The Computer Language
24.04 Benchmarks Game

Julia versus C++ g++ 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
C++ g++ #6 3.25 19,788 1535 12.89
C++ g++ #7 13.93 19,660 1156 13.93
Julia #3 8.04 257,756 896 30.44
C++ g++ #5 7.97 19,788 987 31.14
Julia #2 8.40 261,236 1077 31.34
C++ g++ #3 36.80 19,660 600 36.80
C++ g++ #4 9.47 19,660 1445 37.11
C++ g++ #2 9.82 19,656 1446 38.58
Julia 38.89 240,772 441 38.98
C++ g++ 10.59 19,660 1065 41.61
n-body
source secs mem gz cpu secs
C++ g++ #0 2.14 19,676 1933 2.14
C++ g++ #7 3.97 19,804 1815 3.97
C++ g++ #2 4.20 19,676 1884 4.19
Julia #8 4.16 272,512 1129 4.25
C++ g++ #3 5.30 19,804 1402 5.30
C++ g++ #9 5.43 19,676 1536 5.43
C++ g++ #4 5.44 19,804 1434 5.44
Julia #4 5.74 252,032 1168 5.83
C++ g++ #5 6.01 19,676 1544 6.00
C++ g++ 6.49 19,676 1666 6.49
C++ g++ #8 6.57 19,676 1524 6.57
Julia #3 6.53 254,592 1548 6.62
C++ g++ #6 6.89 19,676 1674 6.89
Julia #2 23.73 301,100 1084 23.86
spectral-norm
source secs mem gz cpu secs
C++ g++ #6 0.72 19,812 1050 2.84
Julia #4 1.18 248,576 435 3.66
Julia #2 1.35 254,032 377 4.06
C++ g++ #5 1.32 19,684 1050 5.25
C++ g++ 5.36 19,684 459 5.36
C++ g++ #8 1.52 19,684 1284 6.04
mandelbrot
source secs mem gz cpu secs
C++ g++ 0.89 34,944 1797 3.46
C++ g++ #4 0.89 35,200 3554 3.47
C++ g++ #6 0.98 35,072 1014 3.89
Julia #7 1.40 290,176 629 4.79
Julia #8 1.42 289,152 634 4.87
Julia #3 1.50 315,904 589 5.20
Julia #4 1.97 297,984 583 5.22
Julia #5 1.58 310,400 580 5.59
Julia #6 2.09 290,228 571 5.69
C++ g++ #0 2.35 35,328 2752 9.28
C++ g++ #8 4.79 35,072 749 13.12
C++ g++ #5 13.33 34,688 596 13.33
C++ g++ #9 3.50 35,200 732 13.49
C++ g++ #7 3.49 35,072 1023 13.90
C++ g++ #2 16.90 34,560 700 16.90
Julia 26.45 271,104 379 26.53
C++ g++ #3 27.26 19,804 421 27.25
pidigits
source secs mem gz cpu secs
C++ g++ #5 0.86 19,804 804 0.86
C++ g++ #4 0.88 19,804 521 0.88
Julia #3 1.00 240,640 512 1.13
Julia #2 1.11 247,808 686 1.24
regex-redux
source secs mem gz cpu secs
C++ g++ #6 1.15 276,276 2856 2.18
Julia #5 1.74 443,844 766 3.05
Julia #4 1.80 448,796 772 3.12
C++ g++ #2 2.84 212,776 706 3.60
C++ g++ 3.62 212,180 662 3.62
Julia #3 2.26 528,768 630 3.77
Julia 3.86 488,864 414 4.05
C++ g++ #5 3.86 215,556 859 4.54
C++ g++ #3 12.41 217,580 859 17.91
C++ g++ #4   Make Error  
fasta
source secs mem gz cpu secs
Julia #8 1.10 245,760 1094 1.19
C++ g++ #8 0.76 19,792 2758 1.51
C++ g++ #2 1.81 19,668 1129 1.81
C++ g++ 1.90 19,664 1064 1.90
Julia #5 2.41 262,528 957 2.50
C++ g++ #3 2.62 19,664 1311 2.62
Julia #4 2.79 249,088 1053 2.88
C++ g++ #4 3.32 19,664 1291 3.32
C++ g++ #6 1.05 19,668 2326 3.85
C++ g++ #5 1.05 19,668 2345 3.88
Julia #7 1.80 439,584 1189 4.51
Julia #6 2.05 475,160 1213 4.78
Julia #3 11.04 247,412 901 11.13
C++ g++ #7   Make Error  
k-nucleotide
source secs mem gz cpu secs
C++ g++ #2 1.97 156,504 1634 5.87
Julia #8 5.74 441,148 965 13.70
C++ g++ #3 4.19 165,592 1280 13.77
C++ g++ 6.90 757,080 1452 14.68
Julia #7 8.71 430,084 1379 23.62
Julia 132.23 1,967,872 703 131.10
reverse-complement
source secs mem gz cpu secs
C++ g++ #2 0.70 499,840 2099 0.70
Julia #8 1.58 1,039,672 531 1.70
Julia #9 1.83 1,038,224 456 1.95
C++ g++ #6 3.20 1,517,660 1827 4.22
C++ g++ 6.56 980,060 599 6.56
C++ g++ #5 35.10 771,556 704 35.10
Julia #2 35.46 1,718,176 464 35.82
C++ g++ #3   Bad Output  
binary-trees
source secs mem gz cpu secs
C++ g++ #7 0.95 201,400 896 3.30
C++ g++ #5 1.14 200,660 891 3.98
C++ g++ #9 1.72 135,936 815 4.46
C++ g++ #6 1.88 266,112 851 4.47
C++ g++ #3 1.88 265,600 951 4.72
C++ g++ #8 2.18 265,984 826 5.11
C++ g++ 2.65 2,040,792 760 9.07
C++ g++ #2 21.51 265,856 514 21.51
Julia #2 18.15 644,864 430 35.92
Julia #3 14.34 693,600 640 40.22
C++ g++ #4   Make Error  
Julia #5   Failed  
Julia #4   Failed  
Julia

julia version 1.10.2

C++ g++

Ubuntu 13.2.0-4ubuntu3