That's right. It's not a plug-in. You can't launch a huge number of applets
on a page. Can SAGE work around that?
On Mon, Mar 28, 2011 at 8:08 AM, Jonathan Gutow <[email protected]> wrote:
> Dear all,
>
> I've been working this last week on Jmol in SAGE math (www.sagemath.org).
> I thought people might be interested in what I've learned. In the process
> I've unearthed a number of issues on MacOS.
>
> a) When launching a lot of applets on a page in FF sometimes not all the
> applets finish initializing. There appears to be a memory/process collision
> problem. It is so intermittent that I have not been able to pin it down.
> Things seem to be worst on 64 bit installations.
>
> b) Safari also has problems with launching a lot of applets. This one I
> could trace to memory issues. I think Safari has a memory leak as the
> problem occurs even after most of the applets are forced to close.
> Interestingly, this problem shows up as a security violation when calls
> attempt to get an image from the applet as a string.
>
> c) Jmol works very well in Chrome on MacOS. I was unable to produce any of
> the oddities I saw in FF or Safari.
>
> Notes:
> 1) The tests involve launching pages that have lots of Jmols on them. It
> is very easy to run up against the memory limits of the JVM in the browser,
> so the launches are carefully controlled to be sequential and no more than 4
> of the applets are allowed to stay open simultaneously. A repeating
> javascript process replaces an already open Jmol with an image before
> opening the next one.
> 2) To see examples of what the pages in Sagemath look like go to
> http://<http://141.233.197.45:8888/home/pub/0>
> 141.233.197.45:8888/home/pub/0
> 3) FF and Chromium work very well on Ubuntu Linux
> 4) I haven't performed these demanding tests on a Windows machine yet.
>
> Jonathan
> Dr. Jonathan H. Gutow
> Chemistry Department [email protected]
> UW-Oshkosh Office:920-424-1326
> 800 Algoma Boulevard FAX:920-424-2042
> Oshkosh, WI 54901
> http://www.uwosh.edu/facstaff/gutow
>
>
>
>
>
>
>
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--
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St. Olaf College
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-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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