GWT fast vs slow path
Rémi Forax
forax at univ-mlv.fr
Thu Aug 11 15:10:35 PDT 2011
On 08/11/2011 11:39 PM, Mark Roos wrote:
> I was wondering what the expected differences are in the usage of
> these two paths. The names imply something
> but I find it confusing.
>
> In my use case ( in line cache) one of the paths is directly into a
> method handle to invoke and the other goes to
> either another GWT or the lookup. Both should be fast up to the
> lookup which could be slower. I would also like to
> see the optimizer reduce chains of GWTs or at least reorder them.
>
> So is there a difference I should be aware of? Right now I put the
> chain of GWTs into the slow path.
There is no predefined slow path/fast path in GWT,
target path and the fallback path are both fast/slow,
only the usage, the number of time one path is taken
is/will be used by the JIT in order to drive the optimization.
About reordering the chain of GWT, what do you want exactly ?
>
> thanks
>
> mark
cheers,
Rémi
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.openjdk.java.net/pipermail/mlvm-dev/attachments/20110812/e9c7e1f6/attachment.html
More information about the mlvm-dev
mailing list