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OpenXiangShan / XiangShan

Open-source high-performance RISC-V processor
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bpu: use (27, 12, 12) segmented PC in BPU #3027

Closed eastonman closed 2 months ago

eastonman commented 4 months ago

In dhrystone, most high bits of PC is gated.

Screenshot 2024-06-01 at 18 53 36
XiangShanRobot commented 3 months ago
[Generated by IPC robot] commit: 0023f8390535db81240623e866694b58909f52f7 commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
0023f83 1.821 0.448 2.054 1.173 2.950 2.500 2.291 0.923 1.376 1.265 3.448 2.667 2.398 2.940
master branch: commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
071c63e
6b742a1
dc30dd9 2.054 1.173 0.923 1.376 3.448 2.940
cd467f7 1.821 0.448 2.054 1.173 2.950 2.500 2.291 0.923 1.376 1.265 3.448 2.667 2.398 2.940
75b44a5 1.821 0.448 2.054 1.173 2.950 2.500 2.291 0.923 1.376 1.265 3.448 2.667 2.398 2.940
321866f 1.821 0.448 2.054 1.173 2.950 2.500 2.291 0.924 1.376 1.265 3.448 2.667 2.398 2.940
082b30d 1.821 0.448 2.054 1.173 2.950 2.500 2.291 0.923 1.376 1.265 3.448 2.667 2.398 2.940
0e28018 1.823 0.448 2.054 1.172 2.950 2.500 2.292 0.923 1.376 1.265 3.449 2.656 2.398 2.943
df7130a 1.823 0.448 2.054 1.172 2.950 2.500 2.292 0.923 1.376 1.265 3.449 2.656 2.398 2.943
XiangShanRobot commented 2 months ago
[Generated by IPC robot] commit: 9a5a8e3392f6f8575f660fe8f5ef0c0e73c04b2d commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
9a5a8e3 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
master branch: commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
11d5798 2.003 1.199 0.928 1.374 2.956
db00024 2.003 2.207 1.374
1d2f6c6 2.003 1.199 0.928 1.374 1.441 3.153 2.956
94d703a 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
47986d3 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
38f78b5 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
e6ac7fe 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
ec15951 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
dab1ad8 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956
c6655c9 1.784 0.458 2.003 1.199 2.920 2.498 2.207 0.928 1.374 1.441 3.153 2.600 2.385 2.956