The Computer Language
24.04 Benchmarks Game

Go versus Java 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
Go #3 8.33 19,664 975 33.25
Java #3 40.76 42,844 1264 40.83
Java 10.98 42,812 1289 43.36
Java #2 44.03 40,916 520 44.09
Go 11.74 19,664 906 46.77
Go #2 11.79 19,664 903 46.97
n-body
source secs mem gz cpu secs
Go #3 6.37 19,808 1207 6.38
Java #5 6.78 41,384 1435 6.82
Java #4 6.87 41,188 1495 6.91
Go 7.00 19,680 1316 7.02
Go #2 7.02 19,680 1222 7.03
Java #2 7.42 41,308 1430 7.46
Java #3 7.47 41,256 1436 7.51
Java 7.85 41,512 1437 7.89
spectral-norm
source secs mem gz cpu secs
Go 5.32 19,824 417 5.33
Go #2 1.53 19,824 674 5.67
Go #4 1.44 19,824 555 5.67
Java #3 1.66 42,924 762 6.21
Java 7.07 42,268 521 7.13
Java #2 2.40 42,164 956 9.25
mandelbrot
source secs mem gz cpu secs
Go #4 3.76 35,328 912 14.92
Go #3 3.76 35,456 900 14.94
Java #4 4.45 104,488 667 16.20
Java #2 4.13 83,152 802 16.22
Java #6 4.28 83,056 808 16.84
Go 5.01 33,408 829 19.98
Java 25.70 41,388 671 25.76
Go #2 6.85 33,152 843 27.29
Go #6 6.89 32,768 707 27.40
Java #3 7.86 83,424 910 30.96
pidigits
source secs mem gz cpu secs
Java #3 0.93 40,860 770 0.96
Go #4 0.95 19,808 689 0.97
Go 1.35 19,696 715 1.37
Java #2 1.34 44,524 944 1.42
Go #3 1.58 19,824 610 1.62
Go #2 2.13 19,824 740 2.19
Go #8 2.49 19,696 727 2.50
Go #7 5.12 19,824 702 5.88
Java 7.61 486,236 807 8.69
regex-redux
source secs mem gz cpu secs
Go #5 3.17 320,972 817 5.38
Java 8.38 666,804 875 16.42
Java #3 5.17 671,372 935 17.04
Java #6 5.57 1,234,928 746 17.17
Go #4 14.51 368,680 832 34.26
Go 25.58 345,472 749 61.95
Go #3 25.72 402,968 836 62.19
fasta
source secs mem gz cpu secs
Java #4 3.15 42,784 1528 3.26
Java #6 1.18 48,408 2549 3.71
Go 3.73 19,804 1055 3.74
Java #5 1.24 48,752 2478 3.81
Go #2 1.26 19,672 1405 4.03
Go #3 1.50 19,664 1362 4.08
Java #2 4.35 47,184 1259 4.50
k-nucleotide
source secs mem gz cpu secs
Java 5.01 368,104 1821 16.33
Java #6 7.18 365,592 1614 25.01
Java #3 7.30 365,348 1642 25.39
Go #7 7.52 162,944 1613 28.68
Go #6 8.17 145,152 1596 29.90
Go #3 8.38 145,152 1729 30.32
Go #4 9.07 139,904 1552 30.33
Java #4 34.43 195,584 1887 34.79
Java #5 16.05 219,872 2225 38.17
reverse-complement
source secs mem gz cpu secs
Go #2 2.21 802,176 614 2.30
Go #3 2.47 802,048 609 2.56
Go #6 1.84 1,249,840 1340 3.30
Java #6 3.33 2,031,460 760 3.96
Java #5 4.73 1,096,344 1115 4.86
Java #4 5.57 1,889,928 656 5.68
Java #7 23.06 1,036,296 1654 6.31
Go #5   Bad Output  
Go   Failed  
Java #3   Bad Output  
Java #8   Bad Output  
binary-trees
source secs mem gz cpu secs
Java #4 4.50 2,081,744 846 5.22
Java #3 4.80 2,076,860 546 5.59
Java #6 4.84 2,097,072 535 5.60
Java #2 4.93 2,067,656 558 5.67
Java #7 2.57 1,728,452 841 8.00
Go #6 27.61 404,608 618 29.03
Go #2 13.87 601,252 672 55.04
Go #5 14.37 308,092 957 56.80
Go #3 14.86 323,544 806 57.39
Go 30.97 262,396 488 57.95
Go #7 33.10 292,588 531 61.68
Go

go version go1.22.0 linux/amd64
GOAMD64=v2

Java

java 22 2024-03-19
Java HotSpot(TM) 64-Bit Server VM
(build 22+36-2370,
mixed mode, sharing)