e5-2697v3 xen benchmarks.

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stickz
https://www.youtube.com/channel/UC40BgXanDqOYoVCYFDSTfHA

e5-2697v3 xen benchmarks.

Post by stickz »

I took this results in two different nfo locations. Both were using two HT cores on a e5-2697v3. My question is... Why would there be such a large variance in performance on the same hardware?

Frankfurt

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

   System: rna1: GNU/Linux
   OS: GNU/Linux -- 4.0.5-gentoo -- #1 SMP Wed Jun 24 04:57:09 CEST 2015
   Machine: x86_64 (GenuineIntel)
   Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
   CPU 0: Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz (5200.2 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   CPU 1: Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz (5200.2 bogomips)
          Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET
   09:09:55 up 14 days, 16:35,  1 user,  load average: 0.16, 0.07, 0.06; runlevel

------------------------------------------------------------------------
Benchmark Run: Fri Sep 04 2015 09:09:55 - 09:38:03
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       26027996.2 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     3991.5 MWIPS (9.7 s, 7 samples)
Execl Throughput                               4560.8 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        686163.3 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          211031.8 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1388146.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1419331.6 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 308676.2 lps   (10.0 s, 7 samples)
Process Creation                               8185.5 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5872.2 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1279.4 lpm   (60.0 s, 2 samples)
System Call Overhead                        3245525.8 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   26027996.2   2230.3
Double-Precision Whetstone                       55.0       3991.5    725.7
Execl Throughput                                 43.0       4560.8   1060.6
File Copy 1024 bufsize 2000 maxblocks          3960.0     686163.3   1732.7
File Copy 256 bufsize 500 maxblocks            1655.0     211031.8   1275.1
File Copy 4096 bufsize 8000 maxblocks          5800.0    1388146.1   2393.4
Pipe Throughput                               12440.0    1419331.6   1140.9
Pipe-based Context Switching                   4000.0     308676.2    771.7
Process Creation                                126.0       8185.5    649.6
Shell Scripts (1 concurrent)                     42.4       5872.2   1384.9
Shell Scripts (8 concurrent)                      6.0       1279.4   2132.3
System Call Overhead                          15000.0    3245525.8   2163.7
                                                                   ========
System Benchmarks Index Score                                        1338.9

------------------------------------------------------------------------
Benchmark Run: Fri Sep 04 2015 09:38:03 - 10:06:13
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       51653379.8 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     7941.0 MWIPS (9.7 s, 7 samples)
Execl Throughput                               8431.7 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        517818.3 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          150515.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1192503.2 KBps  (30.0 s, 2 samples)
Pipe Throughput                             2750010.0 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 607016.2 lps   (10.0 s, 7 samples)
Process Creation                              21134.2 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   9258.9 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1328.0 lpm   (60.0 s, 2 samples)
System Call Overhead                        3973308.9 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   51653379.8   4426.2
Double-Precision Whetstone                       55.0       7941.0   1443.8
Execl Throughput                                 43.0       8431.7   1960.9
File Copy 1024 bufsize 2000 maxblocks          3960.0     517818.3   1307.6
File Copy 256 bufsize 500 maxblocks            1655.0     150515.9    909.5
File Copy 4096 bufsize 8000 maxblocks          5800.0    1192503.2   2056.0
Pipe Throughput                               12440.0    2750010.0   2210.6
Pipe-based Context Switching                   4000.0     607016.2   1517.5
Process Creation                                126.0      21134.2   1677.3
Shell Scripts (1 concurrent)                     42.4       9258.9   2183.7
Shell Scripts (8 concurrent)                      6.0       1328.0   2213.3
System Call Overhead                          15000.0    3973308.9   2648.9
                                                                   ========
System Benchmarks Index Score                                        1899.6
New York

Code: Select all

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

System: rna3: GNU/Linux 
OS: GNU/Linux -- 4.1.2 -- #1 SMP Mon Jul 13 12:25:30 PDT 2015 
Machine: x86_64 (GenuineIntel) 
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8") 
CPU 0: Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz (5200.1 bogomips) 
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET 
CPU 1: Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz (5200.1 bogomips) 
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET 
07:50:21 up 22 days, 16:08, 2 users, load average: 0.14, 0.05, 0.05; runlevel

------------------------------------------------------------------------ 
Benchmark Run: Fri Sep 04 2015 07:50:21 - 08:18:22 
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 33861705.8 lps (10.0 s, 7 samples) 
Double-Precision Whetstone 4430.5 MWIPS (9.7 s, 7 samples) 
Execl Throughput 4409.1 lps (30.0 s, 2 samples) 
File Copy 1024 bufsize 2000 maxblocks 1111668.3 KBps (30.0 s, 2 samples) 
File Copy 256 bufsize 500 maxblocks 309336.2 KBps (30.0 s, 2 samples) 
File Copy 4096 bufsize 8000 maxblocks 2393008.3 KBps (30.0 s, 2 samples) 
Pipe Throughput 2242866.4 lps (10.0 s, 7 samples) 
Pipe-based Context Switching 425717.3 lps (10.0 s, 7 samples) 
Process Creation 9777.4 lps (30.0 s, 2 samples) 
Shell Scripts (1 concurrent) 8419.2 lpm (60.0 s, 2 samples) 
Shell Scripts (8 concurrent) 1754.9 lpm (60.0 s, 2 samples) 
System Call Overhead 3728054.6 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX 
Dhrystone 2 using register variables 116700.0 33861705.8 2901.6 
Double-Precision Whetstone 55.0 4430.5 805.5 
Execl Throughput 43.0 4409.1 1025.4 
File Copy 1024 bufsize 2000 maxblocks 3960.0 1111668.3 2807.2 
File Copy 256 bufsize 500 maxblocks 1655.0 309336.2 1869.1 
File Copy 4096 bufsize 8000 maxblocks 5800.0 2393008.3 4125.9 
Pipe Throughput 12440.0 2242866.4 1802.9 
Pipe-based Context Switching 4000.0 425717.3 1064.3 
Process Creation 126.0 9777.4 776.0 
Shell Scripts (1 concurrent) 42.4 8419.2 1985.7 
Shell Scripts (8 concurrent) 6.0 1754.9 2924.9 
System Call Overhead 15000.0 3728054.6 2485.4 
======== 
System Benchmarks Index Score 1794.5

------------------------------------------------------------------------ 
Benchmark Run: Fri Sep 04 2015 08:18:22 - 08:46:26 
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables 65849891.8 lps (10.0 s, 7 samples) 
Double-Precision Whetstone 8810.6 MWIPS (9.9 s, 7 samples) 
Execl Throughput 10848.4 lps (30.0 s, 2 samples) 
File Copy 1024 bufsize 2000 maxblocks 1133128.0 KBps (30.0 s, 2 samples) 
File Copy 256 bufsize 500 maxblocks 315710.4 KBps (30.0 s, 2 samples) 
File Copy 4096 bufsize 8000 maxblocks 3086648.8 KBps (30.0 s, 2 samples) 
Pipe Throughput 4411346.2 lps (10.0 s, 7 samples) 
Pipe-based Context Switching 740888.4 lps (10.0 s, 7 samples) 
Process Creation 26461.4 lps (30.0 s, 2 samples) 
Shell Scripts (1 concurrent) 12734.3 lpm (60.0 s, 2 samples) 
Shell Scripts (8 concurrent) 1805.5 lpm (60.0 s, 2 samples) 
System Call Overhead 4710887.3 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX 
Dhrystone 2 using register variables 116700.0 65849891.8 5642.7 
Double-Precision Whetstone 55.0 8810.6 1601.9 
Execl Throughput 43.0 10848.4 2522.9 
File Copy 1024 bufsize 2000 maxblocks 3960.0 1133128.0 2861.4 
File Copy 256 bufsize 500 maxblocks 1655.0 315710.4 1907.6 
File Copy 4096 bufsize 8000 maxblocks 5800.0 3086648.8 5321.8 
Pipe Throughput 12440.0 4411346.2 3546.1 
Pipe-based Context Switching 4000.0 740888.4 1852.2 
Process Creation 126.0 26461.4 2100.1 
Shell Scripts (1 concurrent) 42.4 12734.3 3003.4 
Shell Scripts (8 concurrent) 6.0 1805.5 3009.1 
System Call Overhead 15000.0 4710887.3 3140.6 
======== 
System Benchmarks Index Score 2825.9
Garde1989
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Re: e5-2697v3 xen benchmarks.

Post by Garde1989 »

I'm quite curious as to why this would happen as well.
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TacTicToe
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Re: e5-2697v3 xen benchmarks.

Post by TacTicToe »

OS: GNU/Linux -- 4.0.5-gentoo -- #1 SMP Wed Jun 24 04:57:09 CEST 2015

OS: GNU/Linux -- 4.1.2 -- #1 SMP Mon Jul 13 12:25:30 PDT 2015


Only notable difference I can see between the two machines. Hard to believe it would make that much of a difference though.
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