Huge Performance Regression introduced September 18th

[Stefan Marr]

Hi Gilles:

> On 19 Nov 2014, at 23:27, Gilles Duboscq <duboscq at ssw.jku.at> wrote:
> 
> I just commited a change that should solve your problem (it will come
> in the nightly push in a few hours).
> On my machine, the perf of your Mandelbrot example went up 10x so the
> regression seems to be fixed.

Thanks, will try to have a look.

For the moment, I went with an unsafe cast to also indicate that the field is never null, which seems to improve warmup a little on a variety of benchmarks. But since Chris mentioned that he might have seen a similar issue in JRuby, a fix in Graal is probably a good thing.

Thanks
Stefan



-- 
Stefan Marr
INRIA Lille - Nord Europe
http://stefan-marr.de/research/