Spatio-temporal memory streaming

11 years 8 months ago
Spatio-temporal memory streaming
Recent research advocates memory streaming techniques to alleviate the performance bottleneck caused by the high latencies of off-chip memory accesses. Temporal memory streaming replays previously observed miss sequences to eliminate long chains of dependent misses. Spatial memory streaming predicts repetitive data layout patterns within fixed-size memory regions. Because each technique targets a different subset of misses, their effectiveness varies across workloads and each leaves a significant fraction of misses unpredicted. In this paper, we propose Spatio-Temporal Memory Streaming (STeMS) to exploit the synergy between spatial and temporal streaming. We observe that the order of spatial accesses repeats both within and across regions. STeMS records and replays the temporal sequence of region accesses and uses spatial relationships within each region to dynamically reconstruct a predicted total miss order. Using trace-driven and cycle-accurate simulation across a suite of commerci...
Stephen Somogyi, Thomas F. Wenisch, Anastasia Aila
Added 24 May 2010
Updated 24 May 2010
Type Conference
Year 2009
Where ISCA
Authors Stephen Somogyi, Thomas F. Wenisch, Anastasia Ailamaki, Babak Falsafi
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