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[EnergyPlus_Support] Simple Benchmarking and SSD vs HD [2 Attachments]

I recently purchased a solid state drive in hopes that it 
would increase the speed of EnergyPlus 8.1 simulations. I 
ran some benchmarks of the simulation files on either the 
solid state drive or a disk drive and the EnergyPlus program 
on the solid state drive or disk drive.  These were run from 
EP-Launch as a group and the temporary files were located 
where the input files are. I set EP-Launch to use one 
simulation process at a time. The operating system was on 
the disk drive. I took the elapsed time from the ERR file 
and also reported the timestamp of the first and last file 
to be created by the group of simulations. See the first 
four columns of results in the attached spreadsheet.

The conclusion surprised me: the solid state drive made 
almost no difference.

While I was at it, I ran the same simulations on some other 
computers I have.

To do the benchmarking, I just used the 16 reference 
buildings that come with EnergyPlus 8.1 but made them all 
annual simulations, also attached.

Feel free to add your own test results to the spreadsheet 
and redistribute but please describe the computer 
configuration. Can anyone's computer beat 1415 seconds?


Jason Glazer, P.E., GARD Analytics, 90.1 ECB chair
Admin for onebuilding.org building performance mailing lists

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