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Author SHA1 Message Date
Ross Thompson
9c9acc0055 Updated gshare (no speculation) to have better performance. 2023-02-13 18:52:52 -06:00
Ross Thompson
33d2bf84f8 More fixeds to global history. 2023-02-13 18:08:51 -06:00
Ross Thompson
a579bbcdd1 Fixed global history predictor. 2023-02-13 18:08:13 -06:00
Ross Thompson
bbc6095260 Updated global history predictor. 2023-02-13 18:07:32 -06:00
Ross Thompson
9f25b53b36 Fixed bug in basic gshare implementation. Should be a better comparison to the speculative versions now. 2023-02-13 17:57:05 -06:00
Ross Thompson
b298a8afc5 Created copy of gshare. I think there may be a simpler implementation. 2023-02-13 17:29:51 -06:00
Ross Thompson
a80dbd3aec Further branch predictor improvements. 2023-02-13 17:23:56 -06:00
Ross Thompson
717cba270c Partial improvement. 2023-02-13 17:10:24 -06:00
Ross Thompson
f4af38a004 Hacked commit. Fixes the gshare bugs introduced last week. 
Need to recover the good changes in the next commit.
 2023-02-13 16:14:17 -06:00
Ross Thompson
8968639aff Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-13 11:58:02 -06:00
Ross Thompson
1d74663f42 Partial fix for gshare bugs from the last two weeks. 2023-02-13 11:57:25 -06:00
Ross Thompson
58749a8c57 Removed another bit from btb class. 2023-02-12 11:33:43 -06:00
Kevin Kim
c59dfc1e30
fixed typo in LZC 2023-02-11 19:59:03 -08:00
Ross Thompson
1e0667db1d More simplifications to the BP. 2023-02-10 17:09:35 -06:00
Ross Thompson
9c4da7381f Experimental branch prediction optimization. 2023-02-10 15:45:56 -06:00
David Harris
005ca7ae98
Merge pull request #76 from ross144/main 
Simplified branch predictor
 2023-02-10 09:00:44 -08:00
Ross Thompson
9c2e0de672 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-10 10:38:39 -06:00
Ross Thompson
c229f0064e Modified branch predictor to use InstrValidE and InstrValidD rather than the more complex InstrClassE | WrongClassE logic. 2023-02-10 10:33:10 -06:00
Ross Thompson
c90727a25f Added new features to branch predictor analysis script. 2023-02-10 09:07:06 -06:00
Ross Thompson
282ffd1313 RAS and RAS documentation now consistent. 2023-02-10 09:06:51 -06:00
David Harris
799bf20a6b
Merge pull request #75 from davidharrishmc/dev 
E154 lab 2
 2023-02-09 18:28:56 -08:00
David Harris
8ad5f2b181 Added RVTEST_CASE to testgen header 2023-02-09 18:25:24 -08:00
David Harris
51a792431f Moved test generators 2023-02-09 18:24:48 -08:00
David Harris
a152bf94bb
Merge pull request #74 from davidharrishmc/dev 
E154 lab 2 changes
 2023-02-09 18:15:42 -08:00
David Harris
f2c7a489b2 Test gen header 2023-02-09 18:14:26 -08:00
Ross Thompson
faf7cd8c8a Updated globalhistory predictor. 2023-02-09 14:48:02 -06:00
Ross Thompson
2b27842d64 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-09 14:28:20 -06:00
Ross Thompson
938e06d784 Merge branch 'main' of github.com:ross144/cvw 2023-02-08 18:25:16 -06:00
Ross Thompson
996bb289d3 Simplified branch predictor. 2023-02-08 18:24:38 -06:00
David Harris
7383fbd144 Removed unnecessary --enable-multilib from gcc build commands because --with-multilib-generator implies it 2023-02-08 13:02:21 -08:00
David Harris
5bf709d7c3 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-07 16:49:58 -08:00
David Harris
bcd90bdb4e Paths changed in latest GCC 2023-02-07 16:49:50 -08:00
David Harris
33fe29f262
Merge pull request #73 from mmasserfrye/main 
corrected feature (elimination) sweep, changed default freqs, plotting
 2023-02-07 16:44:20 -08:00
David Harris
b22a025db4
Merge pull request #72 from ross144/main 
Fixed a preformance bug in the branch predictor.
 2023-02-07 16:43:29 -08:00
David Harris
32e38a7d95
Update README.md 
gcc seems to have changed its path to executables
 2023-02-07 16:35:44 -08:00
Ross Thompson
920bd40822 fpga constraints updates 2023-02-07 15:22:14 -06:00
Madeleine Masser-Frye
3d232139be
Merge branch 'openhwgroup:main' into main 2023-02-07 23:20:41 +02:00
Madeleine Masser-Frye
36cef9fff2 changed default freqs for synth sweeps 
updated plotting to not overlap labels
 2023-02-07 21:18:39 +00:00
Ross Thompson
c8085fead4 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-07 14:37:51 -06:00
Madeleine Masser-Frye
ed7e2e4ace for feature sweep 
now adding feature modifications on top of each other
 2023-02-07 20:07:43 +00:00
Ross Thompson
7263fab4b1 Branch predictor cleanup. 2023-02-07 14:01:59 -06:00
David Harris
195e7c1a9c Moved STATUS_FS_INT write to if statement to properly prioritize 2023-02-07 06:55:42 -08:00
David Harris
0712fa8f67 Disabled STATUS_FS at reset, fixing issue #71 2023-02-07 06:31:14 -08:00
David Harris
93637fd9cb debug simulating, produing discrepancy 2023-02-06 16:47:56 -08:00
David Harris
d8b1ff7220 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-06 15:39:18 -08:00
David Harris
bb39570576 Fixed floating point crash in debug.S 2023-02-06 15:38:57 -08:00
David Harris
8b10d6ef4a
Merge pull request #69 from ross144/main 
Fixed spilled instruction fetch ITLB miss interlock with load miss.
 2023-02-06 15:37:02 -08:00
Ross Thompson
54a128491e Fixed Bug 66. 
If a load missed at the same time as a spilled instruction fetch with an ITLB miss in the second cache line, the HPTW did not wait for the load miss to finish.
 2023-02-06 17:32:28 -06:00
David Harris
a09125cc36
Merge pull request #68 from ross144/main 
Found a minor bug in hptw.  hptw fsm had unreachable state.
 2023-02-06 14:51:38 -08:00
Ross Thompson
a33c579e4b Removed unreachable if branch in hptw next state logic. 2023-02-06 16:42:07 -06:00