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Your Eclipse is slow. Optimizer for Eclipse speeds up your IDE by finding and fixing common configuration issues in your Eclipse installation. These can include low memory allocation settings, slow class verification, excessive Eclipse indexes and history. Also under performing JDK, an out of date Eclipse version or tediously long build and redeploy cycles. Enjoy coding in Eclipse once again.
Unsuccessful Installs in the last 7 Days: 7
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Submitted by Maxxyme _ on Tue, 2017-10-03 11:30
OK it's Free, but even before you can use it you have to register. Mandatory. No way to skip it. I don't like that. Uninstalled!!
Submitted by Andrew Sowerby on Mon, 2016-02-15 13:44
Even if this isn't just a way of harvesting user details, which some reviewers seem to think it is, I can't see the point of this plugin.
You can achieve the same results by adjusting your -vmargs in the eclipse.ini, or in your shortcut or command line you use to start the application.
1) Just add adequate heap settings:
e.g. Xms1024m and Xmx1024m, or more, depending on how hard you push eclipse
(setting them to the same size will avoid unnecessary heap resizing and garbage collection cycles)
In my main dev environment, I use -Xms4096m and -Xmx4096m (the machine has 16GB physical memory) because I work with some fairly large files that would occasionally trigger an OOM otherwise.
You should always start fairly small, and only increase it when you face OOM errors, so that you get to know how much memory you typically need. There's no point having a 4G or 8G heap if you're only using 1GB of it on average!! When it eventually grows and a GC cycle is triggered, it will take quite some time to complete.
2) disable class verification with -Xverify:none
Note: this can backfire if you are loading plugins from the marketplace that aren't very solid - if you find Eclipse crashes, you should start by removing (or commenting out) this parameter from your eclipse.ini
3) adjust perm sizes (Oracle JVM - not relevant to the IBM JVM) - however, if you have a 64-bit JVM, you should see they are already set this way by default, anyway :)
If you DO have a 64-bit JVM, you should probably consider increasing them both to 512m.
IF you are running eclipse on an IBM JVM, you can use -Xcompressedrefs (this is pretty nice, and is enabled by default in all IBM WebSphere based products since WAS 8, perhaps older).
Don't set it for an Oracle or OpenJDK JVM, because it won't be understood, and might get misinterpreted as -Xcomp!
There are also some things this plugin does that I wouldn't agree with:
4) it switches GC policy (Oracle JVM - not relevant to IBM JVM)
This is not usually helpful unless you have really huge heapsizes (e.g. 10G, according to Oracle themselves).
I think that it would be better to just disable System.gc() with -XX:+DisableExplicitGC and leave it at that, in most cases. Otherwise, you could be doing more harm than good.
this sets the server version of the Java HotSpot VM. Even though this setting causes the JVM to perform more slowly at first, performance improves over time. However, I'm not sure this will ever be the case for a typical user of Eclipse, who will not be running the eclipse JVM for long enough to see the that "performance improves over time". I suspect that the default "-client" JVM setting would be just as good in most cases.
This tool makes changes that probably aren't necessary for most eclipse environments, and some of which may actually do more harm than good.
Of course, it is better to enable verbose GC logging, collect data and analyze it with good tools such as IBM's PMAT or GCMV (verbosegc log troubleshooting tools) to see what your bottleneck actually is. Then, make the suggested changes, or just look at Oracle's or IBM's (depending on which JVM you use) performance tuning guides to make the correct changes.
These "one size fits all" tools are rarely a precise fit for anyone!
Submitted by Jari Juslin on Thu, 2016-01-14 02:43
This extension is a scam. First of all, instead of doing anything useful, you only get a uncloseable modal dialog requiring you to create an account and need to close Eclipse to close the dialog. When I tried to register, the registration didn't work. And the extension keeps spamming with unsoliticed notification balloons even while I have never been able to actually use it. The notification balloons are especially annoying because they pop up even when I have another window active, coming on top of the window of the other program blocking visibility and you can't close them without activating Eclipse window first.
It seems this is just a trick to collect contact details for programmers; there is absolutely no need to ask registration for a plugin to do its work and it is uncustomary to do so.
Submitted by Szczepan Holyszewski on Fri, 2016-10-14 04:53
To be fair, the dialog is closeable by Esc.
Everything else, agreed 100%. I should have read the reviews before installing.
Submitted by Dustin Singleton on Mon, 2015-10-26 11:38
This made my eclipse unusable. It would crash on startup. After finally getting it installed After that, it asks you to enter in your information, such as name, phone #, and email address and won't let you continue without doing it.
This software is invasive and the reviews all seem fake.
Submitted by Raymond Remedios on Tue, 2015-10-20 16:33
Optimizer saved 4 seconds. Thanks.
Submitted by Hamza Anis on Wed, 2015-10-14 11:07
I am using eclipse Mars and it works great . This tool saved at least 5 seconds on every startup. Keep it up. Good work. I suggest it to everyone . Amazing
Submitted by Vicente Perez on Wed, 2015-10-14 06:01
Seems that the registration doesnt work? We have our domain network settings working but the registration page doesnt go anywere after the tweaking?
Submitted by David Bekel on Wed, 2015-08-12 16:46
Looks a nice product but i don't like to enter my credentials for a thing that i don't know if i am going to use at all.
good luck !
Submitted by Daniel Anjos on Tue, 2015-03-17 04:23
Simple and easy to use, saved 4 seconds (33%) of startup time from a fresh (clean) Eclipse Luna installation.
Submitted by Paul Verest on Wed, 2015-03-11 22:54
Maybe not so featureful, but done flashy.
And it did help to save 4s on start-up by disabling class verification.
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