Reducing Cache Misses for CC-NUMA by Careful Page-mapping
1997
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Reducing Cache Misses for CC-NUMA by Careful Page-mapping
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1997
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Careful page mapping has been shown in the past to be effective for reducing cache conflicts on both
uniprocessor and Uniform Memory Access (UMA) multiprocessors. We extend previous page-mapping
schemes to Cache-Coherent Non-Uniform Memory Access (CG-NUMA) multiprocessors. These extensions
maintain the program's data-task affinity, which is important to CG-NUMA, while reducing cache
set conflicts by carefully selecting the page frames. Using an execution-driven simulator that simulates
a CC-NUMA machine with a 2-MB secondary cache and a 16-KB primary cache on each of the 16
four-issue super-scalar processors, we find that a simplistic application of page-coloring performs worse
than bin-hopping by 10-45%, while by hashing the page color with part of the MID bits, page-coloring can
perform closely to bin-hopping.
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Huang, Jian; Li, Zhiyuan. (1997). Reducing Cache Misses for CC-NUMA by Careful Page-mapping. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/215319.
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