cpu-o3: reduce fsq size to 64

Change-Id: Ida30dab747aaf11d36b38637476b1c137e589942

Author: Yakkhini

configs/example/idealkmhv3.py

@@ -78,8 +78,8 @@ def setKmhV3IdealParams(args, system):
 
         # branch predictor
         if args.bp_type == 'DecoupledBPUWithBTB':
-            cpu.branchPred.ftq_size = 256
-            cpu.branchPred.fsq_size = 256
+            cpu.branchPred.ftq_size = 64
+            cpu.branchPred.fsq_size = 64
             cpu.branchPred.enable2Fetch = True
 
         # l1 cache per core

configs/example/kmhv3.py

@@ -92,8 +92,8 @@ def setKmhV3Params(args, system):
 
         # branch predictor
         if args.bp_type == 'DecoupledBPUWithBTB':
-            cpu.branchPred.ftq_size = 256
-            cpu.branchPred.fsq_size = 256
+            cpu.branchPred.ftq_size = 64
+            cpu.branchPred.fsq_size = 64
 
             cpu.branchPred.mbtb.resolvedUpdate = True
             cpu.branchPred.tage.resolvedUpdate = True