Bug 45264 - Overall performance pretty poor, with some specifics:
Summary: Overall performance pretty poor, with some specifics:
Status: RESOLVED WORKSFORME
Alias: None
Product: JDT
Classification: Eclipse Project
Component: UI (show other bugs)
Version: 2.1.1   Edit
Hardware: PC Windows XP
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: JDT-UI-Inbox CLA
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Reported: 2003-10-21 06:50 EDT by Kelsey Grant CLA
Modified: 2004-05-06 17:47 EDT (History)
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Description Kelsey Grant CLA 2003-10-21 06:50:47 EDT
I have noticed that over time, I use fewer and fewer of Eclipse's features, 
because it takes longer to use them than for me to do things manually. For 
example, ctrl-space will often take over a second to bring anything up. I find 
it faster to type myself, so I do not use code completion.

Similarly, ctrl-shift-T (search for class) can take over 5 seconds to display, 
which renders it next to useless for me. Holding down ctrl to get the 
hyperlink-to-declaration will hang the entire editor window for several 
seconds, and then when I do click on something it will often be where the 
mouse was a second or so ago, which makes it open the incorrect page. It also 
often requires several seconds of constant CPU usage to open the new editor 
window, making me even more frustrated when it got the wrong one.

I have a 1.8GHz machine with 1GB of RAM. The projects I work on aren't that 
large, maybe 1000 classes or so, with 30 or so dependent libraries, so I don't 
see why so much functionality should become unusable.
Comment 1 Dirk Baeumer CLA 2003-10-21 08:24:05 EDT
Kesley,

we did some performance optimizations especially in the area of open type and 
code assist. Did you encounter this behaviour with the latest build of the 3.0 
stream or are you using plain 2.1.1.
Comment 2 Kelsey Grant CLA 2003-10-21 08:25:04 EDT
This is 2.1.1, I have not used 3.
Comment 3 Dirk Baeumer CLA 2003-10-21 09:01:36 EDT
Can you please give 3.0 M4 a try and let me know if you still see the 
performace problems.
Comment 4 Dirk Baeumer CLA 2004-05-06 17:47:36 EDT
Closing as works for me. We will not do anything for 2.1.x.