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Re: eclipse 3.1.1 and choppy audio



Then why does the problem go away when i stop and then restart eclipse? put another way, when i drag the mouse cursor around after a while in eclipse, the audio is scratchy. Even when I alt-tab out to another app while eclipse is in this state, there's no scratch. Alt-tab back into eclipse, then it's scratchy. granted it may still be itunes, but there's something with eclipse/java factoring in.

russ


Robert Sfeir wrote:
It happens in different apps, it's not Eclipse only, or Java apps only. Problem is iTunes.

On 1/4/06, *Russ Trotter* < email@hidden <mailto:email@hidden>> wrote:

    Ok, well, as I type this email, eclipse is scratching the audio and i'm
    getting ready to restart it :-(

    what sort of measurement would help diagnose the problem?

    btw, i'm trying it with the default for heap max (i.e. i omit an -Xmx
    option entirely from my eclipse.init) and i'll report what I find.

    russ


Greg Guerin wrote: > Russ Trotter wrote: > > >>Hi Greg, just to clarify, I had said that my *total* physical memory is >>1GB. Free memory when eclipse "warms" up is around 40 MB with the other >>things i have running (iTunes, safaris, one firefox window, thunderbird, >>terminals, etc) > > > Sorry for my confusion. I was mixing up your config with Rick Genter's post: > < http://lists.apple.com/archives/java-dev/2006/Jan/msg00004.html> > > >>is that 40mb free the smoking gun? > > > Can't tell. However, with a heap-max of 512MB, you may well be > over-committing your machine's memory, as Shawn Erickson pointed out. That > is, if you don't have 512MB to spare, you can induce swapping, which leads > to other problems. See the post I cited before: > <http://lists.apple.com/archives/java-dev/2005/Aug/msg00053.html> > > However, since at least 2 other people have posted that they have huge > tracts of free memory yet they still get audio breakup, it doesn't seem > like swapping is the problem. Based on all the reports posted here, it's > impossible to infer or conclude anything about a probable cause. There > just isn't enough detail or measurements of what's happening in each > situation. > > > Also, I ran 'vm_stat 3' on a dual G4, 1GB machine this morning and moved > the mouse around a lot in Terminal (mouse-move, not mouse-drag). It showed > 200-300 "page faults" all of which were "zero fill": no copy-on-writes, no > page outs, no page ins, no reactivates, etc. This was done with no > Eclipse, no Java, no iTunes, just Terminal and Finder. So just because > there are "page faults" doesn't necessarily tell you much. > > -- GG > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Java-dev mailing list (email@hidden <mailto:email@hidden>) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/java-dev/email@hidden > > This email sent to email@hidden <mailto:email@hidden> > _______________________________________________ Do not post admin requests to the list. They will be ignored. Java-dev mailing list ( email@hidden <mailto:email@hidden>) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/java-dev/email@hidden <http://lists.apple.com/mailman/options/java-dev/email@hidden>

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References: 
 >Re: eclipse 3.1.1 and choppy audio (From: Russ Trotter <email@hidden>)
 >Re: eclipse 3.1.1 and choppy audio (From: Robert Sfeir <email@hidden>)



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