On 03/10/2015 04:34 PM, Robert Hanson wrote:
> Rolf,
>
> I have not seen that issue -- I suppose this is going to the console, and
> maybe your machine has memory issues with that -- too much printing? I did
> recently set it to scroll to the end after each print, and that requires
> calculating the number of characters, which I think Jmol perhaps was not
> doing before. Check with a version that is a few months old and see if it
> is the same or different, please.
>
It is going to the script console.
The size of the output in the history console is clearly influencing
print time. A few thousand lines of output already decrease the print
speed very much as you can see in the example below:
function stest(iMax) {
var startTime = now();
var counter = 0;
for (i=1; i<iMax; i++) {
counter++;
var pMsg = "Iteration " + i + " of " + iMax + "...";
print pMsg;
}
print "FINISHED: iterations=" + iMax + " counter=" + counter + "
calculation time=" + now(startTime) + " ms";
}
---- Test Results ---------------
stest(1000);
FINISHED: iterations=1000 counter=999 calculation time=475 ms
stest(1000); # 5 times
FINISHED: iterations=1000 counter=999 calculation time=1645 ms
stest(10000);
FINISHED: iterations=10000 counter=9999 calculation time=51051 ms
stest(1000);
FINISHED: iterations=1000 counter=999 calculation time=8480 ms
---------------------------------
The earliest version I had available was 13.1.4 from 2012. I also
checked 14.2.9 and 14.0.5. In general the slowdown can also be seen in
all these versions. Since the 'now' function was introduced in 14.2 I
can't provide exact timing information for the older versions.
In all of them the display follows the bottom of the output.
Regards,
Rolf
--
Rolf Huehne
Postdoc
Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI)
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