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authorDaniel R. Carvalho <odanrc@yahoo.com.br>2018-05-30 14:31:06 +0200
committerDaniel Carvalho <odanrc@yahoo.com.br>2019-07-17 23:06:20 +0000
commit28059ffcdf50871b1be573c29a656da9473287d1 (patch)
tree6d552c5cff47c6421a5951fc686ea0a4e7dac140 /src/sim
parent4dd475c1c0db6915f811a246c9e6fce8a61a6a77 (diff)
downloadgem5-28059ffcdf50871b1be573c29a656da9473287d1.tar.xz
mem-cache: Create CPack compressor
Implementation of C-Pack, as described in "C-Pack: A High- Performance Microprocessor Cache Compression Algorithm". C-Pack uses pattern matching schemes to detect and compress frequently appearing data patterns. As in the original paper, it divides the input in 32-bit words, and uses 6 patterns to match with its dictionary. For the patterns, each letter represents a byte: Z is a null byte, M is a dictionary match, X is a new value. The patterns are ZZZZ, XXXX, MMMM, MMXX, ZZZX, MMMX. Change-Id: I2efc9db2c862620dcc1155300e39be558f9017e0 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/11105 Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
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