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Try the traditional Bht, as it seems like it might be less fiddly with

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speculative training.
This commit is contained in:
Jonathan Woodruff
2021-11-08 12:34:07 +00:00
parent 6713505d12
commit e342600cb5
2 changed files with 2 additions and 2 deletions
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2
src_Core/RISCY_OOO/procs/RV64G_OOO/ProcConfig.bsv
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@@ -61,7 +61,7 @@
// tournament predictor, other options are: BHT, TOUR, GSELECT, GSHARE. NOTE
// that the predictors are of different size.
`define DIR_PRED_TOUR
`define DIR_PRED_BHT
`define LOG_DEADLOCK_CYCLES 26 // 64M cycles for deadlock detection

2
src_Core/RISCY_OOO/procs/lib/Bht.bsv
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@@ -46,7 +46,7 @@ export mkBht;
typedef Bit#(0) BhtTrainInfo; // no training info needs to be remembered
// Local BHT Typedefs
typedef 128 BhtEntries;
typedef 2048 BhtEntries;
typedef Bit#(TLog#(BhtEntries)) BhtIndex;
(* synthesize *)