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mem-cache: Undefine compression ratio of perfect compression

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Commit c0d67b2263 assumes that the
cache contains a parameter for its compression ratio. This is not
the case upstream, so force the user to provide it instead.

Change-Id: Ic7b4878bede6b0a34e4adfe7e0aa65a0ee48d1f6
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/36495
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Daniel R. Carvalho
2020-10-22 20:30:40 +02:00
committed by Daniel Carvalho
parent 9a8985a57f
commit 8f68d9d1be
1 changed files with 3 additions and 2 deletions
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5
src/mem/cache/compressors/Compressors.py vendored
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@@ -125,8 +125,9 @@ class PerfectCompressor(BaseCacheCompressor):
cxx_header = "mem/cache/compressors/perfect.hh"
chunk_size_bits = 64
max_compression_ratio = Param.Int(Parent.max_compression_ratio,
"Maximum compression ratio allowed")
max_compression_ratio = Param.Int("Maximum compression ratio allowed")
compression_latency = Param.Cycles(1,
"Number of cycles to perform data compression")
decompression_latency = Param.Cycles(1,