[isabelle-dev] Editing large sessions with Isabelle/jEdit
noschinl at in.tum.de
Thu Dec 6 14:22:45 CET 2012
On 06.12.2012 14:20, Makarius wrote:
> On Thu, 6 Dec 2012, Lars Noschinski wrote:
>> Does this also influence memory usage?
> Probably not. In general one also needs to distinguish ML and JVM
> resources. David Matthews made Poly/ML 5.5.0 ultra-smart in memory
> management, and the JVM still cannot quite compete.
> So this seems to mean JVM memory ...
Yes, I was talking about JVM memory (which is shown in the lower right
corner of jEdit).
>> With "sort-of", I mean that the word stopped for a few seconds
>> (apparently for garbage collection). Memory usage then dropped to
>> around 750 of 1000MiB, but filled up very quickly again, even if I was
>> just browsing around, not making any changes (This was with my graph
>> library, which hasn't a current, publicly available copy at the
>> moment. But it is definitely small compared to e.g. Probability).
> Did you try to monitor the JVM process already? I usually use jconsole
> or jvisualvm. None of them is really good, so I switch back and forth
> and make guesses.
I'll keep this in mind for the next time it happens.
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