----- Original Message ----- From: "JayT" <[EMAIL PROTECTED]> To: "John Sutter" <[EMAIL PROTECTED]> Sent: Friday, June 30, 2000 2:36 PM Subject: Re: [JAVA3D] java.lang.OutOfMemoryError > I've have tried the shareware version of OptimizeIt and part > of the memory is hogged up by some large arrays storing > MANY scene objects. Compound that with the fact that > I'm trying to display multiple universes (which i've read is > not really recommended). I understand there would be a > strain in memory that may be due to the fact of the total > number of shapes i'm trying to render. But, I'm not familiar > with other API's (other than OpenGL, and I haven't ruled > out trying to backtrack and go through that solution) but > I'm just wondering if other Java packages are also memory > hogs.. (I guess dealing in Java itself, inherantly there will > be memory issues) > > While I'm on the subject, when I do display items on the > screen, is the mouse event handler (for java3d) supposed > to be that slow when there are many items on the screen? > > I've compared my program to another similar program > written in Motif and PEX (PHIGS for X-windows) and > there really in no comparison.. but I'm thinking this is just the > nature of Java itself -> quick turnaround in design-implementation.. > > > Jay > > ----- Original Message ----- > From: "John Sutter" <[EMAIL PROTECTED]> > To: "Discussion list for Java 3D API" <[EMAIL PROTECTED]>; "JayT" > <[EMAIL PROTECTED]> > Sent: Friday, June 30, 2000 1:54 PM > Subject: Re: [JAVA3D] java.lang.OutOfMemoryError > > > > Have you used a profiling tool such as Optimizeit yet? > > > > Are you using JRE 1.3 Beta on Solaris? Our experience there > > hasn't been great. Lots of memory bloat compared to 1.2.2. > > > > -j > > > > > > JayT wrote: > > > > > > I have a rather large app with many items in the scenegraph and > > > having an OutOfMemoryError is not uncommon to me. It IS quite > > > frustrating. I try to design optimized code and utilize the command > > > line optimizations and I've come to the conclusion that it's going to > > > be a part of my code. The thing that I do now is to limit the > > > number of times of obtaining that error. > > > > > > Systems I have: > > > PIII/600Mhz/128MB/16Mvideo > > > PII/450Mhz/256MB/16Mvideo > > > Ultra2/3D creator > > > > > > Optimization line I use: > > > java -Xmx160000000 -ms128000000 myprogram > > > > > > (i've played around with the numbers but it doesn't really > > > matter) > > > > > > Just wondering out loud if there is going to be a VALID solution > > > to this problem because I don't believe I'm the only one that > > > has this problem.. > > > > > > Thanks, > > > > > > Jay > > > ----- Original Message ----- > > > From: "b. white" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Friday, June 30, 2000 8:20 AM > > > Subject: [JAVA3D] java.lang.OutOfMemoryError > > > > > > > I submitted a few questions related to the java.lang.OutOfMemoryError a > > > > few weeks ago. I have now encountered it again in another app I am > > > > designing. I haven't yet been able to determine if this is a java/j3d > > > > problem, or a mistake I am making in my code. If anyone else has > > > > encountered this problem please let me know what you did to solve it. If > > > > their is a bug filed for a memory leak related to creating, adding and > > > > removing multiple branchgroups please let me know. > > > > > > > > Thanks > > > > Brian > > > > [EMAIL PROTECTED] > > > > > > > > > =========================================================================== > > > > To unsubscribe, send email to [EMAIL PROTECTED] and include in the > body > > > > of the message "signoff JAVA3D-INTEREST". For general help, send email to > > > > [EMAIL PROTECTED] and include in the body of the message "help". > > > > > > > > > > =========================================================================== > > > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > > > of the message "signoff JAVA3D-INTEREST". For general help, send email to > > > [EMAIL PROTECTED] and include in the body of the message "help". > > > =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
