binary-trees First, here are half-a-dozen naive un-optimised single-thread #8 programs transliterated line-by-line literal style into different programming languages from the same original — source secs mem gz Java #8 6.50 1,651,225 596 Node.js #8 19.97 952,320 521 C gcc #8 20.77 293,605 607 Ruby #8 134.37 487,592 494 PHP #8 146.65 773,100 590 Python 3 #8 9 min 821,871 543 Here are the crowd sourced programs — × source secs mem gz cpu secs 1.0 C++g++ #7 1.01 175,108 896 3.44 1.1 Rust #5 1.07 139,121 771 3.72 1.2 C++ g++ #5 1.17 208,171 891 4.11 1.2 Rust #2 1.17 140,157 729 4.12 1.4 Rust #4 1.38 202,686 765 4.95 1.4 Rust #3 1.40 172,392 762 5.05 1.5 C gcc #2 1.56 174,780 816 4.24 1.7 C++ g++ #9 1.76 140,571 815 4.65 1.9 C++ g++ #6 1.93 273,973 851 4.77 1.9 C gcc #3 1.96 138,711 842 4.72 2.0 Chapel #5 2.06 1,825,448 646 7.21 2.1 Rust 2.10 137,417 760 7.44 2.1 Haskell GHC #4 2.11 227,762 807 5.23 2.1 Free Pascal #5 2.12 136,892 959 5.04 2.1 Free Pascal #6 2.12 136,897 967 5.05 2.2 Free Pascal #7 2.17 136,897 1010 5.15 2.2 C++ g++ #4 2.22 273,977 826 5.23 2.2 Intel Fortran #2 2.24 148,124 1155 6.93 2.3 C++ g++ #3 2.28 273,715 951 5.06 2.5 Haskell GHC #7 2.49 253,440 817 6.28 2.7 C++ g++ 2.69 1,896,727 760 9.42 2.8 Lisp SBCL #3 2.83 641,151 938 7.18 3.5 OCaml #2 3.55 868,213 759 10.48 3.8 Haskell GHC #6 3.81 246,522 601 7.43 3.9 Java naot #7 3.90 338,911 841 7.25 4.1 Ada 2012 GNAT #4 4.16 210,969 2117 12.10 4.8 Java naot #3 4.85 290,574 546 4.85 5.0 Erlang #2 5.08 500,834 485 13.56 5.1 Java naot #6 5.12 299,389 535 5.11 5.1 Java naot #2 5.15 299,610 558 5.15 5.5 Java naot #4 5.54 305,373 846 5.53 6.2 C# naot #2 6.22 1,018,946 717 17.10 6.2 C# naot #7 6.22 1,115,476 706 16.92 6.7 C# naot #3 6.71 2,829,128 688 17.67 6.8 C# naot 6.80 2,819,092 668 18.71 7.2 Haskell GHC #3 7.28 611,250 544 15.90 7.2 Chapel #4 7.29 495,673 489 26.57 7.3 Julia #3 7.34 569,876 640 19.99 7.3 Haskell GHC #5 7.34 678,425 567 15.58 7.7 Java naot #8 7.74 291,344 596 7.73 7.7 OCaml #5 7.78 228,925 468 7.78 8.5 Node.js #6 8.54 1,278,456 752 30.84 8.6 Chapel #3 8.61 314,032 494 25.96 8.6 C gcc #5 8.71 361,587 914 31.96 8.9 Node.js 8.95 1,401,799 717 33.65 8.9 F# #7 8.98 1,127,907 527 22.38 9.1 Racket #2 9.20 385,794 422 9.15 9.5 Lisp SBCL 9.60 665,092 595 9.58 10 Dart aot #7 10.56 679,973 869 23.61 11 Dart aot #4 10.80 592,011 1394 23.45 11 Erlang 10.97 501,953 426 11.13 11 Ada 2012 GNAT #3 11.26 545,702 1275 37.28 12 Dart aot #6 11.68 456,942 488 15.74 12 Haskell GHC #2 12.35 276,058 498 14.18 12 Dart aot #5 12.49 487,326 1023 28.35 13 Julia #2 12.60 552,776 430 13.64 13 Haskell GHC 12.77 588,079 500 14.56 14 Dart aot #8 14.04 446,566 536 18.35 14 Go #2 14.21 635,613 672 56.53 14 F# 14.36 938,693 517 14.94 14 Julia #4 14.42 551,617 378 15.79 15 Go #5 14.68 386,056 957 58.09 15 Go #3 14.90 329,499 806 57.98 15 Racket 15.19 608,461 482 15.13 16 Node.js #7 15.99 1,076,969 458 28.03 17 C# naot #8 16.82 834,404 601 16.87 18 Swift #4 17.69 733,131 772 56.13 18 Swift #3 18.24 733,000 868 58.81 18 Swift 18.32 763,609 720 54.25 18 Swift #2 18.36 733,131 822 58.54 19 Ruby #5 18.86 2,280,051 1016 53.80 19 Swift #5 18.99 764,781 813 56.56 20 Node.js #8 19.97 952,320 521 33.26 21 Dart aot #3 20.69 1,333,236 1219 52.15 21 C gcc #8 20.77 293,605 607 20.76 21 C gcc 21.21 272,065 660 21.21 22 Julia #5 22.15 1,392,615 396 61.76 22 PHP #7 22.24 1,316,532 767 81.13 23 C++ g++ #2 22.77 274,080 514 22.76 23 Ada 2012 GNAT 23.45 275,038 896 23.44 25 PHP #4 24.74 1,280,827 786 81.41 28 Go #6 27.93 416,195 618 29.26 32 Go 32.05 243,114 488 59.77 32 Go #7 32.57 241,345 531 61.36 33 Intel Fortran 32.74 540,066 780 32.73 33 Python 3 #4 33.37 460,771 481 121.26 35 Python 3 34.85 445,649 597 122.94 35 Pharo Smalltalk 35.22 399,409 673 35.41 35 Python 3 #5 35.37 806,117 669 125.53 38 PHP #6 38.32 2,379,801 877 130.85 39 Perl #6 39.22 782,742 800 144.71 47 PHP #5 47.09 1,745,932 1048 124.38 47 Ruby #4 47.09 489,144 371 47.03 48 Ruby #2 48.03 487,801 385 47.96 48 Ruby 48.14 487,592 383 48.08 48 Lua #4 48.21 2,606,240 670 178.54 49 Ruby #3 49.67 523,936 407 49.60 50 Perl #5 50.17 1,078,489 805 185.46 52 Python 3 #3 51.88 819,077 1247 148.88 55 Swift #8 54.91 416,625 567 54.89 69 PHP #3 69.00 948,552 434 68.95 77 Perl #4 77.36 2,587,648 769 281.04 82 Lua #3 82.77 1,783,443 690 166.61 90 PHP 90.45 771,105 457 90.40 93 PHP #2 93.90 771,146 429 93.85 100 Python 3 #2 100.49 281,829 344 100.42 109 Perl #3 110.03 2,260,713 655 6 min 133 Ruby #8 134.37 487,592 494 134.29 141 Lua #2 141.62 982,589 418 141.56 146 PHP #8 146.65 773,100 590 146.59 257 Perl 258.70 617,132 401 258.64 552 Python 3 #8 9 min 821,871 543 9 min C# naot #6 Empty Swift #9 Empty * possible hand-written vector instructions or "unsafe" × source secs mem gz cpu secs 4.8 * Racket #4 4.81 471,519 861 9.30 6.2 * Racket #3 6.22 278,237 480 6.16 by secs by mem by gz by cpu secs