JavaMemoryModel: Synchronization overhead in Spec JVM 98

From: Bill Pugh (
Date: Sat May 27 2000 - 18:52:32 EDT

Hans Boehm asked me for some more details about exactly which JVM I
used in my synchronization experiments.

I've attached an HTML file with some more details. This is also available at

None of the synchronization in Spec JVM is useful, so it can all be
removed. For these experiments, I removed all synchronization from


A separate web page

gives some information about the number of synchronization operations
in the benchmarks.


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