[concurrency-interest] ConcurrentSkipListMap performance

Ismael Juma mlists at juma.me.uk
Tue Oct 25 13:37:57 EDT 2011


On Mon, Oct 24, 2011 at 9:20 PM, Nathan Reynolds <nathan.reynolds at oracle.com
> wrote:

> JVM warm-up can be tricky.  For example, HotSpot with the -server option
> has 2 optimization passes.  The first pass happens at 1,000 invocations or
> iterations of a loop.  The second pass happens at 10,000 (default)
> invocations or iterations of a loop.
>

That sounds like TieredCompilation, which is not enabled by default with
-server as far as I know.

Best,
Ismael
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