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Re-executing plug-Ins: Performance Issues [message #643279] Mon, 06 December 2010 06:36
Andreas Kaluza is currently offline Andreas Kaluza
Messages: 10
Registered: December 2010
Junior Member
Hello,

I wrote a plug-in, which derives proposals via the IJavaCompletionProposalComputer entry point. While benchmarking this plug-in I discovered that several re-executes lead to decrease the execution time. This re-execution happened at the same code position, of course without restarting Eclipse.

My benchmark result:
#1 5524ms
#2 1873ms
#3 2232ms
#4 984ms
#5 687ms
#6 859ms
#7 391ms
#8 391ms

I do only use type hierarchies and signatures.

I was wondering, why I got this results? Does Eclipse or JDT store something in the background and if so what (else)?

Regards

Andreas K.
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