Experimental Physics and
Industrial Control System

mdavidsaver <[email protected]> · Fri, 13 Jun 2014 19:58:10 -0000

On x86_64 Linux Intel(R) Xeon(R) CPU W3530 @ 2.80GHz

Before

$ ./src/ioc/db/test/O.linux-x86_64-debug/benchdbConvert | grep Final
# Final: 89.8318 ms +- 1.39919 ms. 111.3 MB/s (for 1 elements)
# Final: 93.7699 ms +- 0.56535 ms. 106.6 MB/s (for 2 elements)
# Final: 50.4515 ms +- 0.38340 ms. 198.2 MB/s (for 10 elements)
# Final: 41.5719 ms +- 0.17008 ms. 240.5 MB/s (for 100 elements)
# Final: 40.1080 ms +- 0.14451 ms. 249.3 MB/s (for 10000 elements)
# Final: 40.1119 ms +- 0.08290 ms. 249.3 MB/s (for 100000 elements)
# Final: 40.4242 ms +- 0.27215 ms. 247.4 MB/s (for 1000000 elements)
# Final: 41.1180 ms +- 1.41750 ms. 243.2 MB/s (for 10000000 elements)

After

$ ./src/ioc/db/test/O.linux-x86_64-debug/benchdbConvert | grep Final
# Final: 93.0104 ms +- 1.61940 ms. 107.5 MB/s (for 1 elements)
# Final: 76.3337 ms +- 0.39694 ms. 131.0 MB/s (for 2 elements)
# Final: 16.4737 ms +- 0.13362 ms. 607.0 MB/s (for 10 elements)
# Final: 2.2798 ms +- 0.10152 ms. 4386.4 MB/s (for 100 elements)
# Final: 1.0701 ms +- 0.06246 ms. 9345.2 MB/s (for 10000 elements)
# Final: 1.2648 ms +- 0.09690 ms. 7906.4 MB/s (for 100000 elements)
# Final: 2.2044 ms +- 0.14698 ms. 4536.4 MB/s (for 1000000 elements)
# Final: 4.0375 ms +- 1.74425 ms. 2476.8 MB/s (for 10000000 elements)

-- 
https://code.launchpad.net/~epics-core/epics-base/dbConvert-memmove/+merge/223116
Your team EPICS Core Developers is requested to review the proposed merge of lp:~epics-core/epics-base/dbConvert-memmove into lp:epics-base.

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System