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Snapshot isolation in graphical processing unit hardware transactional memory
Snapshot isolation in graphical processing unit hardware transactional memory
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机译:图形处理单元硬件事务存储器中的快照隔离
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摘要
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 (WSA) correctly eliminated, SI can reduce the occurrence of aborts, save the work done by transactions, and greatly benefit long transactions involving complex data structures. Embodiments include a multi-versioned memory subsystem for hardware-based transactional memory (HTM) on the GPU, with a method for eliminating the WSA on the fly, and incorporates SI. The GPU HTM can provide reduced compute time for some compute tasks.
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