Benchmarks normalized to Chicken. See also about the benchmarks.
| fastest | Bigloo | Chicken | Gambit | Guile | Ikarus | Larceny | MIT | PLT | Petite | Scheme48 | To plots | |
| conform | 130 ms | 0.25 | 1 | 0.45 | 10.21 | 0.46 | 0.55 | 0.53 | 1.60 | 5.09 | 19.82 | |
| cpstack | 188 ms | - | 1 | 0.55 | 12.59 | 0.48 | 0.43 | 3.91 | 0.76 | 8.86 | 14.41 | |
| ctak | 75 ms | 55.60 | 1 | 1.24 | - | 1 | 2.04 | 226.70 | 30.05 | 1.68 | 18.66 | |
| dderiv | 129 ms | 0.23 | 1 | 0.09 | 1.79 | 0.08 | 0.11 | 0.14 | 0.27 | 0.42 | 2.68 | |
| deriv | 111 ms | 0.20 | 1 | 0.07 | 1.45 | 0.06 | 0.09 | 0.09 | 0.27 | 0.43 | 2.37 | |
| destruct | 143 ms | 0.90 | 1 | 0.30 | 6.55 | 0.24 | 0.28 | 0.19 | 0.38 | 4.99 | 11.28 | |
| div | 213 ms | 1.43 | 1 | 0.47 | 10.14 | 0.45 | 0.44 | 2.42 | 0.67 | 3.93 | 14.56 | |
| dynamic | 719 ms | 0.28 | 1 | 0.60 | 1.12 | 0.24 | 0.21 | 0.29 | 0.43 | 0.59 | 6.51 | |
| dynamic2 | 671 ms | 0.55 | 1 | 1.15 | 2.23 | 0.44 | 0.37 | 0.52 | 0.52 | 1.14 | 12.09 | |
| earley | 140 ms | 0.25 | 1 | 0.16 | 1.31 | 0.14 | 0.15 | 0.08 | 0.17 | 1.71 | 2.82 | |
| fft | 1018 ms | 1.07 | 1 | 0.46 | 5.26 | 0.55 | 0.59 | 0.66 | 0.59 | 3.33 | 8.10 | |
| graphs | 260 ms | 0.92 | 1 | 0.60 | 11.60 | 0.42 | 0.72 | 1.23 | 0.68 | 16.20 | 18.33 | |
| kanren | 1141 ms | - | 1 | - | 4.84 | 0.39 | 0.68 | - | 0.66 | 2.18 | 5.10 | |
| lattice | 1000 ms | 0.23 | 1 | 0.47 | 12.72 | 0.24 | 0.33 | 0.45 | 0.71 | 7.92 | 34.79 | |
| lattice2 | 1051 ms | 0.26 | 1 | 0.48 | 12.90 | 0.25 | 0.32 | 0.46 | 0.73 | 7.94 | 35.24 | |
| maze | 250 ms | 0.38 | 1 | 0.41 | 8.53 | 0.39 | 0.92 | 0.57 | 0.97 | 5.59 | 11.40 | |
| maze2 | 241 ms | 0.37 | 1 | 0.40 | 8.87 | 0.37 | 0.88 | 0.52 | 0.34 | 5.71 | 11.52 | |
| mazefun | 356 ms | 0.63 | 1 | 0.31 | 5.53 | 0.24 | 0.30 | 0.36 | 0.39 | 3.70 | 11.26 | |
| nboyer | 1583 ms | 0.30 | 1 | 0.33 | 2.92 | 0.19 | 0.20 | 0.14 | 0.33 | 1.65 | 4.64 | |
| nestedloop | 354 ms | 0.51 | 1 | 0.26 | 5.75 | 0.28 | 0.47 | 0.32 | 0.22 | 5.24 | 13.44 | |
| nfa | 220 ms | - | - | - | - | - | - | - | - | - | - | |
| nqueens | 211 ms | 0.70 | 1 | 0.40 | 6.63 | 0.29 | 0.36 | 0.47 | 0.45 | 4.85 | 13.84 | |
| nucleic2 | 1325 ms | 2.14 | 1 | - | 6.20 | 0.75 | 0.70 | - | 0.65 | 3.21 | 12.70 | |
| paraffins | 73 ms | 0.41 | 1 | 0.10 | 1.17 | 0.09 | 0.15 | 0.06 | 0.16 | 0.70 | 1.73 | |
| peval | 177 ms | - | - | - | - | - | - | - | - | - | - | |
| psyntax | 93 ms | 0.15 | 1 | - | 4.70 | 0.36 | 1.95 | - | 1.04 | 2.78 | 5.90 | |
| puzzle | 132 ms | 0.31 | 1 | 0.27 | 4.82 | 0.43 | 0.38 | - | 0.37 | 4.21 | 10.39 | |
| sboyer | 3415 ms | 0.23 | 1 | 0.25 | 6.60 | 0.20 | 0.24 | 0.42 | 0.35 | 3.94 | 10.44 | |
| scheme | 137 ms | 0.43 | 1 | 0.62 | 7.27 | 0.40 | 0.41 | 0.71 | 1.01 | 3.99 | 14.36 | |
| scheme2 | 138 ms | - | - | - | - | - | - | - | - | - | - | |
| sort1 | 471 ms | 0.51 | 1 | 0.81 | 4.80 | 0.25 | - | 0.72 | 0.52 | 2.66 | 6.63 | |
| tak | 110 ms | 0.12 | 1 | 0.28 | 6.07 | 0.24 | 0.34 | 0.32 | 0.39 | 3.10 | 9.58 | |
| takl | 150 ms | - | - | - | - | - | - | - | - | - | - | |
| takr | 130 ms | 0.09 | 1 | 0.61 | 4.15 | - | 0.36 | 0.31 | 0.98 | 2.08 | 6.09 | |
| takr2 | 214 ms | - | - | - | - | - | - | - | - | - | - | |
| triangle | 451 ms | - | - | - | - | - | - | - | - | - | - |