diff options
Diffstat (limited to 'src/mem/cache/prefetch/Prefetcher.py')
| -rw-r--r-- | src/mem/cache/prefetch/Prefetcher.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/Prefetcher.py b/src/mem/cache/prefetch/Prefetcher.py index 36e254151..31d748698 100644 --- a/src/mem/cache/prefetch/Prefetcher.py +++ b/src/mem/cache/prefetch/Prefetcher.py @@ -341,3 +341,25 @@ class SlimAMPMPrefetcher(QueuedPrefetcher): dcpt = Param.DeltaCorrelatingPredictionTables( SlimDeltaCorrelatingPredictionTables(), "Delta Correlating Prediction Tables object") + +class BOPPrefetcher(QueuedPrefetcher): + type = "BOPPrefetcher" + cxx_class = "BOPPrefetcher" + cxx_header = "mem/cache/prefetch/bop.hh" + score_max = Param.Unsigned(31, "Max. score to update the best offset") + round_max = Param.Unsigned(100, "Max. round to update the best offset") + bad_score = Param.Unsigned(10, "Score at which the HWP is disabled") + rr_size = Param.Unsigned(64, "Number of entries of each RR bank") + tag_bits = Param.Unsigned(12, "Bits used to store the tag") + offset_list_size = Param.Unsigned(46, + "Number of entries in the offsets list") + negative_offsets_enable = Param.Bool(True, + "Initialize the offsets list also with negative values \ + (i.e. the table will have half of the entries with positive \ + offsets and the other half with negative ones)") + delay_queue_enable = Param.Bool(True, "Enable the delay queue") + delay_queue_size = Param.Unsigned(15, + "Number of entries in the delay queue") + delay_queue_cycles = Param.Cycles(60, + "Cycles to delay a write in the left RR table from the delay \ + queue") |