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Multisocket computer systems are popular in workstations and servers. However, they suffer from the relatively low bandwidth of intersocket communication especially for massive parallel workloads that generate many intersocket requests for synchronizations and remote memory accesses. Intersocket traffic puts pressure on the underlying network connecting all processors with a limited bandwidth confined...
Snapshot Isolation (SI) is an established model in the database community, which permits write-read conflicts to pass and aborts transactions only on write-write conflicts. With the Write Skew anomaly correctly eliminated, SI can reduce the occurrence of aborts, save the work done by transactions, and greatly benefit long transactions involving complex data structures. GPUs are evolving towards a...
Off-chip memory bandwidth has been considered as one of the major limiting factors of processor performance, especially for multi-cores and many-cores. Conventional processor design allocates a large portion of off-chip pins to deliver power, leaving a small number of pins for processor signal communication. We observe that a processor requires much less power during memory intensive stages than is...
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