Power/Performance Hardware Optimization for Synchronization Intensive Applications in MPSoCs

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Provided by: edaa
Topic: Hardware
Format: PDF
This paper explores optimization techniques of the synchronization mechanisms for MPSoCs based on complex interconnect (Network-on-Chip), targeted at future power efficient systems. The proposed solution is based on the idea of locally performing synchronization operations which require the continuous polling of a shared variable, thus featuring large contention (e.g. spin locks). The authors introduce a HW module, the Synchronization-operation Buffer (SB), which queues and manages the requests issued by the processors. Experimental validation has been carried out by using GRAPES, a cycle-accurate performance/power simulation platform.
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