Using 64-bit java to run idea

I don't know if it will help speed things up or not, but I had wanted to try to use the 64-bit java runtime on the mac to run idea within. I added the "-d64" switch to the idea.vmoptions file. This has not broken anything, but I can't tell if it has done anything either. I looked in the log files, but did not find any reference to "d64". Is there any way to know if it is running 64bit?

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Eric Bergerson wrote:

I don't know if it will help speed things up or not, but I had wanted to try to use the 64-bit java runtime on the mac to run idea within. I added the "-d64" switch to the idea.vmoptions file. This has not broken anything, but I can't tell if it has done anything either. I looked in the log files, but did not find any reference to "d64". Is there any way to know if it is running 64bit?


From my experience, 64-bit may be slightly slower. AFAIK, there is only
a server 64-bit JVM and no client JVM. The advantage of 64 bits is with
available heap, not speed.

You could tell if you are running the 64-bit JVM by starting IDEA with
more than 4 GB of heap.

Cory

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That makes sense. Thanks.

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