OS Execution on Multi-Cores: Is Out-Sourcing Worthwhile?

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Provided by: The University of Tulsa
Topic: Hardware
Format: PDF
Large-scale multi-core chips open up the possibility of implementing heterogeneous cores on a single chip, where some cores can be customized to execute common code patterns. The operating system is an example of a common code pattern that is constantly executing on every processor. It is therefore a prime candidate for core customization. Recent work has begun to explore this possibility, where some fraction of system calls and other OS functionality is off-loaded to a separate special-purpose core. Studies have shown that this can improve overall system performance and power consumption.
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