The Computer Language
22.05 Benchmarks Game

Fastest cpu secs Python 3 versus C++ g++

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 cpu seconds, less gz source code.

fannkuch-redux
source mem gz cpu
C++ g++ #6 2,000 1528 12.93
C++ g++ #7 992 1150 13.89
C++ g++ #5 2,000 980 29.40
C++ g++ #4 2,216 1439 40.52
C++ g++ #3 988 593 40.55
C++ g++ #2 2,224 1440 42.64
C++ g++ 2,164 1059 42.76
Python 3 #6 7,432 385 1,279.15
Python 3 #4 45,420 950 1,336.72
n-body
source mem gz cpu
C++ g++ #0 964 1927 2.17
C++ g++ #2 1,944 1879 4.06
C++ g++ #7 1,976 1808 4.28
C++ g++ #9 1,260 1530 4.90
C++ g++ #6 1,300 1668 5.65
C++ g++ #4 1,040 1428 5.68
C++ g++ #3 1,280 1396 5.74
C++ g++ 1,260 1659 5.93
C++ g++ #8 1,220 1517 6.08
C++ g++ #5 1,944 1749 6.11
Python 3 7,756 1196 575.02
Python 3 #2 8,244 1242 592.71
spectral-norm
source mem gz cpu
C++ g++ #6 1,348 1044 2.85
C++ g++ #5 2,048 1044 5.26
C++ g++ 1,964 452 5.36
C++ g++ #8 1,348 1278 6.09
Python 3 #6 9,332 328 436.79
Python 3 #8 48,336 407 472.82
Python 3 #7 48,400 417 494.32
mandelbrot
source mem gz cpu
C++ g++ #4 34,720 3542 3.27
C++ g++ 32,336 1791 3.48
C++ g++ #6 31,792 1002 3.88
C++ g++ #0 34,712 2739 4.06
C++ g++ #8 34,448 742 13.19
C++ g++ #5 33,640 590 13.37
C++ g++ #9 34,428 726 13.48
C++ g++ #7 34,392 1017 13.92
C++ g++ #2 34,176 692 17.47
C++ g++ #3 1,976 414 28.53
Python 3 #7 46,192 688 706.10
Python 3 #5   Failed  
Python 3 #2   Timed Out  
pidigits
source mem gz cpu
C++ g++ #4 4,220 513 0.71
C++ g++ #5 4,284 798 0.72
Python 3 #3 11,968 567 1.13
Python 3 #4 8,668 342 4.06
Python 3 #2   Bad Output  
regex-redux
source mem gz cpu
C++ g++ #6 275,924 2850 2.20
Python 3 #2 111,680 1403 2.66
C++ g++ #4 203,888 1315 3.39
C++ g++ 207,788 656 3.57
C++ g++ #2 198,316 700 3.69
C++ g++ #5 214,888 852 4.28
Python 3 458,264 512 17.86
C++ g++ #3 217,248 853 18.28
fasta
source mem gz cpu
C++ g++ #8 2,720 2751 1.52
C++ g++ #2 2,004 1127 1.85
C++ g++ 2,000 1057 1.97
C++ g++ #3 1,964 1307 2.62
C++ g++ #4 1,016 1287 3.36
C++ g++ #5 4,540 2344 3.75
C++ g++ #6 4,564 2324 3.89
Python 3 #2 8,184 1121 60.26
Python 3 #3 8,112 1003 60.50
Python 3 8,040 817 70.54
Python 3 #5 837,684 1947 71.74
C++ g++ #7   Make Error  
k-nucleotide
source mem gz cpu
C++ g++ #2 156,416 1631 5.92
C++ g++ #3 165,588 1276 14.14
C++ g++ 756,320 1446 14.54
Python 3 #3 252,668 1967 172.53
Python 3 351,092 607 240.16
Python 3 #8 473,988 655 242.16
reverse-complement
source mem gz cpu
C++ g++ #2 499,708 2093 0.64
C++ g++ #3 500,008 840 2.62
C++ g++ #6 1,513,136 1832 4.00
C++ g++ 979,988 592 6.34
Python 3 #2 1,786,488 434 9.38
Python 3 1,979,276 479 9.63
Python 3 #6 1,005,184 814 10.64
Python 3 #4 4,001,684 335 12.31
C++ g++ #5 765,148 720 34.88
binary-trees
source mem gz cpu
C++ g++ #7 168,192 890 3.38
C++ g++ #5 200,020 885 4.10
C++ g++ #9 135,652 809 4.16
C++ g++ #3 265,220 945 4.65
C++ g++ #6 265,784 844 4.72
C++ g++ #8 265,808 820 5.05
C++ g++ 1,947,704 754 8.99
C++ g++ #2 265,180 508 22.61
Python 3 #2 270,872 338 148.09
Python 3 #5 273,284 660 172.44
Python 3 #4 456,220 472 176.37
Python 3 282,996 589 178.66
Python 3 #3 669,832 1238 230.73
C++ g++ #4   Make Error  
Python 3

Python 3.10.4

C++ g++

11.2.0-19ubuntu1