VW Smalltalk 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 VW Smalltalk 462.75 55,112 916 530.77 n-body source secs mem gz cpu secs Node js #6 8.41 45,908 1268 9.39 VW Smalltalk 113.02 55,444 1782 113.00 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 VW Smalltalk 49.48 55,336 642 49.48 VW Smalltalk #2 21.87 247,432 1047 62.48 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 VW Smalltalk 324.58 55,124 603 324.55 VW Smalltalk #2 102.40 190,452 929 353.48 pidigits source secs mem gz cpu secs Node js #4 1.26 49,328 481 1.28 VW Smalltalk #4 8.06 55,768 753 8.06 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 fasta source secs mem gz cpu secs Node js #5 2.20 94,408 2047 6.32 VW Smalltalk 29.07 55,220 1539 29.07 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 Node js #2 37.55 486,856 935 116.51 Node js 40.21 518,808 1008 117.96 VW Smalltalk #5 423.68 385,100 1317 423.42 VW Smalltalk 578.93 385,940 1110 578.89 reverse-complement source secs mem gz cpu secs Node js #2 15.94 731,396 1221 16.58 VW Smalltalk Bad Output Node js #7 Bad Output binary-trees source secs mem gz cpu secs 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 VW Smalltalk 38.58 375,420 711 38.57 VW Smalltalk #3 17.36 375,848 930 40.61 VW Smalltalk VisualWorks® 8.3 Aug 19 2017 Node js build 19.0.1+10-21 all VW Smalltalk programs & measurements all Node js programs & measurements