Demonstrates improved synchronization in scalable parallel computers, indicating better communication efficiency.
Scalable parallel computers are often nonuniform communication architectures (NUCAs), where the access time to other processor's caches vary with their physical location. Still, few attempts of exploring cache-to-cache communication locality have been made. This paper introduces a new kind of synchronization primitives (lock-unlock) that favor neighboring processors when a lock is released. This improves the lock handover time as well as access time to the shared data of the critical region.
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Radović et al. (2002) studied this question.
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