OK, interesting. Your interpretation seems right; that getting the MH
is a big part of the expense of the LDC approach. Caching simulates
using Constant_MethodHandle_info, so that's a fair comparision. It's
not clear whether there's a performance difference getting the MH via
lookup (as your
On 11/23/2019 10:40 PM, Brian Goetz wrote:
Finally, we can benchmark the current approach against the LDC
approach on a per-Method basis. The LDC approach may well be doing
more work per Method, so it's a tradeoff to determine whether
deferring that work is a win.
By this last bit, I mea
Finally, we can benchmark the current approach against the LDC
approach on a per-Method basis. The LDC approach may well be doing
more work per Method, so it's a tradeoff to determine whether
deferring that work is a win.
By this last bit, I mean JMH'ing:
Method m1() {
return
I just finished the first prototype, which can be found at
https://gist.github.com/DasBrain/7766bedfbc8b76ba6a0ee66a54ba97ed - it
contains a patch, the javap output of a generated proxy class with and
without that patch, and the code I used to dump the proxy class. "make
run-test-tier1" pass
On 11/23/2019 6:09 PM, Brian Goetz wrote:
Thanks for the examples.
A few comments:
- A reasonable place to consider putting the bootstrap is in Proxy
itself. I am not sure that ConstantBootstraps is the right place (or
anywhere in JLI for that matter) unless Method is retrofitted to
imple
Thanks for the examples.
A few comments:
- A reasonable place to consider putting the bootstrap is in Proxy itself. I
am not sure that ConstantBootstraps is the right place (or anywhere in JLI for
that matter) unless Method is retrofitted to implement Constable, which is
problematic given
On 11/22/19 2:05 PM, Johannes Kuhn wrote:
On 22.11.2019 22:41, Remi Forax wrote:
i wonder if some codes in the wild rely on that ?
I don't think some code does, but you never know.
There is perhaps a better way, as part of the branch nestmates of
valhalla, Mandy has added a way to transfer
On 22.11.2019 22:41, Remi Forax wrote:
i wonder if some codes in the wild rely on that ?
I don't think some code does, but you never know.
There is perhaps a better way, as part of the branch nestmates of valhalla,
Mandy has added a way to transfer a live object to a Class when defining it,
w
Last mail got converted from HTML into plaintext, which dropped some
significant whit espace. So, again, doing it by hand this time.
On 22.11.2019 20:52, Brian Goetz wrote:
> For those that are not intimately familiar with the mechanics of
proxy class generation, it would be great to flesh this
- Mail original -
> De: "Johannes Kuhn"
> À: "core-libs-dev"
> Envoyé: Vendredi 22 Novembre 2019 04:23:31
> Objet: Looking for Sponsor: JDK-8229959 Convert proxy class to use constant
> dynamic
> Hi everyone,
Hi Johannes,
>
> a few hours ago I signed the Oracle Contributor Agreement.
On 22.11.2019 20:52, Brian Goetz wrote:
For those that are not intimately familiar with the mechanics of proxy
class generation, it would be great to flesh this out with a code
example, that shows the proposed old and new translation. This would
make it easier for folks to evaluate the benefits
For those that are not intimately familiar with the mechanics of proxy
class generation, it would be great to flesh this out with a code
example, that shows the proposed old and new translation. This would
make it easier for folks to evaluate the benefits and costs of the
approach, and possibly
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