user     system      total        real
while true, break after 10m               0.758000   0.000000   0.758000 (  0.757350)
while true in block, break after 10m      0.768000   0.000000   0.768000 (  0.767404)
loop do, break after 10m                  1.664000   0.000000   1.664000 (  1.664393)
while true, break after 10m               0.719000   0.000000   0.719000 (  0.719211)
while true in block, break after 10m      0.736000   0.000000   0.736000 (  0.735621)
loop do, break after 10m                  1.477000   0.000000   1.477000 (  1.476771)
while true, break after 10m               0.590000   0.000000   0.590000 (  0.590328)
while true in block, break after 10m      0.687000   0.000000   0.687000 (  0.687649)
loop do, break after 10m                  1.503000   0.000000   1.503000 (  1.502888)
while true, break after 10m               0.596000   0.000000   0.596000 (  0.595766)
while true in block, break after 10m      0.729000   0.000000   0.729000 (  0.728869)
loop do, break after 10m                  1.495000   0.000000   1.495000 (  1.494768)
while true, break after 10m               0.594000   0.000000   0.594000 (  0.594407)
while true in block, break after 10m      0.713000   0.000000   0.713000 (  0.712664)
loop do, break after 10m                  1.510000   0.000000   1.510000 (  1.510916)
[headius @ cnutter:~/projects/jruby]
◆ ruby1.9 bench/bench_loop_versus_while.rb
                                              user     system      total        real
while true, break after 10m               0.540000   0.000000   0.540000 (  0.551223)
while true in block, break after 10m      0.560000   0.010000   0.570000 (  0.581331)
loop do, break after 10m                  1.460000   0.010000   1.470000 (  1.500808)
while true, break after 10m               0.540000   0.000000   0.540000 (  0.554685)
while true in block, break after 10m      0.560000   0.000000   0.560000 (  0.559320)
loop do, break after 10m                  1.460000   0.010000   1.470000 (  1.497790)
while true, break after 10m               0.540000   0.000000   0.540000 (  0.555151)
while true in block, break after 10m      0.570000   0.000000   0.570000 (  0.585818)
loop do, break after 10m                  1.460000   0.010000   1.470000 (  1.504402)
while true, break after 10m               0.530000   0.010000   0.540000 (  0.555565)
while true in block, break after 10m      0.570000   0.000000   0.570000 (  0.583680)
loop do, break after 10m                  1.470000   0.010000   1.480000 (  1.517668)
while true, break after 10m               0.540000   0.000000   0.540000 (  0.555784)
while true in block, break after 10m      0.560000   0.010000   0.570000 (  0.582749)
loop do, break after 10m                  1.470000   0.010000   1.480000 (  1.502284)