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Set Eclipse use 16core CPU [message #1768645] Thu, 20 July 2017 22:38 Go to next message
Alex Alliance is currently offline Alex AllianceFriend
Messages: 3
Registered: July 2017
Junior Member
Hello guys!
I have a trouble.
I'm using Eclipse for work on PC with Xeon E5-2698V3, 80Gb RAM, Samsung Evo 850Gb SSD, and...
CPU Load 6-7% ;(
Memory set to -Xms48g -Xmx64g, but not using more 3Gb, and...
Help me, how set using CPU more?
Thanks in advance and sorry for the bad english
Re: Set Eclipse use 16core CPU [message #1768646 is a reply to message #1768645] Fri, 21 July 2017 00:36 Go to previous messageGo to next message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 3586
Registered: July 2009
Senior Member

Which JVM?

Nitin Dahyabhai
Eclipse Web Tools Platform
Re: Set Eclipse use 16core CPU [message #1768647 is a reply to message #1768646] Fri, 21 July 2017 00:37 Go to previous messageGo to next message
Alex Alliance is currently offline Alex AllianceFriend
Messages: 3
Registered: July 2017
Junior Member
Nitin Dahyabhai wrote on Fri, 21 July 2017 00:36
Which JVM?

jdk1.8.0_131
Re: Set Eclipse use 16core CPU [message #1768648 is a reply to message #1768647] Fri, 21 July 2017 00:41 Go to previous messageGo to next message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 3586
Registered: July 2009
Senior Member

Is it 64-bit? Are the O.S. and Eclipse also 64-bit?

Nitin Dahyabhai
Eclipse Web Tools Platform
Re: Set Eclipse use 16core CPU [message #1768649 is a reply to message #1768648] Fri, 21 July 2017 00:41 Go to previous messageGo to next message
Alex Alliance is currently offline Alex AllianceFriend
Messages: 3
Registered: July 2017
Junior Member
Nitin Dahyabhai wrote on Fri, 21 July 2017 00:41
Is it 64-bit? Are the O.S. and Eclipse also 64-bit?

yep
Re: Set Eclipse use 16core CPU [message #1768658 is a reply to message #1768649] Fri, 21 July 2017 05:48 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 30879
Registered: July 2009
Senior Member
The extent to which Eclipse uses more of your CPU cores depends on how many threads are actively running in the process. Much work needs to be done on the main thread (any work that directly manipulates the UI controls), so that's often gating factor for the extent to which multiple threads can be used. And while various things are delegated to background jobs (threads), e.g., the incremental builder, there's no VM setting you can set that has any impact on the extend to which multiple threads will be used in Eclipse.
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