Unsafe.{get,put}-X-Unaligned; Efficient array comparison intrinsics (original) (raw)

John Rose john.r.rose at oracle.com
Fri Mar 6 22:37:08 UTC 2015


Wow, this looks excellent. I send a summary to panama-dev, FYI:

http://mail.openjdk.java.net/pipermail/panama-dev/2015-March/000098.html

That note has some discussion of atomicity which you might want to incorporate when you write the javadoc.

— John

On Mar 6, 2015, at 10:50 AM, Andrew Haley <aph at redhat.com> wrote:

I've tried to so everything I've been asked. If this version passes muster with everyone I'll Javadoc all the public methods and fields and put it up for RFA next week. I guess it's going to need a lot of testing and security analysis. I added versions of all {put,get} methods with the boolean bigEndian argument. This makes HeapByteBuffer much cleaner, and it does not need to know the machine endianness at all. I hope that's OK. Andrew.

http://cr.openjdk.java.net/~aph/unaligned.hotspot.4/ http://cr.openjdk.java.net/~aph/unaligned.jdk.4/



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