimize context switching overheads and permit the parallel job currently running to progress at the fastest possible rate. However, in the case of cluster computers, and particularly those with COTS networks, these benefits can be overwhelmed in the multiple job time-sharing context by the loss the ability to utilize the...[Show more]
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