Any known changes in Graal around sin/sqrt/exp?
eregontp at gmail.com
Tue Sep 4 20:32:05 UTC 2018
I would guess it's due to https://github.com/oracle/graal/issues/652
On Sun, Sep 2, 2018 at 11:54 PM, Stefan Marr <java at stefan-marr.de> wrote:
> After updating to >1.0.0-rc5 from previously 0.33, I have a benchmark that now takes more than 4 times as much execution time on Graal core.
> Before investigating this further, I wanted to ask whether there are any recent changes around the handling of math functions such as sin, sqrt, and exp.
> A look at IGV seems to indicate that either something didn’t get recognized as a constant or some branches can’t be eliminated (or got added).
> I put some IGV screenshots here: https://gist.github.com/smarr/5369b4fa9685b1886fd5402ce9d2e0f2
> Any idea whether something that could be related to this was changed?
> Thank you
> Stefan Marr
> School of Computing, University of Kent
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