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| H A D | base.cc | diff 13863:f7391cb38ce7 Thu Apr 18 08:54:00 EDT 2019 Daniel R. Carvalho <odanrc@yahoo.com.br> mem-cache: Fix increasing replacement count Replacements should be increased when there is any evicted block, which does not necessarily have to be the victim. For example, assume a superblock contains 4 blocks, and both A and C are stored compressed (belonging to SB_1). Then F, from SB2 needs to make room by replacing SB1. If F map to location 2, the number of replacements should be increased, even though 2 had no valid blocks: Tag Data Tag Data |SB_1|--|A|X|C|X| --> |SB_2| |X|F|X|X| 1 2 3 4 1 2 3 4 Change-Id: I7b3735d28a35faa8d8fa613a1555bb258da65859 Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18208 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> |
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