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Linux kernel co-scheduling and bulk synchronous parallelism
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DOI：10.1177/1094342011433523.png)
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摘要
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This paper describes a kernel scheduling algorithm that is based on co-scheduling principles and that is intended for parallel applications running on 1000 cores or more. Experimental results for a Linux implementation on a Cray XT5 machine are presented. The results indicate that Linux is a suitable operating system for this new scheduling scheme, and that this design provides a dramatic improvement in scaling performance for synchronizing collective operations at scale.
Keyword:
co-scheduling
kernel scheduling
operating system interference
operating system noise
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2.5
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