The Computer Language
25.02 Benchmarks Game

C# versus Java naot

How the programs are written matters! 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
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
* C# #5 2.35 33,559 1485 7.63 9.03
C# #2 30.41 32,924 584 8.13 30.39
* C# #9 8.43 34,038 1232 7.74 33.37
Java naot #3 35.64 11,809 1264 93.87 35.64
Java naot 9.07 12,694 1289 94.68 35.94
C# #6 9.95 33,300 1075 7.64 39.50—39.54
C# #3 11.04 33,182 1117 7.89 44.49—46.04
C# #8 43.84 32,858 519 7.51 43.83—43.87
Java naot #2 44.40 10,772 520 96.06 44.41—44.45
Java naot #8 51.31 11,039 517 94.87 51.30
n-body
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
* C# #9 3.20 32,059 2480 7.92 3.18
* C# #4 3.77 32,215 2137 8.55 3.75
* C# #7 4.83 32,297 1715 7.54 4.81
* C# #6 4.85 32,203 1754 7.89 4.84
Java naot #4 6.01 15,213 1495 143.53 6.01
C# #3 6.68 33,280 1311 7.62 6.66
Java naot #3 6.74 15,479 1436 145.21 6.74
Java naot #2 6.75 15,483 1430 142.57 6.74
C# #2 6.92 33,280 1339 7.93 6.92
Java naot 7.14 17,842 1437 143.68 7.14
Java naot #8 7.18 15,483 1322 144.80 7.18
Java naot #5 7.21 15,282 1435 144.21 7.22
C# #8 7.24 32,870 1335 7.70 7.23
C# 7.68 33,341 1424 7.60 7.67
C# #0 7.68 33,300 1342 7.60 7.67
spectral-norm
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
* C# #5 0.96 37,929 776 8.71 3.44—3.64
Java naot 5.35 18,485 521 145.31 5.34
Java naot #8 5.34 16,253 453 143.46 5.34
C# #8 5.43 33,214 441 7.70 5.41
Java naot #2 1.45 19,415 956 143.96 5.70
Java naot #3 1.46 21,246 762 147.49 5.71
C# #3 1.56 36,172 890 8.36 5.82
C# #2   Empty  
mandelbrot
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
* C# #7 3.23 73,056 915 7.76 12.59—12.90
* C# 3.97 70,214 1980 10.98 15.56—15.67
* C# #9 3.95 70,402 822 7.95 15.46—15.61
Java naot #6 3.94 45,265 808 95.80 15.63
Java naot #4 4.25 76,661 667 97.10 15.75
Java naot #2 3.99 45,236 802 95.53 15.81
C# #5 4.08 68,202 851 11.86 15.88
C# #8 26.42 33,915 492 7.59 26.42
C# #3 6.81 66,859 722 7.65 26.76—26.83
Java naot #8 28.53 11,252 441 95.29 28.54
Java naot 30.53 15,221 671 146.09 30.53
Java naot #3 7.78 49,762 910 147.17 30.95
C# #2 47.72 33,300 504 7.60 48.00—48.46
fasta
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
C# #9 1.23 33,571 1512 7.79 1.23
Java naot #6 1.10 17,334 2549 97.72 3.13
Java naot #4 3.64 11,084 1528 97.22 3.64
Java naot #5 1.12 17,580 2478 94.92 3.80
C# #5 1.53 47,833 1702 7.79 5.45—5.54
C# #8 5.80 37,343 904 8.59 5.49
Java naot #2 5.69 11,006 1259 98.09 5.69
C# 1.80 40,841 2113 7.88 6.22—6.38
Java naot #8 10.78 62,452 894 97.74 10.80—10.94
k-nucleotide
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
C# 3.26 190,829 2046 7.66 10.80—11.05
C# #6 5.73 189,972 1615 7.65 15.07—15.28
Java naot #6 8.32 325,120 1614 144.00 28.41—28.47
Java naot #3 8.35 324,473 1642 146.37 28.48—28.52
Java naot #4 29.05 161,108 1887 146.45 29.20—29.56
Java naot #5 14.43 172,257 2225 143.84 36.09—37.17
C# #4 12.25 606,466 1725 7.64 43.35—45.07
C# #7 42.96 557,740 1449 7.50 43.57—43.83
C# #8 87.51 1,408,664 736 7.89 79.54—80.86
Java naot #8 108.95 594,534 786 146.34 109.16—109.81
Java naot   Empty  
reverse-complement
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
C# #9 0.68 550,793 2641 12.35 1.51
C# 3.32 666,341 1130 7.59 3.31—3.39
C# #5 2.59 1,056,952 1620 7.47 3.87
C# #6 1.75 1,058,517 1627 7.69 4.03—4.07
C# #7 1.69 967,602 1312 11.98 4.47—4.62
Java naot #6 3.87 2,049,520 760 96.54 4.59
Java naot #5 5.78 781,451 1115 95.90 5.78
Java naot #4 6.37 1,554,502 656 96.72 6.38
C# #3 8.65 1,266,110 934 8.01 13.47—13.71
Java naot #3   Bad Output  
Java naot #7   Bad Output  
binary-trees
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
Java naot #3 4.84 296,223 546 95.62 4.86—4.94
Java naot #6 5.05 294,187 535 96.50 5.09—5.17
Java naot #2 5.12 286,675 558 96.82 5.16—5.26
Java naot #4 5.55 305,353 846 95.40 5.54—5.72
Java naot #7 3.94 337,699 841 101.24 7.30—7.49
Java naot #8 7.75 291,021 596 100.20 7.77—7.81
C# #8 16.51 859,582 601 10.54 16.72—16.91
C# #2 6.47 1,107,055 717 7.59 18.08—18.35
C# #7 6.40 1,053,831 706 7.48 18.01—18.41
C# 7.20 3,005,301 668 8.11 20.10—20.51
C# #3 7.42 3,014,975 688 7.55 20.59—21.11
C# #6   Empty  
pidigits
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
* C# #6 0.84 34,796 1182 7.91 0.82
* C# #5 0.86 37,335 990 7.47 0.89
* C# #4 1.31 35,496 1135 7.69 1.30
C# #7 11.08 44,098 579 7.80 9.19—10.76
Java naot 8.42 62,415 807 96.29 8.45
Java naot #2   Empty  
Java naot #3   Empty  
regex-redux
  elapsed       Mean or 95% CI
source secs mem gz make cpu secs
C# #2 1.43 402,747 1881 7.54 2.64
C# 4.63 618,988 641 7.95 4.83
C# #5 1.90 632,472 679 7.53 5.18—5.38
Java naot 11.28 271,626 875 105.78 20.64—20.75
Java naot #6 7.56 456,479 746 102.10 20.98—21.02
Java naot #3 7.47 368,591 935 101.59 21.06—21.12
C# #4 8.59 882,033 854 7.44 30.62—33.76
Java naot #2   Empty  
C#

.NET SDK 9.0.100
Host Version: 9.0.0
Commit: 9d5a6a9aa4

<OutputType>Exe
<TargetFramework>net9.0
<ImplicitUsings>enable
<Nullable>enable
<AllowUnsafeBlocks>true
<ServerGarbageCollection>true
<ConcurrentGarbageCollection>true
<PublishAot>false

Java naot

native-image 23.0.2 2025-01-21
GraalVM Runtime Environment
Oracle GraalVM 23.0.2+7.1