gistfile1

system ~/projects/jruby $ jruby -rbenchmark -e "def foo; a,b,c,d,e = 1,2,3,4,5; nil; end; 10.times{puts Benchmark.measure{10000000.times{foo;foo;foo;foo;foo}}}"
  1.050000   0.060000   1.110000 (  0.572000)
  0.590000   0.020000   0.610000 (  0.473000)
  0.700000   0.000000   0.700000 (  0.614000)
  0.630000   0.010000   0.640000 (  0.596000)
  0.580000   0.000000   0.580000 (  0.575000)
  0.580000   0.000000   0.580000 (  0.577000)
  0.550000   0.000000   0.550000 (  0.536000)
  0.550000   0.010000   0.560000 (  0.541000)
  0.630000   0.000000   0.630000 (  0.607000)
  0.620000   0.010000   0.630000 (  0.583000)

system ~/projects/jruby $ jruby -rbenchmark -e "def foo; a,b,c,d,e = 1,2,3,4,5; end; 10.times{puts Benchmark.measure{10000000.times{foo;foo;foo;foo;foo}}}"
  2.930000   0.080000   3.010000 (  2.430000)
  2.440000   0.010000   2.450000 (  2.271000)
  2.560000   0.010000   2.570000 (  2.389000)
  2.460000   0.020000   2.480000 (  2.357000)
  2.640000   0.010000   2.650000 (  2.428000)
  2.530000   0.010000   2.540000 (  2.479000)
  2.850000   0.010000   2.860000 (  2.639000)
  2.860000   0.010000   2.870000 (  2.717000)
  2.610000   0.010000   2.620000 (  2.472000)
  2.470000   0.010000   2.480000 (  2.416000)