Please Concentrate on Performance Enhancements for Next Version

Hello,

Thank you VERY much for giving us all a product as great as IDEA. I continue to be amazed at how useful and innovative this development environment is (and I've been using the product for a couple of years now).

I would like to add my vote the growing list of votes to request that JetBrains focus a good deal of effort on improving the performance of IDEA in upcoming release(s). I would love to see IDEA as fast as humanly possible in the following obvious areas:

- launch time
- project and code parse time (building caches, etc)
- code editing performance (especially on large files with many lines)
- refactoring performance
- build time

Thanks again for a great product!

- Eric



5 comments
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Hello Eric H.,

We are indeed spending a good deal of effort on performance, and several
of the users of the first EAP build of the new version report that the performance
has improved significantly compared to the version 5.1. You are welcome to
try this for yourself:

http://www.intellij.net/eap/

E> Thank you VERY much for giving us all a product as great as IDEA. I
E> continue to be amazed at how useful and innovative this development
E> environment is (and I've been using the product for a couple of years
E> now).
E>
E> I would like to add my vote the growing list of votes to request that
E> JetBrains focus a good deal of effort on improving the performance of
E> IDEA in upcoming release(s). I would love to see IDEA as fast as
E> humanly possible in the following obvious areas:
E>
E> - launch time
E> - project and code parse time (building caches, etc)
E> - code editing performance (especially on large files with many
E> lines)
E> - refactoring performance
E> - build time
E> Thanks again for a great product!

--
Dmitry Jemerov
Software Developer
JetBrains, Inc.
http://www.jetbrains.com
"Develop with pleasure!"


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Also, there seems to be performance problems when using libraries that are not jar-ed but stored as class files in a directory structure. After packaging internal proprietary libraries into jars IDEA performed much much better.

Another performance problems is when using a lot of libraries with a lot of class files (all jar-ed). For example when working with 'standard' J2EE stack: Spring/Hibernate/Tomcat/JSF/JavaMail...

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Hello Mileta,

MC> Also, there seems to be performance problems when using libraries
MC> that are not jar-ed but stored as class files in a directory
MC> structure. After packaging internal proprietary libraries into jars
MC> IDEA performed much much better.
MC>
MC> Another performance problems is when using a lot of libraries with a
MC> lot of class files (all jar-ed). For example when working with
MC> 'standard' J2EE stack: Spring/Hibernate/Tomcat/JSF/JavaMail...

Which exactly operations are slow, and can you send CPU snapshots for those
operations?

--
Dmitry Jemerov
Software Developer
JetBrains, Inc.
http://www.jetbrains.com
"Develop with pleasure!"


0
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i had big performance issues be4 with my laptop p4@3.2Ghz. everything i did was just slow no matter what.

finally, i was given a dual-core machine and everything is just fine now. the project is about 1000 items (only the jsps and classes) it loads in a few seconds (as opposed to more than 2 minutes, compilation and editing is just lagless.

so, unfortunately it seems you have to upgrade ur system in order to achieve a reasonable level of performance..

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Thanks for the notice on the EAP version. I also noticed that when two separate projects are opened in different windows that the editor performance deteriorates rapidly (in version 5.1).

- Eric

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