An integer benchmark that plays connect four. This is a single-threaded benchmark
Topdown profile has backend stalls highest and also some branch mis-prediction.
AMD metrics confirm low floating point and low l2 access.
elapsed 312.054
on_cpu 0.060 # 0.95 / 16 cores
utime 296.897
stime 0.881
nvcsw 2042 # 63.73%
nivcsw 1162 # 36.27%
inblock 0 # 0.00/sec
onblock 12592 # 40.35/sec
cpu-clock 297841146459 # 297.841 seconds
task-clock 297846570054 # 297.847 seconds
page faults 196082 # 658.332/sec
context switches 4593 # 15.421/sec
cpu migrations 284 # 0.954/sec
major page faults 2 # 0.007/sec
minor page faults 196080 # 658.326/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 233327883545 # 104.871 branches per 1000 inst
branch misses 12686837013 # 5.44% branch miss
conditional 200759406002 # 90.232 conditional branches per 1000 inst
indirect 1917676634 # 0.862 indirect branches per 1000 inst
cpu-cycles 1384938128023 # 0.28 GHz
instructions 2224474557838 # 1.61 IPC
slots 2771980632678 #
retiring 725097197766 # 26.2% (26.2%)
-- ucode 11796409 # 0.0%
-- fastpath 725085401357 # 26.2%
frontend 361716878175 # 13.0% (13.0%)
-- latency 260290765254 # 9.4%
-- bandwidth 101426112921 # 3.7%
backend 1374264682599 # 49.6% (49.6%)
-- cpu 80682799574 # 2.9%
-- memory 1293581883025 # 46.7%
speculation 310843813950 # 11.2% (11.2%) high
-- branch mispredict 309522763990 # 11.2%
-- pipeline restart 1321049960 # 0.0%
smt-contention 57799883 # 0.0% ( 0.0%)
cpu-cycles 1392819774354 # 0.28 GHz
instructions 2223360442867 # 1.60 IPC
instructions 741458455985 # 2.865 l2 access per 1000 inst
l2 hit from l1 1423555319 # 67.07% l2 miss
l2 miss from l1 794340374 #
l2 hit from l2 pf 70235277 #
l3 hit from l2 pf 167165521 #
l3 miss from l2 pf 463258156 #
instructions 741628324732 # 0.221 float per 1000 inst
float 512 50 # 0.000 AVX-512 per 1000 inst
float 256 620 # 0.000 AVX-256 per 1000 inst
float 128 164066040 # 0.221 AVX-128 per 1000 inst
float MMX 0 # 0.000 MMX per 1000 inst
float scalar 0 # 0.000 scalar per 1000 inst
instructions 2224801463854 #
opcache 438936130733 # 197.292 opcache per 1000 inst
opcache miss 1048308708 # 0.2% opcache miss rate
l1 dTLB miss 2238351667 # 1.006 L1 dTLB per 1000 inst
l2 dTLB miss 1359849519 # 0.611 L2 dTLB per 1000 inst
instructions 2224803513056 #
icache 2054994127 # 0.924 icache per 1000 inst
icache miss 327607358 # 15.9% icache miss rate
l1 iTLB miss 9166304 # 0.004 L1 iTLB per 1000 inst
l2 iTLB miss 0 # 0.000 L2 iTLB per 1000 inst
tlb flush 16665 # 0.000 TLB flush per 1000 inst
Intel metrics
elapsed 343.927
on_cpu 0.060 # 0.96 / 16 cores
utime 329.738
stime 0.439
nvcsw 1846 # 53.48%
nivcsw 1606 # 46.52%
inblock 8 # 0.02/sec
onblock 1352 # 3.93/sec
cpu-clock 330219473625 # 330.219 seconds
task-clock 330223833301 # 330.224 seconds
page faults 186470 # 564.678/sec
context switches 4997 # 15.132/sec
cpu migrations 278 # 0.842/sec
major page faults 0 # 0.000/sec
minor page faults 186470 # 564.678/sec
alignment faults 0 # 0.000/sec
emulation faults 0 # 0.000/sec
branches 231157288340 # 104.123 branches per 1000 inst
branch misses 16171366041 # 7.00% branch miss
conditional 231157300180 # 104.123 conditional branches per 1000 inst
indirect 1923748155 # 0.867 indirect branches per 1000 inst
slots 7301781267950 #
retiring 1996958686283 # 27.3% (27.3%)
-- ucode 114931974763 # 1.6%
-- fastpath 1882026711520 # 25.8%
frontend 682187026144 # 9.3% ( 9.3%)
-- latency 364906500413 # 5.0%
-- bandwidth 317280525731 # 4.3%
backend 2383766707457 # 32.6% (32.6%)
-- cpu 620738229105 # 8.5%
-- memory 1763028478352 # 24.1%
speculation 2248370550539 # 30.8% (30.8%) high
-- branch mispredict 2248233525684 # 30.8%
-- pipeline restart 137024855 # 0.0%
smt-contention 0 # 0.0% ( 0.0%)
cpu-cycles 1216671318936 # 0.22 GHz
instructions 2220072072083 # 1.82 IPC
l2 access 13054101521 # 5.881 l2 access per 1000 inst
l2 miss 9005012687 # 68.98% l2 miss
cpu-cycles 1216942699639 # 31.7% memory latency
load stalls 385134577681 # 0.0% l1 bound
l1 miss 459783709265 # 11.6% l2 bound
l2 miss 318108276546 # 1.9% l3 bound
l3 miss 294978425345 # 24.2% dram bound
store_stalls 246520143 # 0.0% store bound
Process overview
354 processes
3 SearchGame 296.62 0.06
68 clinfo 20.17 6.91
38 vulkaninfo 1.33 1.33
6 glxinfo:gdrv0 0.18 0.04
6 glxinfo:gl0 0.18 0.04
4 vulkani:disk$0 0.14 0.14
2 glxinfo 0.08 0.02
2 glxinfo:cs0 0.08 0.02
2 glxinfo:disk$0 0.08 0.02
2 glxinfo:sh0 0.08 0.02
2 glxinfo:shlo0 0.08 0.02
6 php 0.07 0.07
2 llvmpipe-0 0.07 0.07
2 llvmpipe-1 0.07 0.07
2 llvmpipe-10 0.07 0.07
2 llvmpipe-11 0.07 0.07
2 llvmpipe-12 0.07 0.07
2 llvmpipe-13 0.07 0.07
2 llvmpipe-14 0.07 0.07
2 llvmpipe-15 0.07 0.07
2 llvmpipe-2 0.07 0.07
2 llvmpipe-3 0.07 0.07
2 llvmpipe-4 0.07 0.07
2 llvmpipe-5 0.07 0.07
2 llvmpipe-6 0.07 0.07
2 llvmpipe-7 0.07 0.07
2 llvmpipe-8 0.07 0.07
2 llvmpipe-9 0.07 0.07
6 clang 0.05 0.07
1 lspci 0.00 0.03
3 rocminfo 0.00 0.02
1 ps 0.00 0.01
82 sh 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
3 fhourstones-ben 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 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
Computation block
1039809) fhourstones-ben cpu=8 start=5.77 finish=103.54
1039810) SearchGame cpu=9 start=5.77 finish=103.54
1039812) fhourstones-ben cpu=4 start=107.54 finish=206.39
1039813) SearchGame cpu=13 start=107.55 finish=206.38
1039815) fhourstones-ben cpu=13 start=210.39 finish=310.51
1039816) SearchGame cpu=14 start=210.40 finish=310.51