I see that ViewVC link seems to have problems showing the diff at the moment, here are elapsed seconds (without invokedynamic and with invokedynamic)
jruby 1.7.0 (1.9.3p203) 2012-10-22 ff1ebbe on Java HotSpot(TM) Server VM 1.7.0_09-b05 [linux-i386]
invoke-dynamic= false true
binarytrees #1 290.08 252.55
binarytrees #2 290.34 252.92
binarytreesredux #2 289.64 262.04
chameneosredux 31 39.85 32.73
fannkuchredux #2 1720.70 1481.23
fasta #6 372.59 418.07
fasta #5 294.54 270.02
fasta #1 278.98 260.14
knucleotide #2 428.75 377.28
knucleotide #1 470.40 461.46
mandelbrot #3 1404.58 1149.08
mandelbrot #1 2301.81 2167.50
meteor #1 17.59 17.42
meteor #2 13.19 13.37
nbody #1 678.62 568.72
pidigits #2 3.10 3.22
pidigits #3 25.89 25.73
pidigits #1 50.80 51.03
regexdna #1 78.76 78.60
regexdna #3 44.29 45.33
revcomp #2 24.05 24.49
spectralnorm #2 462.09 387.54
spectralnorm #1 496.94 438.55
YMMV
