ArrayList loop regression ?

Rémi Forax forax at
Fri Mar 4 16:12:05 PST 2011

On 03/04/2011 10:16 AM, Ismael Juma wrote:
> Hi Remi,
> Rémi Forax<forax at ...>  writes:
>> A student sent me a micro-benchmark that shows a regression in the way
>> hotspot compiles indexed loop on linux x64.
> Since this looks like a performance regression, maybe it's worth filing a bug so
> that it doesn't get lost?
> Best,
> Ismael

what do you think about the answer of Tom.

I wonder if it can explain another bimodal behaviour seen by Josh Bloch:


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