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results.txt
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=================================
# Rocket Chisel RTL Performance
# uarch0 counts mispredicts (take_pc_mem)
# uarch1 counts total br/jal/jalr
median [82.5%]
cycle = 6929
instret = 4995
uarch0 = 330
uarch1 = 1888
multiply [88.1%]
cycle = 24819
instret = 21172
uarch0 = 880
uarch1 = 7423
qsort [74.6%]
cycle = 169682
instret = 123189
uarch0 = 12950
uarch1 = 50908
towers [96.3%]
cycle = 7855
instret = 6724
uarch0 = 21
uarch1 = 574
vvadd [97.3%]
cycle = 3654
instret = 2586
uarch0 = 8
uarch1 = 302
dhrystone [99.8%]
cycle = 129052
instret = 123686
uarch0 = 39
uarch1 = 22518
spmv [74%]
cycle = 214891
instret = 110488
uarch0 = 2143
uarch1 = 8251
==============================
Stats (/scratch/celio/install/riscv-elf/bin/pk /scratch/celio/spec/build.riscv/401.bzip2 /scratch/celio/spec/401.bzip2/src/../data/test/input/dryer.jpg):
Total : 77079929
- br : 71528813 [ 92.798 %]
- jal : 4902017 [ 6.360 %]
- jalr : 649099 [ 0.842 %]
rets : 648037 [ 0.841 %]
calls : 648878 [ 0.842 %]
taken : 64282464 [ 83.397 %]
mispredicted : 3598771 [ 4.669 %]
- br : 3395903 [ 4.406 %]
- br : 198175 [ 0.257 %]
- jalr : 4693 [ 0.006 %]
-missed rets: 8200 [ 0.011 %]
Accurancy : [ 95.331 %]
==============================
real 118m17.231s
user 56m44.868s
sys 61m23.868s
=================================
=================================
Pythia Rocket Predictor (w1)
BTB: 64 entries
RAS: 2 entries
BHT: 128 entries, 7 history bits
opening trace file (traces/dhrystone.trace)
mispredicted : 2049 [ 9.310 %]
- br : 1015 [ 4.612 %]
- br : 525 [ 2.385 %]
- jalr : 509 [ 2.313 %]
-missed rets: 509 [ 2.313 %]
Accurancy : [ 90.690 %]
opening trace file (traces/median.trace)
mispredicted : 846 [ 22.054 %]
- br : 750 [ 19.552 %]
- br : 93 [ 2.424 %]
- jalr : 3 [ 0.078 %]
-missed rets: 3 [ 0.078 %]
Accurancy : [ 77.946 %]
opening trace file (traces/multiply.trace)
mispredicted : 1488 [ 10.790 %]
- br : 1436 [ 10.413 %]
- br : 24 [ 0.174 %]
- jalr : 28 [ 0.203 %]
-missed rets: 10 [ 0.073 %]
Accurancy : [ 89.210 %]
opening trace file (traces/qsort.trace)
mispredicted : 15979 [ 24.457 %]
- br : 15553 [ 23.805 %]
- br : 405 [ 0.620 %]
- jalr : 21 [ 0.032 %]
-missed rets: 10 [ 0.015 %]
Accurancy : [ 75.543 %]
opening trace file (traces/towers.trace)
mispredicted : 285 [ 20.803 %]
- br : 150 [ 10.949 %]
- br : 41 [ 2.993 %]
- jalr : 94 [ 6.861 %]
-missed rets: 77 [ 5.620 %]
Accurancy : [ 79.197 %]
opening trace file (traces/vvadd.trace)
mispredicted : 25 [ 2.363 %]
- br : 19 [ 1.796 %]
- br : 4 [ 0.378 %]
- jalr : 2 [ 0.189 %]
-missed rets: 2 [ 0.189 %]
Accurancy : [ 97.637 %]
==============================
==============================
time ./pythia.py -p v1 -w 2 -s "/scratch/celio/install/riscv-elf/bin/pk /scratch/celio/spec/build.riscv/401.bzip2 /scratch/celio/spec/401.bzip2/data/test/input/dryer.jpg "
Simulating Predictor (v1) at fetch width (2)
lspike /scratch/celio/install/riscv-elf/bin/pk /scratch/celio/spec/build.riscv/401.bzip2 /scratch/celio/spec/401.bzip2/data/test/input/dryer.jpg
BTB : 64 entries
RAS : 2 entries
BHT : 256 entries, 8 history bits, 512 counter bits
Total insts : 576227272 [ 13.377 % are br/jal/jalr]
Total : 77079906
- br : 71528792 [ 92.798 %]
- jal : 4902016 [ 6.360 %]
- jalr : 649098 [ 0.842 %]
rets : 648036 [ 0.841 %]
calls : 648878 [ 0.842 %]
taken : 64282446 [ 83.397 %]
mispredicted : 3541011 [ 4.594 %]
- br : 3263708 [ 4.234 %]
- jal : 259200 [ 0.336 %]
- jalr : 4269 [ 0.006 %]
-missed rets: 4120 [ 0.005 %]
Accurancy : [ 95.406 %]
Miss/1k : 6.15
==============================
real 37m55.388s
user 37m40.232s
sys 0m12.416s
==============================
==============================
Pythia Prototype V1 (w2), aligned instruction fetch
bht is aligned, btb aligned
BTB: 64 entries
RAS: 2 entries
BHT: 128 entries, 7 history bits
opening trace file (traces/dhrystone.trace)
mispredicted : 1057 [ 4.803 %]
- br : 519 [ 2.358 %]
- jal : 29 [ 0.132 %]
- jalr : 509 [ 2.313 %]
-missed rets: 509 [ 2.313 %]
Accurancy : [ 95.197 %]
Miss/1k : 8.55
opening trace file (traces/median.trace)
taken : 1645 [ 42.883 %]
mispredicted : 746 [ 19.447 %]
- br : 652 [ 16.997 %]
- jal : 67 [ 1.747 %]
- jalr : 4 [ 0.104 %]
-missed rets: 4 [ 0.104 %]
Accurancy : [ 80.553 %]
opening trace file (traces/multiply.trace)
mispredicted : 1706 [ 12.371 %]
- br : 725 [ 5.257 %]
- jal : 22 [ 0.160 %]
- jalr : 226 [ 1.639 %]
-missed rets: 208 [ 1.508 %]
Accurancy : [ 87.629 %]
opening trace file (traces/qsort.trace)
mispredicted : 13914 [ 21.296 %]
- br : 13065 [ 19.997 %]
- jal : 527 [ 0.807 %]
- jalr : 24 [ 0.037 %]
-missed rets: 10 [ 0.015 %]
Accurancy : [ 78.704 %]
Miss/1k : 61.57
opening trace file (traces/towers.trace)
mispredicted : 315 [ 22.993 %]
- br : 146 [ 10.657 %]
- jal : 44 [ 3.212 %]
- jalr : 93 [ 6.788 %]
-missed rets: 77 [ 5.620 %]
Accurancy : [ 77.007 %]
opening trace file (traces/vvadd.trace)
mispredicted : 25 [ 2.363 %]
- br : 19 [ 1.796 %]
- jal : 4 [ 0.378 %]
- jalr : 2 [ 0.189 %]
-missed rets: 2 [ 0.189 %]
Accurancy : [ 97.637 %]
=================================
==============================
==============================
Pythia Prototype V2 (w2), aligned instruction fetch
bht is aligned, btb aligned