Hello everyone!
I have added a few new items to JRuby relating to invokedynamic. Let's
dive in, shall we?
1. invokedynamic-based dispatch for literal binary operators with RHS
a literal fixnum or float
This is actually on by default because it didn't seem to hurt perf
(much?) on JDK7, and it sho
On Aug 10, 2011, at 9:28 PM, Tom Rodriguez wrote:
>
> On Aug 9, 2011, at 4:33 AM, Christian Thalinger wrote:
>
>>
>> On Aug 8, 2011, at 8:49 PM, Tom Rodriguez wrote:
>>
>>> dependencies.cpp:
>>>
>>> in check_call_site_target_value, the changes == NULL case should be
>>> checking that the ca
On Aug 9, 2011, at 4:33 AM, Christian Thalinger wrote:
>
> On Aug 8, 2011, at 8:49 PM, Tom Rodriguez wrote:
>
>> dependencies.cpp:
>>
>> in check_call_site_target_value, the changes == NULL case should be checking
>> that the call site hasn't changed. It should probably look more like this:
>> I guess my concern is that the original (long) version may or may not
>> inline, but obviously doesn't degrade as badly. Why does the degraded
>> performance of the long form suffer so much? Ruby is a very terse
>> language, often resulting in methods that represent a lot of code. I'm
>> using i
On Jul 28, 2011, at 7:29 PM, Ola Bini wrote:
> On 2011-07-28 10.11, Christian Thalinger wrote:
>>
>> On Jul 28, 2011, at 6:10 PM, Ola Bini wrote:
>>
The bad performance sounds like something is not inlined at all.
How are you invoking valueMH? Via invokedynamic or a direct MH
ca
On Aug 10, 2011, at 6:21 PM, Charles Oliver Nutter wrote:
> On Wed, Aug 10, 2011 at 9:26 AM, Christian Thalinger
> wrote:
>> Here are the numbers for JDK 7 b147, 7071307+7071653, and
>> 7071307+7071653+7071709:
>>
>> 7071307: MethodHandle bimorphic inlining should consider the frequency
>> 707
On Wed, Aug 10, 2011 at 11:21 AM, Charles Oliver Nutter
wrote:
> I guess my concern is that the original (long) version may or may not
> inline, but obviously doesn't degrade as badly. Why does the degraded
> performance of the long form suffer so much? Ruby is a very terse
> language, often resul
On Wed, Aug 10, 2011 at 9:26 AM, Christian Thalinger
wrote:
> Here are the numbers for JDK 7 b147, 7071307+7071653, and
> 7071307+7071653+7071709:
>
> 7071307: MethodHandle bimorphic inlining should consider the frequency
> 7071653: JSR 292: call site change notification should be pushed not pull
On Aug 8, 2011, at 8:21 PM, Christian Thalinger wrote:
>
> On Aug 8, 2011, at 6:39 PM, Charles Oliver Nutter wrote:
>
>> On Mon, Aug 8, 2011 at 9:51 AM, Christian Thalinger
>> wrote:
>>> Since I have the basic push-notification of CallSites I'm now looking into
>>> push-notification of Switch
