More performance explorations

[Charles Oliver Nutter]

Ok, I'll reinvestigate; I thought I had logged that it was compiling
but perhaps that wasn't with the new property...

On Wed, Jun 1, 2011 at 3:37 PM, Tom Rodriguez <tom.rodriguez at oracle.com> wrote:
> I'm seeing slow perf as well but I think it might be a jruby/292 mismatch problem:
>
> Exception <a 'java/lang/NoSuchMethodError'>: java.lang.invoke.MethodHandles.convertArguments(Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodT\
> ype;)Ljava/lang/invoke/MethodHandle; (0xefdd4b18 )
> thrown [/net/smite.us.oracle.com/export/ws/bim/src/share/vm/interpreter/linkResolver.cpp, line 354]
> for thread 0x0807c800
> Exception <a 'java/lang/NoSuchMethodError'> (0xefdd4b18)
>  thrown in interpreter method <{method} '<clinit>' '()V' in 'org/jruby/runtime/invokedynamic/InvokeDynamicSupport'>
>  at bci 2876 for thread 0x0807c800
> Exception <a 'java/lang/NoSuchMethodError'> (0xefdd4b18 )
>
> which results in this:
>
> Exception <a 'java/lang/NoSuchMethodError'> (0xefdd4b18)
>  thrown in interpreter method <{method} 'tryCompile' '(Lorg/jruby/ast/Node;Ljava/lang/String;Lorg/jruby/util/JRubyClassLoader;Lorg>
>  at bci 56 for thread 0x0807c800
> Exception <a 'java/lang/NoClassDefFoundError'>: Could not initialize class org.jruby.compiler.impl.StandardASMCompiler (0xefe4c818 )
> thrown [/net/smite.us.oracle.com/export/ws/bim/src/share/vm/oops/instanceKlass.cpp, line 440]
> for thread 0x0807c800
> Exception <a 'java/lang/NoClassDefFoundError'> (0xefe4c818)
>  thrown in interpreter method <{method} '<init>' '(Ljava/lang/String;Ljava/lang/String;Lorg/jruby/Ruby;Lorg/jruby/internal/runtime>
>  at bci 126 for thread 0x0807c800
> Exception <a 'java/lang/NoClassDefFoundError'> (0xefe4c818)
>  thrown in interpreter method <{method} 'jitThresholdReached' '(Lorg/jruby/internal/runtime/methods/DefaultMethod;Lorg/jruby/RubyI>
>  at bci 220 for thread 0x0807c800
>
> So I think the jruby compiler never triggers with the new meth.jar.
>
> tom
>
> On May 31, 2011, at 12:03 PM, John Rose wrote:
>
>> On May 31, 2011, at 9:36 AM, Charles Oliver Nutter wrote:
>>
>>> If you mean java.lang.invoke.GWT_FORCE_RICOCHET_FRAMES=true, then I
>>> have more bad news...it's even slower :(
>>
>> Is that with meth-bim.patch applied?  That is Tom's first cut at an optimization for RFs.
>>
>> -- John
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