apocryph.org Notes to my future self

26Sep/080

Moving to Future Hosting, Part II

The saga continues. In the last installment, I talked about the signup and initial use experience. This quick post is about performance.

I ran the UnixBench 4.1.0 WHT variant on both of my VPS boxes at various times, to see how they perform.

My two VPS boxes, lio and raz (Yes, I’m on an Anathem kick right now), are both brand-new FutureHosting ‘Elite’ VPS accounts. I’ve not done any optimization, nor are either of them hosting any sites with any traffic.

I ran the test with no arguments, then with 8 to make it utilize all eight virtual cores. I repeated this for both boxes. Then I ran the test simultaneously in both boxes, so see if they’re on the same node and if that degraded performance. The results are below.

Summary

lio turns in a WAY better score with 8 threads than raz, though they’re supposed to be identical. As in, 150 for raz, 250 for lio. Why the difference? I don’t know. Still, both of these scores are respectable for $35/mo, imho.

Raz, default thread count

System -- Linux raz.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             41943040   1300448  40642592   4% /

Start Benchmark Run: Thu Sep 25 19:11:34 CDT 2008
 19:11:34 up  9:45,  1 user,  load average: 0.13, 0.03, 0.01

End Benchmark Run: Thu Sep 25 19:23:12 CDT 2008
 19:23:12 up  9:57,  1 user,  load average: 17.11, 6.92, 2.98

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 13403469.3      355.7
Double-Precision Whetstone                      83.1     1345.6      161.9
Execl Throughput                               188.3     3856.0      204.8
File Copy 1024 bufsize 2000 maxblocks         2672.0    55015.0      205.9
File Copy 256 bufsize 500 maxblocks           1077.0      150.0        1.4
File Read 4096 bufsize 8000 maxblocks        15382.0   303300.0      197.2
Pipe Throughput                             111814.6   604792.1       54.1
Pipe-based Context Switching                 15448.6   178394.1      115.5
Process Creation                               569.3    12508.3      219.7
Shell Scripts (8 concurrent)                    44.8     1044.8      233.2
System Call Overhead                        114433.5  1207185.3      105.5
                                                                 =========
     FINAL SCORE                                                     107.7

Raz, with 8 threads

BYTE UNIX Benchmarks (Version 4.1-wht.2, 8 threads)
System -- Linux raz.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             41943040   1300468  40642572   4% /

Start Benchmark Run: Thu Sep 25 19:26:07 CDT 2008
 19:26:07 up 10:00,  1 user,  load average: 0.95, 3.88, 2.48

End Benchmark Run: Thu Sep 25 19:37:34 CDT 2008
 19:37:34 up 10:11,  1 user,  load average: 26.39, 10.88, 5.65

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 22294025.3      591.7
Double-Precision Whetstone                      83.1     1187.7      142.9
Execl Throughput                               188.3     4524.2      240.3
File Copy 1024 bufsize 2000 maxblocks         2672.0    60357.0      225.9
File Copy 256 bufsize 500 maxblocks           1077.0     1513.0       14.0
File Read 4096 bufsize 8000 maxblocks        15382.0   286290.0      186.1
Pipe Throughput                             111814.6  1282962.2      114.7
Pipe-based Context Switching                 15448.6   179541.3      116.2
Process Creation                               569.3    12956.3      227.6
Shell Scripts (8 concurrent)                    44.8     1321.5      295.0
System Call Overhead                        114433.5  1134031.5       99.1
                                                                 =========
     FINAL SCORE                                                     152.9

lio, with default threads

BYTE UNIX Benchmarks (Version 4.1-wht.2)
System -- Linux lio.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             34207160   1300636   5728564  19% /

Start Benchmark Run: Thu Sep 25 22:37:29 CDT 2008
 22:37:29 up 13:08,  1 user,  load average: 0.13, 0.04, 0.01

End Benchmark Run: Thu Sep 25 22:48:21 CDT 2008
 22:48:21 up 13:19,  1 user,  load average: 14.59, 6.19, 2.72

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 21966322.3      583.0
Double-Precision Whetstone                      83.1     1394.1      167.8
Execl Throughput                               188.3     4554.2      241.9
File Copy 1024 bufsize 2000 maxblocks         2672.0      342.0        1.3
File Copy 256 bufsize 500 maxblocks           1077.0    18094.0      168.0
File Read 4096 bufsize 8000 maxblocks        15382.0    27651.0       18.0
Pipe Throughput                             111814.6  1277497.8      114.3
Pipe-based Context Switching                 15448.6   384725.3      249.0
Process Creation                               569.3    13990.8      245.8
Shell Scripts (8 concurrent)                    44.8     1006.5      224.7
System Call Overhead                        114433.5  1249871.1      109.2
                                                                 =========
     FINAL SCORE                                                     104.2

lio, with 8 threads

BYTE UNIX Benchmarks (Version 4.1-wht.2, 8 threads)
System -- Linux lio.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             34354440   1300704   5875776  19% /

Start Benchmark Run: Thu Sep 25 23:44:28 CDT 2008
 23:44:28 up 14:15,  1 user,  load average: 0.00, 0.02, 0.39

End Benchmark Run: Thu Sep 25 23:55:50 CDT 2008
 23:55:50 up 14:26,  1 user,  load average: 28.57, 11.10, 4.88

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 35652954.9      946.2
Double-Precision Whetstone                      83.1     1362.3      163.9
Execl Throughput                               188.3     4617.4      245.2
File Copy 1024 bufsize 2000 maxblocks         2672.0    92159.0      344.9
File Copy 256 bufsize 500 maxblocks           1077.0    30916.0      287.1
File Read 4096 bufsize 8000 maxblocks        15382.0   705176.0      458.4
Pipe Throughput                             111814.6  2252648.2      201.5
Pipe-based Context Switching                 15448.6   404533.9      261.9
Process Creation                               569.3    12242.2      215.0
Shell Scripts (8 concurrent)                    44.8     1070.5      239.0
System Call Overhead                        114433.5  1826626.0      159.6
                                                                 =========
     FINAL SCORE                                                     277.4

raz and lio, running at the same time, with 8 threads

raz

BYTE UNIX Benchmarks (Version 4.1-wht.2, 8 threads)
System -- Linux raz.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             41943040   1300592  40642448   4% /

Start Benchmark Run: Thu Sep 25 23:52:53 CDT 2008
 23:52:53 up 14:26,  2 users,  load average: 0.01, 0.02, 0.00

End Benchmark Run: Fri Sep 26 00:04:31 CDT 2008
 00:04:31 up 14:38,  2 users,  load average: 30.74, 11.70, 4.89

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 29430207.6      781.1
Double-Precision Whetstone                      83.1     1298.8      156.3
Execl Throughput                               188.3     4788.6      254.3
File Copy 1024 bufsize 2000 maxblocks         2672.0     4551.0       17.0
File Copy 256 bufsize 500 maxblocks           1077.0    26223.0      243.5
File Read 4096 bufsize 8000 maxblocks        15382.0    15476.0       10.1
Pipe Throughput                             111814.6  1254858.6      112.2
Pipe-based Context Switching                 15448.6   185965.8      120.4
Process Creation                               569.3    13295.8      233.5
Shell Scripts (8 concurrent)                    44.8      772.5      172.4
System Call Overhead                        114433.5  1508631.3      131.8
                                                                 =========
     FINAL SCORE                                                     122.5

lio

BYTE UNIX Benchmarks (Version 4.1-wht.2, 8 threads)
System -- Linux lio.bulshytt.com 2.6.9-023stab046.2-enterprise #1 SMP Mon Dec 10 15:22:33 MSK 2007 i686 i686 i386 GNU/Linux
/dev/vzfs             34328540   1300728   5849852  19% /

Start Benchmark Run: Thu Sep 25 23:56:24 CDT 2008
 23:56:24 up 14:27,  1 user,  load average: 16.16, 9.93, 4.72

End Benchmark Run: Fri Sep 26 00:09:12 CDT 2008
 00:09:12 up 14:39,  1 user,  load average: 29.57, 12.20, 6.97

                     INDEX VALUES
TEST                                        BASELINE     RESULT      INDEX

Dhrystone 2 using register variables        376783.7 33713810.3      894.8
Double-Precision Whetstone                      83.1     1357.9      163.4
Execl Throughput                               188.3     4615.5      245.1
File Copy 1024 bufsize 2000 maxblocks         2672.0    21267.0       79.6
File Copy 256 bufsize 500 maxblocks           1077.0    33052.0      306.9
File Read 4096 bufsize 8000 maxblocks        15382.0   755979.0      491.5
Pipe Throughput                             111814.6  2226506.9      199.1
Pipe-based Context Switching                 15448.6   386106.1      249.9
Process Creation                               569.3    11791.2      207.1
Shell Scripts (8 concurrent)                    44.8     1232.2      275.0
System Call Overhead                        114433.5  1487546.9      130.0
                                                                 =========
     FINAL SCORE                                                     240.9
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