Blogging Roller

Dave Johnson on open web technologies, social software and software development

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I tried this out, but the memory settings don't seem to have anything to do with startup time. 18 seconds - "eclipse.exe" 13 seconds - "eclipse.exe -vmargs -Xverify:none" 12 seconds - "eclipse.exe -vmargs -Xverify:none -XX:+UseParallelGC -XX:PermSize=20M -XX:MaxNewSize=32M -XX:NewSize=32M -Xmx96m -Xms96m" It's only the Xverify:none parameter which has a noticeable effect on reducing startup time. On the java website I found that this parameter turns off bytecode verification (http://developer.java.sun.com/developer/onlineTraining/Security/Fundamentals/Security.html), although the default is supposedly "only verify classes loaded over the network". In addition, when I just use the verify:none flag Eclipse (according to Windows) uses 35 megabytes of memory. When I specificy memory usage, 127 megabytes of memory.

Posted by Paul Rivers on March 13, 2003 at 11:55 PM EST #

I would post this on Ultraplex's blog, but he doesn't seem to have comments. I tried the same thing and it didn't work on jdk1.4.0. I upgraded to jdk1.4.1 - and then it worked.

Posted by Paul Rivers on March 15, 2003 at 11:58 PM EST #

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