v-ray is the Chaos group rendering engine with public benchmark. To install one needs to download from Chaos Group web page. Unfortunately the version used by Phoronix 5.02.00 had a minor bugfix 5.02.01 which changed the checksums. I hacked the checksum values in my .phoronix-test-suite/test-profiles directory and this let me install and run the test.

Profile shows steady running on all cores.

Topdown profile shows backend stalls (mostly memory) and then frontend stalls (mostly latency) limiting the retirement.

AMD metrics shows a lot of floating point code and some branches resulting in branch missprediction.

elapsed              240.446
on_cpu               0.775          # 12.40 / 16 cores
utime                2958.124
stime                23.523
nvcsw                73893          # 29.17%
nivcsw               179414         # 70.83%
inblock              0              # 0.00/sec
onblock              12204360       # 50757.08/sec
cpu-clock            2981797004835  # 2981.797 seconds
task-clock           2981855929298  # 2981.856 seconds
page faults          8018975        # 2689.256/sec
context switches     254295         # 85.281/sec
cpu migrations       3230           # 1.083/sec
major page faults    3              # 0.001/sec
minor page faults    8018969        # 2689.254/sec
alignment faults     0              # 0.000/sec
emulation faults     0              # 0.000/sec
branches             1240663196013  # 102.473 branches per 1000 inst
branch misses        46858371435    # 3.78% branch miss
conditional          866012315229   # 71.528 conditional branches per 1000 inst
indirect             98302270788    # 8.119 indirect branches per 1000 inst
cpu-cycles           11741461358098 # 3.06 GHz
instructions         12002204819500 # 1.02 IPC
slots                23489891948940 #
retiring             4224994794695  # 18.0% (23.5%)
-- ucode             39023790520    #     0.2%
-- fastpath          4185971004175  #    17.8%
frontend             5001302023749  # 21.3% (27.9%)
-- latency           3522680512920  #    15.0%
-- bandwidth         1478621510829  #     6.3%
backend              7731954855484  # 32.9% (43.1%)
-- cpu               2300272202419  #     9.8%
-- memory            5431682653065  #    23.1%
speculation          995400357444   #  4.2% ( 5.5%)
-- branch mispredict 986066899756   #     4.2%
-- pipeline restart  9333457688     #     0.0%
smt-contention       5536218071437  # 23.6% ( 0.0%)
cpu-cycles           11736222564221 # 3.05 GHz
instructions         12021527824520 # 1.02 IPC
instructions         4006462311125  # 81.869 l2 access per 1000 inst
l2 hit from l1       306136753048   # 8.88% l2 miss
l2 miss from l1      18065357561    #
l2 hit from l2 pf    10802329170    #
l3 hit from l2 pf    7784023213     #
l3 miss from l2 pf   3283427689     #
instructions         4007806722700  # 481.211 float per 1000 inst
float 512            62             # 0.000 AVX-512 per 1000 inst
float 256            4700           # 0.000 AVX-256 per 1000 inst
float 128            1928599665618  # 481.211 AVX-128 per 1000 inst
float MMX            0              # 0.000 MMX per 1000 inst
float scalar         202            # 0.000 scalar per 1000 inst

Intel metrics

elapsed              321.096
on_cpu               0.768          # 12.29 / 16 cores
utime                3926.214
stime                20.940
nvcsw                99040          # 37.54%
nivcsw               164793         # 62.46%
inblock              5344           # 16.64/sec
onblock              16257272       # 50630.53/sec
cpu-clock            3946955640486  # 3946.956 seconds
task-clock           3947017363922  # 3947.017 seconds
page faults          10268290       # 2601.531/sec
context switches     265213         # 67.193/sec
cpu migrations       6421           # 1.627/sec
major page faults    58             # 0.015/sec
minor page faults    10268228       # 2601.516/sec
alignment faults     0              # 0.000/sec
emulation faults     0              # 0.000/sec
branches             1281877578592  # 102.237 branches per 1000 inst
branch misses        52044004696    # 4.06% branch miss
conditional          1281877606112  # 102.237 conditional branches per 1000 inst
indirect             393608537417   # 31.392 indirect branches per 1000 inst
slots                15026480850560 #
retiring             5516544589005  # 36.7% (36.7%)
-- ucode             384143403111   #     2.6%
-- fastpath          5132401185894  #    34.2%
frontend             4235587099594  # 28.2% (28.2%)
-- latency           2363190423288  #    15.7%
-- bandwidth         1872396676306  #    12.5%
backend              2677291439162  # 17.8% (17.8%)
-- cpu               1179389378267  #     7.8%
-- memory            1497902060895  #    10.0%
speculation          2523117585235  # 16.8% (16.8%)
-- branch mispredict 2481027503040  #    16.5%
-- pipeline restart  42090082195    #     0.3%
smt-contention       0              #  0.0% ( 0.0%)
cpu-cycles           8758348321447  # 2.27 GHz
instructions         10088899974653 # 1.15 IPC
l2 access            367718405402   # 67.355 l2 access per 1000 inst
l2 miss              49343578092    # 13.42% l2 miss

Process overview shows an interesting blend of processes.

708 processes
	  3 ImageAnalysisTh       2942.77     8.71
	  3 VFBC_ImageUpdat       2942.77     8.71
	  3 VFBC_PostEffect       2942.77     8.71
	  3 ghc_ticker            2942.76     8.70
	 68 clinfo                  16.52     6.27
	  6 installer.bin            8.64     7.13
	  3 vray-benchmark-          5.84     5.66
	 38 vulkaninfo               0.77     1.22
	  6 glxinfo:gdrv0            0.12     0.11
	  4 vulkani:disk$0           0.09     0.14
	  6 php                      0.07     0.07
	  2 glxinfo                  0.06     0.04
	  2 glxinfo:cs0              0.06     0.04
	  2 glxinfo:disk$0           0.06     0.04
	  2 glxinfo:sh0              0.06     0.04
	  2 glxinfo:shlo0            0.06     0.04
	  2 llvmpipe-0               0.05     0.08
	  2 llvmpipe-1               0.05     0.08
	  2 llvmpipe-10              0.05     0.08
	  2 llvmpipe-11              0.05     0.08
	  2 llvmpipe-12              0.05     0.08
	  2 llvmpipe-13              0.05     0.08
	  2 llvmpipe-14              0.05     0.08
	  2 llvmpipe-15              0.05     0.08
	  2 llvmpipe-2               0.05     0.08
	  2 llvmpipe-3               0.05     0.08
	  2 llvmpipe-4               0.05     0.08
	  2 llvmpipe-5               0.05     0.08
	  2 llvmpipe-6               0.05     0.08
	  2 llvmpipe-7               0.05     0.08
	  2 llvmpipe-8               0.05     0.08
	  2 llvmpipe-9               0.05     0.08
	  6 clang                    0.05     0.07
	  3 rocminfo                 0.03     0.00
	  3 VFB History Dat          0.01     0.00
	  3 VFB Image Loadi          0.01     0.00
	105 V-Ray Benchma:w          0.00 102996.54
	 63 V-Ray Benchmark          0.00 61798.06
	 45 CommitEmbreeT 0          0.00 44141.55
	  6 VRay 0                   0.00  5885.54
	  6 VRay 1                   0.00  5885.54
	  6 VRay 10                  0.00  5885.54
	  6 VRay 11                  0.00  5885.54
	  6 VRay 12                  0.00  5885.54
	  6 VRay 13                  0.00  5885.54
	  6 VRay 14                  0.00  5885.54
	  6 VRay 2                   0.00  5885.54
	  6 VRay 3                   0.00  5885.54
	  6 VRay 4                   0.00  5885.54
	  6 VRay 5                   0.00  5885.54
	  6 VRay 6                   0.00  5885.54
	  6 VRay 7                   0.00  5885.54
	  6 VRay 8                   0.00  5885.54
	  6 VRay 9                   0.00  5885.54
	  3 RenderProgre 15          0.00  2942.77
	  3 VRay 15                  0.00  2942.77
	  1 CNcworker 2a96f          0.00   981.02
	  1 CNcworker 3e6ff          0.00   981.01
	  1 CNcworker 492bf          0.00   980.74
	 10 ps                       0.00     0.04
	  1 lspci                    0.00     0.02
	 93 sh                       0.00     0.00
	 12 gcc                      0.00     0.00
	  9 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
	  6 v-ray                    0.00     0.00
	  5 phoronix-test-s          0.00     0.00
	  4 gmain                    0.00     0.00
	  3 dconf worker             0.00     0.00
	  3 getconf                  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 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
122 maximum processes

Computation blocks

      2901901) v-ray            cpu=6 start=5.84  finish=80.47
        2901902) v-ray            cpu=13 start=5.84  finish=5.84 
        2901903) vray-benchmark-  cpu=0 start=5.84  finish=80.47
          2901904) installer.bin    cpu=2 start=9.51  finish=9.53 
          2901905) installer.bin    cpu=2 start=9.54  finish=80.31
            2901906) sh               cpu=11 start=13.24 finish=13.24
              2901907) getconf          cpu=12 start=13.24 finish=13.24
            2901908) sh               cpu=13 start=13.24 finish=13.25
              2901909) ps               cpu=14 start=13.24 finish=13.25
            2901910) sh               cpu=4 start=13.26 finish=13.27
              2901911) ps               cpu=7 start=13.26 finish=13.27
            2901912) sh               cpu=6 start=13.27 finish=13.28
              2901913) ps               cpu=7 start=13.27 finish=13.28
            2901915) V-Ray Benchmark  cpu=17 start=14.66 finish=80.08
              2901916) ghc_ticker       cpu=3 start=14.67 finish=80.02
              2901917) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901934) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                  2901947) V-Ray Benchma:w  cpu=-1 start=14.72 finish=80.01
                    2901970) V-Ray Benchma:w  cpu=-1 start=14.97 finish=80.01
              2901918) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901936) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                  2902025) V-Ray Benchma:w  cpu=-1 start=26.98 finish=80.01
              2901919) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901935) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901920) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901937) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901921) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901938) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901922) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.02
                2901943) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901923) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901942) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901924) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901945) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901925) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901944) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901926) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901939) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901927) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901940) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901928) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901941) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901929) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901946) V-Ray Benchma:w  cpu=-1 start=14.72 finish=80.01
              2901930) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901948) V-Ray Benchma:w  cpu=-1 start=14.72 finish=80.01
              2901931) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901949) V-Ray Benchma:w  cpu=-1 start=14.72 finish=80.01
              2901932) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
                2901933) V-Ray Benchma:w  cpu=-1 start=14.67 finish=80.01
              2901950) CNcworker 3e6ff  cpu=-1 start=14.72 finish=80.08
              2901951) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901952) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901953) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901954) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901955) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901956) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901957) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901958) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901959) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901960) V-Ray Benchmark  cpu=-1 start=14.94 finish=80.02
              2901961) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901962) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901963) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901964) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901965) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901966) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.02
              2901967) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.08
              2901968) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.08
              2901969) V-Ray Benchmark  cpu=-1 start=14.95 finish=80.08
              2901971) V-Ray Benchmark  cpu=-1 start=16.41 finish=79.98
                2901972) VFB Image Loadi  cpu=0 start=16.41 finish=80.08
                2901973) VFB History Dat  cpu=0 start=16.41 finish=80.08
                2901974) VFBC_ImageUpdat  cpu=4 start=16.41 finish=80.08
                2901975) VFBC_PostEffect  cpu=6 start=16.41 finish=80.08
                2901976) ImageAnalysisTh  cpu=7 start=16.41 finish=80.08
                2901977) VRay 0           cpu=-1 start=16.44 finish=80.08
                  2901993) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.08
                    2901994) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.08
                      2901997) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                        2902000) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                        2902003) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                      2902001) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                    2901996) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                      2901999) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                        2902005) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                        2902006) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                      2902002) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                  2901995) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.08
                    2901998) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                      2902007) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                    2902004) CommitEmbreeT 0  cpu=-1 start=18.13 finish=80.07
                2901978) VRay 1           cpu=-1 start=16.44 finish=80.08
                2901979) VRay 2           cpu=-1 start=16.44 finish=80.08
                2901980) VRay 3           cpu=-1 start=16.44 finish=80.08
                  2902008) VRay 0           cpu=-1 start=18.75 finish=80.07
                  2902009) VRay 1           cpu=-1 start=18.75 finish=80.07
                  2902010) VRay 2           cpu=-1 start=18.75 finish=80.07
                  2902011) VRay 3           cpu=-1 start=18.75 finish=80.07
                  2902012) VRay 4           cpu=-1 start=18.75 finish=80.07
                  2902013) VRay 5           cpu=-1 start=18.75 finish=80.07
                  2902014) VRay 6           cpu=-1 start=18.75 finish=80.07
                  2902015) VRay 7           cpu=-1 start=18.75 finish=80.07
                  2902016) VRay 8           cpu=-1 start=18.75 finish=80.07
                  2902017) VRay 9           cpu=-1 start=18.75 finish=80.07
                  2902018) VRay 10          cpu=-1 start=18.75 finish=80.07
                  2902019) VRay 11          cpu=-1 start=18.75 finish=80.07
                2901981) VRay 4           cpu=-1 start=16.44 finish=80.08
                2901982) VRay 5           cpu=-1 start=16.44 finish=80.08
                2901983) VRay 6           cpu=-1 start=16.45 finish=80.08
                2901984) VRay 7           cpu=-1 start=16.45 finish=80.08
                2901985) VRay 8           cpu=-1 start=16.45 finish=80.08
                2901986) VRay 9           cpu=-1 start=16.45 finish=80.08
                2901987) VRay 10          cpu=-1 start=16.51 finish=80.08
                2901988) VRay 11          cpu=-1 start=16.51 finish=80.08
                2901989) VRay 12          cpu=-1 start=16.51 finish=80.08
                2901990) VRay 13          cpu=-1 start=16.51 finish=80.08
                  2902020) VRay 12          cpu=-1 start=18.79 finish=80.07
                  2902021) VRay 13          cpu=-1 start=18.79 finish=80.07
                  2902022) VRay 14          cpu=-1 start=18.79 finish=80.07
                  2902023) VRay 15          cpu=-1 start=18.79 finish=80.07
                2901991) VRay 14          cpu=-1 start=16.51 finish=80.08
                2901992) RenderProgre 15  cpu=-1 start=16.51 finish=80.08