Base-delta-immediate compression: Practical data compression for on-chip caches

Cache compression is a promising technique to increase on-chip cache capacity and to decrease on-chip and off-chip bandwidth usage. Unfortunately, directly applying well-known compression algorithms (usually implemented in software) leads to high hardware complexity and unacceptable decompression/co...

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Vydáno v:PACT'12 : proceedings of the 21st International Conference on Parallel Architectures and Compilation Techniques, September 19-23, Minneapolis, Minnesota, USA s. 377 - 388
Hlavní autoři: Pekhimenko, Gennady, Seshadri, Vivek, Mutlu, Onur, Kozuch, Michael A., Gibbons, Phillip B., Mowry, Todd C.
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: ACM 01.09.2012
Témata:
Bandwidth
Cache compression
Caching
Complexity theory
Compression algorithms
Data compression
Dynamic range
Hardware
Memory
System-on-chip
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Shrnutí:Cache compression is a promising technique to increase on-chip cache capacity and to decrease on-chip and off-chip bandwidth usage. Unfortunately, directly applying well-known compression algorithms (usually implemented in software) leads to high hardware complexity and unacceptable decompression/compression latencies, which in turn can negatively affect performance. Hence, there is a need for a simple yet efficient compression technique that can effectively compress common in-cache data patterns, and has minimal effect on cache access latency.
DOI:10.1145/2370816.2370870