bpu: baseline

Change-Id: I8169dea27f9df81084650085a88b77dba70a69fc

Author: ProgramGP

src/cpu/pred/BranchPredictor.py

@@ -1126,10 +1126,10 @@ class BTBMGSC(TimedBaseBTBPredictor):
     biasTableNum = Param.Unsigned(1, "Num bias tables")
     biasTableIdxWidth = Param.Unsigned(11, "Log number of bias entries")
 
-    percepTableEntryNum = Param.Unsigned(256, "Num of entries in perception preditor weight table")
-    gbhrLen = Param.Unsigned(256, "Length of gbhr in perception predictor")
-    percepTableWidth = Param.Unsigned(10, "Width of weight in perception predictor table")
-    percepThres = Param.Unsigned(510, "Threshold of perception predictor")
+    percepTableEntryNum = Param.Unsigned(512, "Num of entries in perception preditor weight table")
+    gbhrLen = Param.Unsigned(64, "Length of gbhr in perception predictor")
+    percepTableWidth = Param.Unsigned(8, "Width of weight in perception predictor table")
+    percepThres = Param.Unsigned(137, "Threshold of perception predictor")
 
     thresholdTablelogSize = Param.Unsigned(6,
         "Log size of update threshold counters tables")
@@ -1160,7 +1160,7 @@ class BTBMGSC(TimedBaseBTBPredictor):
     enablePTable = Param.Bool(False, "Enable P (path) table")
     enableBiasTable = Param.Bool(True, "Enable Bias table")
     enablePCThreshold = Param.Bool(False, "Enable PC-indexed threshold table")
-    enablePerceptionPred = Param.Bool(True, "Enable perception predictor")
+    enablePerceptionPred = Param.Bool(False, "Enable perception predictor")
 
     numDelay = 2