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Diffstat (limited to 'src/mem/cache/Cache.py')
| -rw-r--r-- | src/mem/cache/Cache.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mem/cache/Cache.py b/src/mem/cache/Cache.py index 48e52a8d5..531337f19 100644 --- a/src/mem/cache/Cache.py +++ b/src/mem/cache/Cache.py @@ -103,3 +103,11 @@ class Cache(BaseCache): # cache a line is dropped for a mostly exclusive cache. clusivity = Param.Clusivity('mostly_incl', "Clusivity with upstream cache") + + # Determine if this cache sends out writebacks for clean lines, or + # simply clean evicts. In cases where a downstream cache is mostly + # exclusive with respect to this cache (acting as a victim cache), + # the clean writebacks are essential for performance. In general + # this should be set to True for anything but the last-level + # cache. + writeback_clean = Param.Bool(False, "Writeback clean lines") |