RE: [ajdt-dev] Re: Slow Build and Clean Times ... Where To Start?

["Mik Kersten" <beatmik@xxxxxxx>]

Since it sounds like your VM could be thrashing, there's a quick way to
check for that if you're running under Windows (which might not be reporting
the VM size that you expect).  Open your "Task Manager", and check the "Mem
Usage" column for javaw.exe as the compile is happening.  If it's growing
slightly, then shrinking a bit, and repeating then your GC is thrashing and
you need to give the VM more memory.

Mik

> -----Original Message-----
> From: ajdt-dev-admin@xxxxxxxxxxx [mailto:ajdt-dev-admin@xxxxxxxxxxx] On
> Behalf Of Matt Chapman
> Sent: Wednesday, December 01, 2004 2:59 AM
> To: ajdt-dev@xxxxxxxxxxx
> Subject: RE: [ajdt-dev] Re: Slow Build and Clean Times ... Where To Start?
> 
> Yes, the last field of the version is a date/timestamp, so that build is
> from 5 Oct, prior to 1.2.0M1. But I'm fairly sure that it has the build
> time classpath resolver in it, making bug 70000 not relevant here. I'm not
> specifically aware of any changes since then that might affect you, but if
> you want to upgrade, the latest development builds should be okay. The
> development update site is:
> http://download.eclipse.org/technology/ajdt/30/dev/update
> 
> It would also be useful to know the number of lines of code you have, to
> see if we can scale up the measurements I made on a smaller project, as
> reported in bug 44215. A 512m heap sounds too small to me, for a project
> that big. If you have the available physical ram, I suggest increasing the
> heap to see if that makes the build any faster.
> 
> Regards,
> 
> Matt.
> 
> ajdt-dev-admin@xxxxxxxxxxx wrote on 30/11/2004 22:54:50:
> > We have a large number of small projects.  About 300 I think.  I would
> guess
> > we have a complicated dependency tree.  I didn't design things this way
> I've
> > just inherited the structure =).  It looks as if we are using a custom
> build
> > of 1.2
> >
> > org.eclipse.ajdt.ui_1.2.0.20041005173154
> >
> > from the looks of things back in October.  Has the 1.2 line always had
> the
> > wrapper or could we have an older version before you added it?  I don't
> > think memory is completely the issue.  I have the heap set at 512megs
> right
> > now and things still take 2-3 hours on a full build clean.  I don't
> think
> > even 500megs of code should take that long =). I'll try turning off the
> > structure view and running things tonight to see if that has an effect.
> >
> > Scott
> 
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