Bullet is a physics engine. There are 7 quick running tests and all iterations are done within a minute.
Topdown profile is similarly sparse
AMD metrics show a moderate retirement rate with a mix of cpu and memory backend stalls.
elapsed 38.253
on_cpu 0.019 # 0.31 / 16 cores
utime 11.022
stime 0.892
nvcsw 2056 # 88.05%
nivcsw 279 # 11.95%
inblock 0 # 0.00/sec
onblock 18296 # 478.29/sec
cpu-clock 11932280613 # 11.932 seconds
task-clock 11934907928 # 11.935 seconds
page faults 196140 # 16434.144/sec
context switches 2356 # 197.404/sec
cpu migrations 257 # 21.533/sec
major page faults 4 # 0.335/sec
minor page faults 196136 # 16433.809/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 12216335844 # 101.404 branches per 1000 inst
branch misses 245967672 # 2.01% branch miss
conditional 9473338786 # 78.635 conditional branches per 1000 inst
indirect 261183127 # 2.168 indirect branches per 1000 inst
cpu-cycles 47224082943 # 0.08 GHz
instructions 118935289431 # 2.52 IPC
slots 96619580664 #
retiring 40988917158 # 42.4% (42.4%)
-- ucode 43012882 # 0.0%
-- fastpath 40945904276 # 42.4%
frontend 11607690657 # 12.0% (12.0%)
-- latency 8104026678 # 8.4%
-- bandwidth 3503663979 # 3.6%
backend 35333296489 # 36.6% (36.6%)
-- cpu 19455206170 # 20.1%
-- memory 15878090319 # 16.4%
speculation 8652869371 # 9.0% ( 9.0%)
-- branch mispredict 8254776210 # 8.5%
-- pipeline restart 398093161 # 0.4%
smt-contention 36537351 # 0.0% ( 0.0%)
cpu-cycles 4256144502 # 0.08 GHz
instructions 7760686750 # 1.82 IPC
instructions 3022290915 # 32.048 l2 access per 1000 inst
l2 hit from l1 81461827 # 18.72% l2 miss
l2 miss from l1 9759834 #
l2 hit from l2 pf 7023058 #
l3 hit from l2 pf 3534820 #
l3 miss from l2 pf 4838165 #
instructions 2885024594 # 11.427 float per 1000 inst
float 512 28 # 0.000 AVX-512 per 1000 inst
float 256 0 # 0.000 AVX-256 per 1000 inst
float 128 32966086 # 11.427 AVX-128 per 1000 inst
float MMX 0 # 0.000 MMX per 1000 inst
float scalar 0 # 0.000 scalar per 1000 inst
instructions 2677081 #
opcache 990295 # 369.916 opcache per 1000 inst
opcache miss 531498 # 53.7% opcache miss rate
l1 dTLB miss 6356 # 2.374 L1 dTLB per 1000 inst
l2 dTLB miss 1184 # 0.442 L2 dTLB per 1000 inst
instructions 2704559 #
icache 1317544 # 487.157 icache per 1000 inst
icache miss 110111 # 8.4% icache miss rate
l1 iTLB miss 13 # 0.005 L1 iTLB per 1000 inst
l2 iTLB miss 0 # 0.000 L2 iTLB per 1000 inst
tlb flush 19 # 0.007 TLB flush per 1000 inst
Intel metrics
elapsed 38.068
on_cpu 0.020 # 0.32 / 16 cores
utime 11.744
stime 0.551
nvcsw 1917 # 92.21%
nivcsw 162 # 7.79%
inblock 5200 # 136.60/sec
onblock 7040 # 184.93/sec
cpu-clock 12304472437 # 12.304 seconds
task-clock 12307116018 # 12.307 seconds
page faults 185388 # 15063.480/sec
context switches 2096 # 170.308/sec
cpu migrations 263 # 21.370/sec
major page faults 25 # 2.031/sec
minor page faults 185363 # 15061.449/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 11900554365 # 99.862 branches per 1000 inst
branch misses 205043401 # 1.72% branch miss
conditional 11900566301 # 99.862 conditional branches per 1000 inst
indirect 262367471 # 2.202 indirect branches per 1000 inst
slots 20090830988 #
retiring 7357919108 # 36.6% (36.6%)
-- ucode 641108235 # 3.2%
-- fastpath 6716810873 # 33.4%
frontend 5689322420 # 28.3% (28.3%)
-- latency 2717104724 # 13.5%
-- bandwidth 2972217696 # 14.8%
backend 4791155373 # 23.8% (23.8%)
-- cpu 1940270154 # 9.7%
-- memory 2850885219 # 14.2%
speculation 2296151869 # 11.4% (11.4%) high
-- branch mispredict 2113612426 # 10.5%
-- pipeline restart 182539443 # 0.9%
smt-contention 0 # 0.0% ( 0.0%)
cpu-cycles 45669561675 # 0.08 GHz
instructions 119196912953 # 2.61 IPC
l2 access 3608690017 # 30.316 l2 access per 1000 inst
l2 miss 1216320423 # 33.71% l2 miss
cpu-cycles 3363730928 # 21.5% memory latency
load stalls 652478258 # 0.9% l1 bound
l1 miss 621093255 # 9.0% l2 bound
l2 miss 317046637 # 2.4% l3 bound
l3 miss 237542561 # 7.1% dram bound
store_stalls 70449159 # 2.1% store bound
Process overview shows mostly the test harness
299 processes
68 clinfo 20.50 5.66
38 vulkaninfo 1.13 1.14
6 glxinfo:gdrv0 0.18 0.03
6 glxinfo:gl0 0.18 0.03
4 vulkani:disk$0 0.12 0.12
2 glxinfo 0.08 0.01
2 glxinfo:cs0 0.08 0.01
2 glxinfo:disk$0 0.08 0.01
2 glxinfo:sh0 0.08 0.01
2 glxinfo:shlo0 0.08 0.01
2 llvmpipe-0 0.06 0.06
2 llvmpipe-1 0.06 0.06
2 llvmpipe-10 0.06 0.06
2 llvmpipe-11 0.06 0.06
2 llvmpipe-12 0.06 0.06
2 llvmpipe-13 0.06 0.06
2 llvmpipe-14 0.06 0.06
2 llvmpipe-15 0.06 0.06
2 llvmpipe-2 0.06 0.06
2 llvmpipe-3 0.06 0.06
2 llvmpipe-4 0.06 0.06
2 llvmpipe-5 0.06 0.06
2 llvmpipe-6 0.06 0.06
2 llvmpipe-7 0.06 0.06
2 llvmpipe-8 0.06 0.06
2 llvmpipe-9 0.06 0.06
6 php 0.05 0.05
3 rocminfo 0.03 0.00
3 clang 0.02 0.04
1 lspci 0.01 0.01
57 sh 0.00 0.00
11 gsettings 0.00 0.00
6 gcc 0.00 0.00
5 phoronix-test-s 0.00 0.00
5 stat 0.00 0.00
4 gmain 0.00 0.00
4 systemd-detect- 0.00 0.00
3 llvm-link 0.00 0.00
2 lscpu 0.00 0.00
2 uname 0.00 0.00
2 which 0.00 0.00
2 xset 0.00 0.00
1 cc 0.00 0.00
1 date 0.00 0.00
1 dconf worker 0.00 0.00
1 dirname 0.00 0.00
1 dmesg 0.00 0.00
1 dmidecode 0.00 0.00
1 grep 0.00 0.00
1 ifconfig 0.00 0.00
1 ip 0.00 0.00
1 lsmod 0.00 0.00
1 mktemp 0.00 0.00
1 qdbus 0.00 0.00
1 readlink 0.00 0.00
1 realpath 0.00 0.00
1 sed 0.00 0.00
1 sort 0.00 0.00
1 template.sh 0.00 0.00
1 wc 0.00 0.00
1 xrandr 0.00 0.00
0 processes running
47 maximum processes