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JavaRanch » Java Forums » Java » Threads and Synchronization
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Slower When threaded.

john sayeau
Ranch Hand

Joined: Aug 23, 2010
Posts: 33
I also posted this in the beginner section as I am one.
I have two simple programs that do the same thing. One threaded one not. I'm doing something wrong in the threaded one as it takes , on average , 4 times longer to do the same ting as the unthreaded version. I'm running two threads on a macbook pro. The activiy monitor show both cores going really hard(95%). Can someone point me in the right direction?
Here is the threaded version.


here is the unthreaded version:

Paul Clapham

Joined: Oct 14, 2005
Posts: 19738

It looks like you cross-posted this over here:

Please CarefullyChooseOneForum for your posts. I will lock this one.
I agree. Here's the link:
subject: Slower When threaded.
It's not a secret anymore!