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Memory system of chip multi-threaded processors (CMT) suffers greater than ever before because of memory latencies brought by overloaded memory accessing requests. Data prefetching using helper threads has been proved to be an effective approach to tolerate memory latencies by past researches. However, as the sum total of threads increase, simultaneously occupying available idle thread context in...
The pre-sending technique, proposed from distributed shared memory systems, pushes data to cache instead of pulling,aiming at reducing the traffic of communication. On a purpose of effectively improving cache hit ratio, this paper proposes a hardware-based active-pushing technique, which directs data owners like lower-level of memory hierarchy to actively push the predicted data at the right moment...
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