Racket versus Node js fastest performance Always look at the source code. If the fastest programs are hand-written vector instructions, does the host language matter? You might be more interested in the less optimised programs — more seconds, less gz source code. fannkuch-redux source secs mem gz cpu secs Node js #5 11.08 81,124 1313 43.87 Racket #2 112.85 69,308 908 112.85 Racket #3 30.68 71,424 1101 116.70 Racket 140.73 69,084 649 140.73 n-body source secs mem gz cpu secs Node js #6 8.41 45,908 1268 9.39 Racket #2 14.11 69,380 1689 14.11 Racket 40.98 69,484 1496 40.98 spectral-norm source secs mem gz cpu secs Node js #7 5.36 46,704 414 5.37 Node js 5.44 47,212 319 5.45 Node js #6 1.66 88,700 999 6.10 Racket #3 3.83 66,808 627 14.73 Racket #2 15.00 67,848 532 14.99 Racket 29.49 67,340 446 29.49 mandelbrot source secs mem gz cpu secs Node js #3 4.03 118,432 1122 15.92 Node js #2 28.20 53,644 416 28.23 Racket #3 34.63 68,008 802 34.63 Racket #4 10.45 126,756 801 41.21 Racket 49.21 67,484 517 49.21 Racket #2 51.15 66,340 585 51.14 Node js 130.80 49,372 373 130.71 pidigits source secs mem gz cpu secs Racket #2 1.19 68,388 1136 1.19 Node js #4 1.26 49,328 481 1.28 Racket 12.45 71,504 453 12.45 Node js #2 12.95 78,356 397 12.97 Node js #3 13.09 78,112 424 13.11 regex-redux source secs mem gz cpu secs Node js #3 4.51 768,724 668 5.58 Node js #4 5.76 991,704 463 5.93 Racket 23.71 1,305,156 541 23.70 Racket #2 13.79 1,507,508 729 24.67 fasta source secs mem gz cpu secs Node js #5 2.20 94,408 2047 6.32 Racket #3 8.00 67,800 1280 8.00 Racket 19.20 67,316 1066 19.20 Node js 33.14 54,432 809 33.43 k-nucleotide source secs mem gz cpu secs Node js #3 15.72 416,500 1812 43.32 Racket #4 61.49 858,184 885 61.46 Node js #2 37.55 486,856 935 116.51 Node js 40.21 518,808 1008 117.96 Racket 198.95 2,674,436 547 196.69 reverse-complement source secs mem gz cpu secs Racket #2 8.88 892,920 1030 8.88 Node js #2 15.94 731,396 1221 16.58 Racket 40.81 2,041,148 553 40.81 Node js #7 Bad Output binary-trees source secs mem gz cpu secs Racket #3 6.47 317,704 473 6.47 Racket #2 9.22 318,236 416 9.22 Racket #4 4.86 481,644 853 9.34 Racket 15.89 526,568 476 15.89 Node js 6.37 1,295,776 711 19.51 Node js #6 8.22 1,257,276 744 24.87 Node js #7 33.78 1,135,992 451 38.12 Racket Racket v8.7 [cs]. Node js build 19.0.1+10-21 all Racket programs & measurements all Node js programs & measurements