cpu-o3: ideal: predictWitdh=64, numBr=6

Change-Id: I799e25ff0b96983f72350400e381589a3752a8cc
OpenXiangShan · Dec 18, 2024 · 74c799d · 74c799d
1 parent b70da7e
commit 74c799d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/configs/example/xiangshan.py b/configs/example/xiangshan.py
@@ -344,7 +344,8 @@ def setKmhV3IdealParams(args, system):
         # ideal decoupled frontend
         if args.bp_type is None or args.bp_type == 'DecoupledBPUWithFTB':
             # cpu.branchPred.enableTwoTaken = True
-            cpu.branchPred.numBr = 4
+            cpu.branchPred.numBr = 6
+            cpu.branchPred.predictWidth = 64
             cpu.branchPred.tage.enableSC = False # TODO(bug): When numBr changes, enabling SC will trigger an assert
             cpu.branchPred.ftq_size = 256
             cpu.branchPred.fsq_size = 256