verilator_performance-3.txt

baseline commit 6882f8c55e9ab55f298e5203c193d0ccd94e2a57:
➜  XiangShan git:(master) ✗ ~/.homebrew/bin/numactl --physcpubind=0-7,16-23 perf stat -e L1-dcache-load-misses -e L1-icache-load-misses -e branch-misses -e branch-load-misses -e cpu-cycles -e instructions -e stalled-cycles-frontend -e stalled-cycles-backend -e branch-instructions sh -c "./build/emu --no-diff -i /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin 2>/dev/null"
emu compiled at Jul 15 2024, 17:21:46
Using simulated 32768B flash
Using simulated 8192MB RAM
The image is /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin
Running CoreMark for 2 iterations
2K performance run parameters for coremark.
CoreMark Size    : 666
Total time (ms)  : 3161
Iterations       : 2
Compiler version : GCC10.2.0
seedcrc          : 0xe9f5
[0]crclist       : 0xe714
[0]crcmatrix     : 0x1fd7
[0]crcstate      : 0x8e3a
[0]crcfinal      : 0x72be
Finised in 3161 ms.
==================================================
CoreMark Iterations/Sec 632
Core 0: HIT GOOD TRAP at pc = 0x800026ba
Core-0 instrCnt = 626,872, cycleCnt = 367,843, IPC = 1.704184
Seed=0 Guest cycle spent: 367,847 (this will be different from cycleCnt if emu loads a snapshot)
Host time spent: 36,665ms

 Performance counter stats for 'sh -c ./build/emu --no-diff -i /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin 2>/dev/null':

    29,688,446,591      L1-dcache-load-misses                                                   (55.55%)
     2,282,973,604      L1-icache-load-misses                                                   (55.55%)
     1,386,393,206      branch-misses                    #    1.03% of all branches             (55.55%)
     1,383,956,833      branch-load-misses                                                      (55.55%)
 1,460,411,727,859      cpu-cycles                                                              (55.55%)
 1,661,233,695,046      instructions                     #    1.14  insn per cycle
                                                  #    0.13  stalled cycles per insn     (55.56%)
    12,163,534,465      stalled-cycles-frontend          #    0.83% frontend cycles idle        (55.57%)
   220,732,222,891      stalled-cycles-backend           #   15.11% backend cycles idle         (55.56%)
   134,405,866,602      branch-instructions                                                     (55.56%)

      36.696658039 seconds time elapsed

     292.938192000 seconds user
       0.031999000 seconds sys

optimized 775d1684d840ef433a17766e48ab3968a26a0607:
➜  XiangShan git:(master) ✗ ~/.homebrew/bin/numactl --physcpubind=0-7,16-23 perf stat -e L1-dcache-load-misses -e L1-icache-load-misses -e branch-misses -e branch-load-misses -e cpu-cycles -e instructions -e stalled-cycles-frontend -e stalled-cycles-backend -e branch-instructions sh -c "./build/emu --no-diff -i /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin 2>/dev/null"
emu compiled at Jul 15 2024, 16:52:39
Using simulated 32768B flash
Using simulated 8192MB RAM
The image is /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin
Running CoreMark for 2 iterations
2K performance run parameters for coremark.
CoreMark Size    : 666
Total time (ms)  : 3161
Iterations       : 2
Compiler version : GCC10.2.0
seedcrc          : 0xe9f5
[0]crclist       : 0xe714
[0]crcmatrix     : 0x1fd7
[0]crcstate      : 0x8e3a
[0]crcfinal      : 0x72be
Finised in 3161 ms.
==================================================
CoreMark Iterations/Sec 632
Core 0: HIT GOOD TRAP at pc = 0x800026ba
Core-0 instrCnt = 626,872, cycleCnt = 367,843, IPC = 1.704184
Seed=0 Guest cycle spent: 367,847 (this will be different from cycleCnt if emu loads a snapshot)
Host time spent: 36,345ms

 Performance counter stats for 'sh -c ./build/emu --no-diff -i /nfs/home/chenyangyu/xs-env/XiangShan/ready-to-run/coremark-2-iteration.bin 2>/dev/null':

    29,874,084,281      L1-dcache-load-misses                                                   (55.56%)
     2,305,157,516      L1-icache-load-misses                                                   (55.56%)
     1,406,497,447      branch-misses                    #    1.07% of all branches             (55.56%)
     1,406,122,854      branch-load-misses                                                      (55.56%)
 1,444,627,064,092      cpu-cycles                                                              (55.56%)
 1,664,024,873,662      instructions                     #    1.15  insn per cycle
                                                  #    0.13  stalled cycles per insn     (55.56%)
    11,406,108,646      stalled-cycles-frontend          #    0.79% frontend cycles idle        (55.56%)
   223,995,817,060      stalled-cycles-backend           #   15.51% backend cycles idle         (55.56%)
   131,632,170,101      branch-instructions                                                     (55.56%)

      36.443674697 seconds time elapsed

     288.636205000 seconds user
       0.089624000 seconds sys