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I've checked logs and found some significant differences there: Lookups set dT= 0.5s on average for 20081229 vs 7-9s for 20090202 ModuleInstall for org.netbeans.modules.editor.completion/1 called dT= 0.02s on average for 20081229 vs 4-6s for 20090202
Created attachment 76502 [details] log
Created attachment 76503 [details] log
One of the possible reasons for this slowdown is the fact that the VM starts on Server mode on Windows. This may be related to launcher changes. Btw. workaround would be to start with --fork-java parameter.
2637b943acc4
Integrated into 'main-golden', will be available in build *200902180201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/2637b943acc4 User: Tomas Holy <t_h@netbeans.org> Log: #157829: Startup time increased according to the latest comparative measurements
verified in 20090218