RBX:
                                              user     system      total        real
near closure, 1m x10 a,a=a,a              1.790107   0.000000   1.790107 (  1.790125)
in closure, 1m x10 a,a=a,a                1.747599   0.000000   1.747599 (  1.747675)
near closure, 5 vars, 1m * x10 a,a=a,a    1.727949   0.000000   1.727949 (  1.728024)
in closure, 5 vars, 1m x10 a,a=a,a        1.752314   0.000000   1.752314 (  1.752388)
normal heapless, 1m x 100 a,a=a,a         1.760813   0.000000   1.760813 (  1.760881)

MRI:
                                              user     system      total        real
near closure, 1m x10 a,a=a,a              3.710000   0.020000   3.730000 (  3.775830)
in closure, 1m x10 a,a=a,a                3.740000   0.020000   3.760000 (  3.840655)
near closure, 5 vars, 1m * x10 a,a=a,a    3.710000   0.010000   3.720000 (  3.810220)
in closure, 5 vars, 1m x10 a,a=a,a        3.750000   0.020000   3.770000 (  3.851035)
normal heapless, 1m x 100 a,a=a,a         3.740000   0.020000   3.760000 (  3.845902)

1.9:
                                              user     system      total        real
near closure, 1m x10 a,a=a,a              1.480000   0.000000   1.480000 (  1.525566)
in closure, 1m x10 a,a=a,a                1.610000   0.020000   1.630000 (  1.653110)
near closure, 5 vars, 1m * x10 a,a=a,a    1.490000   0.000000   1.490000 (  1.517708)
in closure, 5 vars, 1m x10 a,a=a,a        1.630000   0.010000   1.640000 (  1.655155)
normal heapless, 1m x 100 a,a=a,a         1.490000   0.010000   1.500000 (  1.507794)