Here are some virtual machine test results running under QEMU/KVM on a Dell PowerEdge C6520 with a Xeon Gold 5320 CPU and 256GB memory. This VM was set up as part of a CloudStack test environment.


Results Overview[edit source]

Hardware Dell PowerEdge C6520
CPU 52x Intel(R) Xeon(R) Gold 5320 CPU @ 2.20GHz
Hypervisor KVM
Memory 250GB
Disk Virtual, via NFS
Operating System Rocky Linux 8.5
Score 1130.3 / 11565.5

Raw Output

========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)

   System: rocky1: GNU/Linux
   OS: GNU/Linux -- 4.18.0-348.20.1.el8_5.x86_64 -- #1 SMP Thu Mar 10 20:59:28 UTC 2022
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 1: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 2: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 3: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 4: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 5: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 6: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 7: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 8: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 9: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 10: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 11: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 12: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 13: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 14: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 15: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 16: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 17: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 18: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 19: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 20: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 21: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 22: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 23: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 24: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 25: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 26: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 27: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 28: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 29: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 30: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 31: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 32: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 33: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 34: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 35: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 36: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 37: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 38: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 39: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 40: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 41: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 42: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 43: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 44: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 45: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 46: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 47: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 48: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 49: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 50: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 51: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   13:09:17 up 2 min,  1 user,  load average: 0.32, 0.19, 0.08; runlevel 2022-03-16

------------------------------------------------------------------------
Benchmark Run: Wed Mar 16 2022 13:09:17 - 13:37:13
52 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       48529047.0 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     6017.8 MWIPS (9.3 s, 7 samples)
Execl Throughput                               4636.0 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        484816.5 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          124165.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1732289.5 KBps  (30.0 s, 2 samples)
Pipe Throughput                              626371.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 169934.0 lps   (10.0 s, 7 samples)
Process Creation                               6425.6 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   7478.4 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   3403.9 lpm   (60.0 s, 2 samples)
System Call Overhead                         444262.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   48529047.0   4158.4
Double-Precision Whetstone                       55.0       6017.8   1094.1
Execl Throughput                                 43.0       4636.0   1078.1
File Copy 1024 bufsize 2000 maxblocks          3960.0     484816.5   1224.3
File Copy 256 bufsize 500 maxblocks            1655.0     124165.9    750.2
File Copy 4096 bufsize 8000 maxblocks          5800.0    1732289.5   2986.7
Pipe Throughput                               12440.0     626371.7    503.5
Pipe-based Context Switching                   4000.0     169934.0    424.8
Process Creation                                126.0       6425.6    510.0
Shell Scripts (1 concurrent)                     42.4       7478.4   1763.8
Shell Scripts (8 concurrent)                      6.0       3403.9   5673.2
System Call Overhead                          15000.0     444262.7    296.2
                                                                   ========
System Benchmarks Index Score                                        1130.3

------------------------------------------------------------------------
Benchmark Run: Wed Mar 16 2022 13:37:13 - 14:05:21
52 CPUs in system; running 52 parallel copies of tests

Dhrystone 2 using register variables     2064731507.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                   256101.7 MWIPS (9.2 s, 7 samples)
Execl Throughput                              53007.4 lps   (29.8 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        770226.5 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          195639.0 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2514630.6 KBps  (30.0 s, 2 samples)
Pipe Throughput                            26637679.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                6199892.9 lps   (10.0 s, 7 samples)
Process Creation                             113870.9 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                 119444.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                  14088.0 lpm   (60.1 s, 2 samples)
System Call Overhead                        4277658.8 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0 2064731507.9 176926.4
Double-Precision Whetstone                       55.0     256101.7  46563.9
Execl Throughput                                 43.0      53007.4  12327.3
File Copy 1024 bufsize 2000 maxblocks          3960.0     770226.5   1945.0
File Copy 256 bufsize 500 maxblocks            1655.0     195639.0   1182.1
File Copy 4096 bufsize 8000 maxblocks          5800.0    2514630.6   4335.6
Pipe Throughput                               12440.0   26637679.7  21412.9
Pipe-based Context Switching                   4000.0    6199892.9  15499.7
Process Creation                                126.0     113870.9   9037.4
Shell Scripts (1 concurrent)                     42.4     119444.2  28170.8
Shell Scripts (8 concurrent)                      6.0      14088.0  23480.1
System Call Overhead                          15000.0    4277658.8   2851.8
                                                                   ========
System Benchmarks Index Score                                       11565.5

Results Overview[edit source]

Hardware Dell PowerEdge C6520
CPU 4x Intel(R) Xeon(R) Gold 5320 CPU @ 2.20GHz
Hypervisor KVM
Memory 8GB
Disk Virtual, via NFS
Operating System Rocky Linux 8.5
Score 1115.8 / 2927.4

Raw Output

========================================================================
   BYTE UNIX Benchmarks (Version 5.1.3)

   System: rocky2: GNU/Linux
   OS: GNU/Linux -- 4.18.0-348.20.1.el8_5.x86_64 -- #1 SMP Thu Mar 10 20:59:28 UTC 2022
   Machine: x86_64 (x86_64)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 1: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 2: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 3: QEMU Virtual CPU version 2.5+ (4389.7 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   12:34:39 up 5 min,  2 users,  load average: 0.16, 0.10, 0.05; runlevel 2022-03-16

------------------------------------------------------------------------
Benchmark Run: Wed Mar 16 2022 12:34:39 - 13:02:34
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       48544673.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     6019.5 MWIPS (9.2 s, 7 samples)
Execl Throughput                               4743.7 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        502156.1 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          125097.4 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1749534.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                              631167.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 128482.9 lps   (10.0 s, 7 samples)
Process Creation                               8719.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   7964.4 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   2425.0 lpm   (60.0 s, 2 samples)
System Call Overhead                         449490.6 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   48544673.3   4159.8
Double-Precision Whetstone                       55.0       6019.5   1094.4
Execl Throughput                                 43.0       4743.7   1103.2
File Copy 1024 bufsize 2000 maxblocks          3960.0     502156.1   1268.1
File Copy 256 bufsize 500 maxblocks            1655.0     125097.4    755.9
File Copy 4096 bufsize 8000 maxblocks          5800.0    1749534.1   3016.4
Pipe Throughput                               12440.0     631167.7    507.4
Pipe-based Context Switching                   4000.0     128482.9    321.2
Process Creation                                126.0       8719.4    692.0
Shell Scripts (1 concurrent)                     42.4       7964.4   1878.4
Shell Scripts (8 concurrent)                      6.0       2425.0   4041.6
System Call Overhead                          15000.0     449490.6    299.7
                                                                   ========
System Benchmarks Index Score                                        1115.8

------------------------------------------------------------------------
Benchmark Run: Wed Mar 16 2022 13:02:34 - 13:30:30
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables      193741912.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                    24052.9 MWIPS (9.3 s, 7 samples)
Execl Throughput                              11556.2 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        810413.8 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          210586.0 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       2867155.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2526621.8 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 522571.7 lps   (10.0 s, 7 samples)
Process Creation                              34806.0 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                  18192.1 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   2806.1 lpm   (60.1 s, 2 samples)
System Call Overhead                        1608364.7 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0  193741912.4  16601.7
Double-Precision Whetstone                       55.0      24052.9   4373.3
Execl Throughput                                 43.0      11556.2   2687.5
File Copy 1024 bufsize 2000 maxblocks          3960.0     810413.8   2046.5
File Copy 256 bufsize 500 maxblocks            1655.0     210586.0   1272.4
File Copy 4096 bufsize 8000 maxblocks          5800.0    2867155.1   4943.4
Pipe Throughput                               12440.0    2526621.8   2031.0
Pipe-based Context Switching                   4000.0     522571.7   1306.4
Process Creation                                126.0      34806.0   2762.4
Shell Scripts (1 concurrent)                     42.4      18192.1   4290.6
Shell Scripts (8 concurrent)                      6.0       2806.1   4676.8
System Call Overhead                          15000.0    1608364.7   1072.2
                                                                   ========
System Benchmarks Index Score                                        2927.4