Hi!
Is OpenVZ Kernel slow?
When i'm running unixbench-4.1.0-wht-2 on the Host Machine with a non OpenVZ 2.6.27.18 Vanilla Kernel i get the following results:
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 50530575.6 1341.1
Double-Precision Whetstone 83.1 1674.4 201.5
Execl Throughput 188.3 25659.0 1362.7
File Copy 1024 bufsize 2000 maxblocks 2672.0 615188.0 2302.4
File Copy 256 bufsize 500 maxblocks 1077.0 196511.0 1824.6
File Read 4096 bufsize 8000 maxblocks 15382.0 1422019.0 924.5
Pipe Throughput 111814.6 11214912.1 1003.0
Pipe-based Context Switching 15448.6 2299837.1 1488.7
Process Creation 569.3 64781.5 1137.9
Shell Scripts (8 concurrent) 44.8 4974.5 1110.4
System Call Overhead 114433.5 17398060.3 1520.4
=========
FINAL SCORE 1136.9
When i install OpenVZ 2.6.18 or 2.6.26 Kernel and run WHT i get something like this:
INDEX VALUES
TEST BASELINE RESULT INDEX
Dhrystone 2 using register variables 376783.7 43674178.6 1159.1
Double-Precision Whetstone 83.1 1467.1 176.5
Execl Throughput 188.3 5866.4 311.5
File Copy 1024 bufsize 2000 maxblocks 2672.0 398961.0 1493.1
File Copy 256 bufsize 500 maxblocks 1077.0 207161.0 1923.5
File Read 4096 bufsize 8000 maxblocks 15382.0 1213218.0 788.7
Pipe Throughput 111814.6 10492852.7 938.4
Pipe-based Context Switching 15448.6 2225406.2 1440.5
Process Creation 569.3 13309.5 233.8
Shell Scripts (8 concurrent) 44.8 1571.6 350.8
System Call Overhead 114433.5 13993448.6 1222.8
=========
FINAL SCORE 699.4
Stefan
[Updated on: Thu, 05 March 2009 14:14]
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