Can someone explain briefly the notion of "syncronization" as it is being used 
here?

-----Original Message-----
From:	PC :cohenb at gemstone.com 
Sent:	Thursday, January 21, 1999 5:10 PM
To:	marcel at system.de
Cc:	squeak at cs.uiuc.edu
Subject:	HotSpot (was: Re: Concurrency in Squeak? Is there any?)

I said:
>     3) The principle behind the improvements in synchronization speed 
> has been published (in the ASPLOS VII proceedings, I think).

And I should learn to check before opening my mouth.  The article I was
referring to was written by people from IBM TJ Watson Labs, not from
Sun, and was actually published in the 1998 PLDI proceedings.  The
correct citation is:

   Thin Locks: Featherweight Synchronization for Java
   Bacon, et. al.
   ACM SIGPLAN '98 Conference on Programming Language Design and
Implementation
   SIGPLAN Notices Volume 33, Number 5, May, 1998

They claim a speed improvement of 5x in the JDK 1.1.2 VM for AIX, for
whatever that signifies for other implementations.
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Bruce Cohen,                               |  email: cohenb at gemstone.com
GemStone Systems, Inc.                     |  phone: (503)533-3602
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