Projects, which use JSR292

[Christian Thalinger]

On Feb 18, 2011, at 1:33 PM, Charles Oliver Nutter wrote:
> FYI, my "patches/hotspot" dir is at revision 6eddc7cbeba6

I'm using hotspot-comp/hotspot/  -- Christian

> 
> - Charlie
> 
> On Fri, Feb 18, 2011 at 6:28 AM, Charles Oliver Nutter
> <headius at headius.com> wrote:
>> On Fri, Feb 18, 2011 at 6:17 AM, Christian Thalinger
>> <christian.thalinger at oracle.com> wrote:
>>> Is there a switch to turn direct ruby-to-ruby calls on and off?  I'd like to compare inlining trees and maybe code output.
>> 
>> Just pushed a couple for you in a4a0802:
>> 
>> jruby.compile.invokedynamic.rubyDirect=true|false (Ruby targets
>> directly bind; defaults to true)
>> jruby.compile.invokedynamic.nativeDirect=true|false (Native (Java)
>> targets directly bind; defaults to true)
>> 
>> Not to put any pressure on, but I had hoped to see this
>> directly-binding Ruby calls would *improve* perf :) With this in
>> place, the only thing dynopt does that my indy logic doesn't do is
>> dispatch literal fixnums directly through as long values (rather than
>> as RubyFixnum objects...and yes, this is only in place for literals).
>> Ideally, I'd expect optimized invokedynamic to perform as well as
>> dynopt in this situation.
>> 
>> Here's output with all four permutations:
>> 
>> ~/projects/jruby ➔
>> JAVA_HOME=../mlvm/sources/build/bsd-i586/j2sdk-image/ jruby --server
>> -X+C -Xcompile.invokedynamic=true -J-XX:+UnlockExperimentalVMOptions
>> -J-XX:+EnableInvokeDynamic -J-XX:+UnlockDiagnosticVMOptions
>> -J-XX:MaxInlineSize=150 -J-XX:InlineSmallCode=5000
>> bench/bench_fib_recursive.rb 5
>> 832040
>>  1.037000   0.000000   1.037000 (  0.882000)
>> 832040
>>  0.479000   0.000000   0.479000 (  0.479000)
>> 832040
>>  0.474000   0.000000   0.474000 (  0.474000)
>> 832040
>>  0.458000   0.000000   0.458000 (  0.458000)
>> 832040
>>  0.461000   0.000000   0.461000 (  0.461000)
>> 
>> ~/projects/jruby ➔
>> JAVA_HOME=../mlvm/sources/build/bsd-i586/j2sdk-image/ jruby --server
>> -X+C -Xcompile.invokedynamic=true -J-XX:+UnlockExperimentalVMOptions
>> -J-XX:+EnableInvokeDynamic -J-XX:+UnlockDiagnosticVMOptions
>> -J-XX:MaxInlineSize=150 -J-XX:InlineSmallCode=5000
>> -Xcompile.invokedynamic.rubyDirect=false bench/bench_fib_recursive.rb
>> 5
>> 832040
>>  0.363000   0.000000   0.363000 (  0.297000)
>> 832040
>>  0.160000   0.000000   0.160000 (  0.160000)
>> 832040
>>  0.156000   0.000000   0.156000 (  0.156000)
>> 832040
>>  0.155000   0.000000   0.155000 (  0.155000)
>> 832040
>>  0.162000   0.000000   0.162000 (  0.162000)
>> 
>> ~/projects/jruby ➔
>> JAVA_HOME=../mlvm/sources/build/bsd-i586/j2sdk-image/ jruby --server
>> -X+C -Xcompile.invokedynamic=true -J-XX:+UnlockExperimentalVMOptions
>> -J-XX:+EnableInvokeDynamic -J-XX:+UnlockDiagnosticVMOptions
>> -J-XX:MaxInlineSize=150 -J-XX:InlineSmallCode=5000
>> -Xcompile.invokedynamic.nativeDirect=false
>> bench/bench_fib_recursive.rb 5
>> 832040
>>  1.420000   0.000000   1.420000 (  1.345000)
>> 832040
>>  1.030000   0.000000   1.030000 (  1.030000)
>> 832040
>>  1.012000   0.000000   1.012000 (  1.012000)
>> 832040
>>  1.023000   0.000000   1.023000 (  1.023000)
>> 832040
>>  1.010000   0.000000   1.010000 (  1.011000)
>> 
>> ~/projects/jruby ➔
>> JAVA_HOME=../mlvm/sources/build/bsd-i586/j2sdk-image/ jruby --server
>> -X+C -Xcompile.invokedynamic=true -J-XX:+UnlockExperimentalVMOptions
>> -J-XX:+EnableInvokeDynamic -J-XX:+UnlockDiagnosticVMOptions
>> -J-XX:MaxInlineSize=150 -J-XX:InlineSmallCode=5000
>> -Xcompile.invokedynamic.rubyDirect=false
>> -Xcompile.invokedynamic.nativeDirect=false
>> bench/bench_fib_recursive.rb 5
>> 832040
>>  0.380000   0.000000   0.380000 (  0.297000)
>> 832040
>>  0.167000   0.000000   0.167000 (  0.167000)
>> 832040
>>  0.157000   0.000000   0.157000 (  0.157000)
>> 832040
>>  0.156000   0.000000   0.156000 (  0.156000)
>> 832040
>>  0.164000   0.000000   0.164000 (  0.164000)
>> 
>> - Charlie
>> 
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