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authorDaniel <odanrc@yahoo.com.br>2018-11-11 11:55:37 +0100
committerDaniel Carvalho <odanrc@yahoo.com.br>2018-11-15 16:51:27 +0000
commit67e45b872a0bd268e3ce4158c25c6f27e8b0d42e (patch)
treead8d4139cc85e170d8c28d9a73cb04eb6f833d1d /src/mem/cache/prefetch/Prefetcher.py
parentfafe4e80b76e93e3d0d05797904c19928587f5b5 (diff)
downloadgem5-67e45b872a0bd268e3ce4158c25c6f27e8b0d42e.tar.xz
mem-cache: Cleanup prefetchers
Prefetcher code had extra variables, dependencies that could be removed, code duplication, and missing overrides. Change-Id: I6e9fbf67a0bdab7eb591893039e088261f52d31a Signed-off-by: Daniel <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/14355 Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Diffstat (limited to 'src/mem/cache/prefetch/Prefetcher.py')
-rw-r--r--src/mem/cache/prefetch/Prefetcher.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/Prefetcher.py b/src/mem/cache/prefetch/Prefetcher.py
index 316a6d0ba..09717dff7 100644
--- a/src/mem/cache/prefetch/Prefetcher.py
+++ b/src/mem/cache/prefetch/Prefetcher.py
@@ -65,6 +65,9 @@ class BasePrefetcher(ClockedObject):
]
sys = Param.System(Parent.any, "System this prefetcher belongs to")
+ # Get the block size from the parent (system)
+ block_size = Param.Int(Parent.cache_line_size, "Block size in bytes")
+
on_miss = Param.Bool(False, "Only notify prefetcher on misses")
on_read = Param.Bool(True, "Notify prefetcher on reads")
on_write = Param.Bool(True, "Notify prefetcher on writes")
@@ -109,6 +112,9 @@ class StridePrefetcher(QueuedPrefetcher):
cxx_class = 'StridePrefetcher'
cxx_header = "mem/cache/prefetch/stride.hh"
+ # Do not consult stride prefetcher on instruction accesses
+ on_inst = False
+
max_conf = Param.Int(7, "Maximum confidence level")
thresh_conf = Param.Int(4, "Threshold confidence level")
min_conf = Param.Int(0, "Minimum confidence level")