NB61DonePerfImprovements

Startup experience

• Cold startup of full IDE faster by 20% (empty IDE)
• Cold startup of full IDE with a project and files opened faster by 40%

• Projects open lazily after startup, the last used and user selected projects open first
• Editor initialization and opening does not block UI (AWT event queue)

• Memory consumption after startup down by 37% (87MB in 6.1 vs 140MB in 6.0)
• After startup initialization reduced by 50% (about 15s in 6.1 vs 30s in 6.0) (*)
• Scanning java project classpath after startup faster by 40%

I/O related

• Faster file deletion - about 50%
• Expand a folder with 100 java files faster by 40%, on network by 50%
• 1st code completion in java editor opening time reduced by 70%

More details in I/O improvements.

All numbers taken as average from relative improvements measured repeatedly across more platforms, rounded conservatively (e.g. 47% to 40% gain).

(*) Not counting in the up-to-date sources scanning