Digital audio workstation with eight workloads, most running on about half the cores.
Topdown shows a fairly high retirement rate and a moderate backend stalls.
AMD metrics show floating point code with some L2 access and ~3% L2 miss rate.
elapsed 1726.242
on_cpu 0.382 # 6.11 / 16 cores
utime 10500.850
stime 47.074
nvcsw 3642706 # 99.52%
nivcsw 17684 # 0.48%
inblock 32 # 0.02/sec
onblock 5563264 # 3222.76/sec
cpu-clock 10537365674121 # 10537.366 seconds
task-clock 10539488539243 # 10539.489 seconds
page faults 5202419 # 493.612/sec
context switches 3668784 # 348.099/sec
cpu migrations 9860 # 0.936/sec
major page faults 2 # 0.000/sec
minor page faults 5202417 # 493.612/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 22526966187182 # 164.443 branches per 1000 inst
branch misses 69804883809 # 0.31% branch miss
conditional 17490143949675 # 127.675 conditional branches per 1000 inst
indirect 899288850816 # 6.565 indirect branches per 1000 inst
cpu-cycles 43357380985760 # 1.57 GHz
instructions 137035285194525 # 3.16 IPC
slots 86778583206174 #
retiring 48737834062562 # 56.2% (56.3%)
-- ucode 181979075018 # 0.2%
-- fastpath 48555854987544 # 56.0%
frontend 4334322106455 # 5.0% ( 5.0%)
-- latency 2225062424058 # 2.6%
-- bandwidth 2109259682397 # 2.4%
backend 29024707472740 # 33.4% (33.5%)
-- cpu 22313697880973 # 25.7%
-- memory 6711009591767 # 7.7%
speculation 4525815072268 # 5.2% ( 5.2%)
-- branch mispredict 3885614045719 # 4.5%
-- pipeline restart 640201026549 # 0.7%
smt-contention 155878677039 # 0.2% ( 0.0%)
cpu-cycles 43396568368829 # 1.57 GHz
instructions 137013352800870 # 3.16 IPC
instructions 45670507186534 # 34.828 l2 access per 1000 inst
l2 hit from l1 1213761106561 # 3.11% l2 miss
l2 miss from l1 9601821941 #
l2 hit from l2 pf 336908195519 #
l3 hit from l2 pf 25188072888 #
l3 miss from l2 pf 14736784937 #
instructions 45650874552746 # 300.547 float per 1000 inst
float 512 60 # 0.000 AVX-512 per 1000 inst
float 256 724 # 0.000 AVX-256 per 1000 inst
float 128 13720228389310 # 300.547 AVX-128 per 1000 inst
float MMX 0 # 0.000 MMX per 1000 inst
float scalar 0 # 0.000 scalar per 1000 inst
Intel metrics
elapsed 2218.388
on_cpu 0.509 # 8.14 / 16 cores
utime 17904.234
stime 153.060
nvcsw 6312153 # 99.11%
nivcsw 56716 # 0.89%
inblock 13696 # 6.17/sec
onblock 5981656 # 2696.40/sec
cpu-clock 17923867991160 # 17923.868 seconds
task-clock 17934828268326 # 17934.828 seconds
page faults 5635139 # 314.201/sec
context switches 6379725 # 355.717/sec
cpu migrations 58350 # 3.253/sec
major page faults 32 # 0.002/sec
minor page faults 5635107 # 314.199/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 25692757041603 # 169.359 branches per 1000 inst
branch misses 111662245731 # 0.43% branch miss
conditional 25692757066435 # 169.359 conditional branches per 1000 inst
indirect 6963633990831 # 45.902 indirect branches per 1000 inst
slots 111051632095220 #
retiring 66782619366711 # 60.1% (60.1%)
-- ucode 6090089635057 # 5.5%
-- fastpath 60692529731654 # 54.7%
frontend 7417885388931 # 6.7% ( 6.7%)
-- latency 4029049572418 # 3.6%
-- bandwidth 3388835816513 # 3.1%
backend 27455858955895 # 24.7% (24.7%)
-- cpu 19222508412549 # 17.3%
-- memory 8233350543346 # 7.4%
speculation 8540816498829 # 7.7% ( 7.7%)
-- branch mispredict 8074182331949 # 7.3%
-- pipeline restart 466634166880 # 0.4%
smt-contention 0 # 0.0% ( 0.0%)
cpu-cycles 48755331505674 # 1.54 GHz
instructions 170816333856671 # 3.50 IPC
l2 access 520881946161 # 7.769 l2 access per 1000 inst
l2 miss 139366208502 # 26.76% l2 miss
Process overview shows stargate-engine is primary computation process
600 processes
216 stargate-engine 94533.21 319.23
68 clinfo 17.67 5.24
38 vulkaninfo 1.14 1.14
4 vulkani:disk$0 0.12 0.12
6 glxinfo:gdrv0 0.12 0.09
6 php 0.11 0.31
6 clang 0.06 0.06
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
2 glxinfo 0.06 0.03
2 glxinfo:cs0 0.06 0.03
2 glxinfo:disk$0 0.06 0.03
2 glxinfo:sh0 0.06 0.03
2 glxinfo:shlo0 0.06 0.03
3 rocminfo 0.03 0.00
1 lspci 0.01 0.02
1 ps 0.00 0.01
98 sh 0.00 0.00
24 stargate 0.00 0.00
13 gcc 0.00 0.00
10 gsettings 0.00 0.00
8 stat 0.00 0.00
8 systemd-detect- 0.00 0.00
6 llvm-link 0.00 0.00
5 phoronix-test-s 0.00 0.00
4 gmain 0.00 0.00
2 cc 0.00 0.00
2 dconf worker 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 date 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 python 0.00 0.00
1 python3 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 stty 0.00 0.00
1 systemctl 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
Process structure shows a regular pattern.
276263) stargate cpu=14 start=5.81 finish=54.84
276264) stargate-engine cpu=7 start=5.82 finish=54.80
276265) stargate-engine cpu=9 start=7.21 finish=54.80
276266) stargate-engine cpu=13 start=7.21 finish=54.50
276267) stargate-engine cpu=12 start=7.21 finish=54.50
276268) stargate-engine cpu=2 start=7.21 finish=54.50
276269) stargate-engine cpu=11 start=7.21 finish=54.50
276270) stargate-engine cpu=14 start=7.21 finish=54.50
276271) stargate-engine cpu=0 start=7.21 finish=54.50
276272) stargate-engine cpu=1 start=7.21 finish=54.50