Nicolas Vervelle wrote:
Nico, if you want to try this on Windows you can ... the Windows video
system is generally faster ... I suppose it is possible that there could
be some difference, but I don't think so.
Ok, I will try to get some time this evening to make a few tests with
the application.
Nico, we should see if we can reproduce this problem in the Jmol
application ... comparing 10.00.xx with 10.2.0 and the current trunk.
Yes, I will try with extracting a few SVN revisions.
Ok, I have done some testing that confirms there is a performance issue.
I have used several versions of the Jmol application with 1D68.pdb and
just "spin on".
Below, SVN release, memory usage, cpu usage:
r5056: 35M, 64-70%
r4900: 35M, 68-73%
r4800: 35M, Null Pointer Exception
r4700: 36M, Null Pointer Exception
r4600: 32M, 48-50%
r4500: 32M, 47-50%
So clearly between r4600 and r4900, cpu usage increased a lot, and
memory usage also.
Note also that cpu usage is less stable with recent releases, maybe
indicating garbage collector issues.
This is a little problematic to find which modifications are responsible
since intermediate releases are not working :(
I will do more testing with other files.
The cpu usage increase is not the x3 I first said, but my first tests
were with small molecules (cpu usage went from 7% to 20%).
Nico
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