FYI, my "patches/hotspot" dir is at revision 6eddc7cbeba6 - Charlie
On Fri, Feb 18, 2011 at 6:28 AM, Charles Oliver Nutter <head...@headius.com> wrote: > On Fri, Feb 18, 2011 at 6:17 AM, Christian Thalinger > <christian.thalin...@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 > _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev
