Erlang 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 Erlang 74.60 37,452 1038 292.72 n-body source secs mem gz cpu secs Node js #6 8.41 45,908 1268 9.39 Erlang #3 105.24 36,704 1399 105.29 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 Erlang #2 11.72 44,660 747 46.08 Erlang 62.36 48,128 507 62.43 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 Node js 130.80 49,372 373 130.71 Erlang #4 49.04 67,316 806 195.16 Erlang #3 49.80 68,004 792 198.32 Erlang #2 51.19 763,060 613 202.88 Erlang 53.73 1,645,744 534 208.74 pidigits source secs mem gz cpu secs Node js #4 1.26 49,328 481 1.28 Erlang #3 6.96 53,880 562 8.04 Erlang 7.79 70,480 559 8.54 Erlang #2 7.77 56,444 512 8.81 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 Erlang #6 22.15 4,805,940 1048 42.24 fasta source secs mem gz cpu secs Node js #5 2.20 94,408 2047 6.32 Erlang #2 19.67 36,724 1164 21.11 Node js 33.14 54,432 809 33.43 Erlang 46.95 36,732 1039 64.91 k-nucleotide source secs mem gz cpu secs Node js #3 15.72 416,500 1812 43.32 Node js #2 37.55 486,856 935 116.51 Node js 40.21 518,808 1008 117.96 Erlang #3 76.09 844,732 937 213.42 Erlang 80.84 6,288,336 936 217.90 reverse-complement source secs mem gz cpu secs Node js #2 15.94 731,396 1221 16.58 Erlang 24.66 3,150,476 1302 73.93 Erlang #4 107.81 2,009,304 1171 144.92 Erlang #3 165.14 6,530,100 630 167.54 Node js #7 Bad Output binary-trees source secs mem gz cpu secs Erlang 10.60 445,148 420 10.76 Erlang #2 4.61 459,720 478 13.63 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 Erlang Erlang/OTP 25 [erts-13.1.4] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [jit] Node js build 19.0.1+10-21 all Erlang programs & measurements all Node js programs & measurements