The Computer Language
25.02 Benchmarks Game

Pharo Smalltalk versus Java -Xint

How the programs are written matters! Always look at the source code.

If the fastest programs are flagged * possible hand-written vector instructions or "unsafe" or naked ffi, 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 cpu secs mem gz make
Pharo Smalltalk 481.24 482.09 143,667 871 30.05
Java -Xint #3 498.58 497.22 55,575 1264 1.80
Java -Xint 134.82 527.88 55,443 1289 2.69
Java -Xint #2 697.50 697.68 54,956 520 2.72
Java -Xint #8 708.83 709.01 54,968 517 1.80
n-body      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Pharo Smalltalk 114.75 115.80—116.91 143,004 1801 33.97
Java -Xint #4 160.54 160.58—160.66 56,537 1495 1.69
Java -Xint #8 160.98 161.04—161.34 56,529 1322 1.78
Java -Xint #3 175.24 175.34—175.45 56,549 1436 2.79
Java -Xint #2 178.94 179.09—179.27 56,537 1430 1.66
Java -Xint 187.47 186.89—189.24 56,762 1437 1.71
Java -Xint #5 240.86 240.99—241.14 56,521 1435 1.84
spectral-norm      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Pharo Smalltalk 53.39 53.76—53.96 142,340 683 32.38
Java -Xint #2 17.04 67.36 57,840 956 2.74
Java -Xint #8 84.13 84.24—84.42 57,487 453 2.80
Java -Xint 84.66 84.78—84.97 57,860 521 1.77
Java -Xint #3 26.20 103.53—104.58 58,536 762 1.68
mandelbrot      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Pharo Smalltalk #2 344.21 344.08 175,542 574 33.82
Java -Xint 361.43 359.89 89,395 671 1.86
Pharo Smalltalk 366.49 366.31 176,222 573 29.93
Java -Xint #3 121.75 478.38 129,159 910 2.82
Java -Xint #4 163.49 605.97 153,235 667 1.91
Java -Xint #8 631.98 632.13 87,757 441 1.64
Java -Xint #2 206.34 818.36 127,955 802 1.79
Java -Xint #6 215.54 854.67 128,238 808 6.56
fasta      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Java -Xint #5 8.96 23.43 60,871 2478 2.00
Java -Xint #4 25.47 25.46 55,329 1528 2.74
Java -Xint #6 9.18 30.82 60,899 2549 2.03
Java -Xint #2 37.02 37.02 55,284 1259 1.86
Pharo Smalltalk #2 43.16 43.44—43.73 142,504 1381 31.83
Pharo Smalltalk 92.73 94.12—95.29 143,000 1375 30.09
Java -Xint #8 329.43 327.85 465,990 894 2.67
k-nucleotide      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Java -Xint 174.01 431.72—433.22 379,441 1821 3.24
Pharo Smalltalk #2 493.71 494.22 671,744 1105 28.94
Pharo Smalltalk 560.98 562.32 671,412 1196 30.06
Java -Xint #4 727.60 727.61 465,605 1887 2.10
Java -Xint #5 361.44 825.11 486,142 2225 2.29
Java -Xint #3 387.14 1,261.16 631,669 1642 2.22
Java -Xint #6 389.44 1,264.41 631,869 1614 3.23
Java -Xint #8   Timed Out  
Pharo Smalltalk #5   Empty  
reverse-complement      
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Java -Xint #6 39.75 48.48—48.58 2,098,323 760 1.83
Java -Xint #4 80.45 80.51—80.60 1,949,635 656 1.66
Pharo Smalltalk #2 151.89 153.80—155.49 1,164,440 724 34.42
Java -Xint #5 173.32 173.61—173.83 1,136,472 1115 2.71
Pharo Smalltalk 565.03 564.86 2,728,526 907 30.52
Java -Xint #7   Bad Output  
Java -Xint #3   Bad Output  
binary-trees      [ Contentious. Different approaches. ]
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Pharo Smalltalk 35.22 35.48—35.81 399,409 673 28.64
Java -Xint #3 67.05 67.79—67.89 1,208,656 546 2.73
Java -Xint #6 67.56 68.29—68.36 1,276,555 535 2.68
Java -Xint #2 74.47 75.23—75.47 1,110,118 558 2.67
Java -Xint #7 32.92 96.82—96.97 996,970 841 1.99
Java -Xint #4 98.01 98.78—98.99 1,018,921 846 2.81
pidigits      [ Contentious. Different libraries. ]
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Java -Xint #2 1.46 1.44 58,733 944 1.70
Pharo Smalltalk 7.31 7.33 160,817 706 30.34
Java -Xint 182.51 182.93—183.32 207,122 807 2.84
Java -Xint #4   Bad Output  
Java -Xint #3   Empty  
regex-redux      [ Contentious. Different libraries. ]
  elapsed Mean or 95% CI      
source secs cpu secs mem gz make
Java -Xint 558.70 999.78 569,221 875 1.93
Java -Xint #3 381.83 1,011.98 693,670 935 1.78
Java -Xint #6 384.29 1,012.72 1,320,649 746 3.18
Java -Xint #2   Bad Output  
Pharo Smalltalk   Empty  
Pharo Smalltalk

Pharo 12.0.0
Pharo-12.0.0+SNAPSHOT.build.1507.sha.
a4f8da8972214b9c9c39c33e826394a109911041 (64 Bit)

Compiler: 5.4.0 20160609

Java -Xint

java 23 2024-09-17
Java HotSpot(TM) 64-Bit Server VM
(build 23+37-2369,
interpreted mode, sharing)