1 : Are the Java 6 -Xint programs faster? At a glance.
This chart shows 3 comparisons - Time-used, Memory-used and Code-used.
Each chart bar shows, for one unidentified benchmark, how much the fastest Java 6 -Xint program used compared to the fastest Perl program.
2 : Are the Java 6 -Xint programs faster? Approximately.
This table shows 3 comparisons - Time-used, Memory-used and Code-used.
Each table row shows, for one named benchmark, how much the fastest Java 6 -Xint program used compared to the fastest Perl program.
| Java 6 -Xint used what fraction? used how many times more? | ||||
|---|---|---|---|---|
| Benchmark | Time | Memory | Code | Reduced N |
| mandelbrot | 1/34 | 16× | 3× | |
| spectral-norm | 1/11 | ± | ± | |
| binary-trees | 1/10 | 1/2 | ± | |
| n-body | 1/7 | 5× | ± | |
| fasta | 1/6 | 5× | ± | |
| fannkuch | 1/5 | ± | 2× | |
| pidigits | ± | 7× | 5× | |
| k-nucleotide | 4× | 1/9 | 2× | |
| reverse-complement | 5× | ± | 2× | |
| regex-dna | 11× | 4× | 2× | |
± read the measurements and then read the program source code.
3 : Are the Java 6 -Xint programs faster? Measurements.
This table shows 5 measurements - CPU Time, Elapsed Time, Memory, Code and ~ CPU Load.
For each named benchmark, measurements of the fastest Java 6 -Xint program are shown for comparison against measurements of the fastest Perl program.
| Program Source Code | CPU secs | Elapsed secs | Memory KB | Code B | ~ CPU Load |
|---|---|---|---|---|---|
| mandelbrot | |||||
| Java 6 -Xint | 491.72 | 123.16 | 64,836 | 903 | 100% 100% 100% 100% |
| Perl | 4,226.42 | 4,226.21 | 4,136 | 311 | 0% 0% 100% 0% |
| spectral-norm | |||||
| Java 6 -Xint | 94.67 | 25.18 | 12,952 | 950 | 93% 94% 92% 98% |
| Perl | 1,137.10 | 285.55 | 10,976 | 846 | 100% 100% 100% 100% |
| binary-trees | |||||
| Java 6 -Xint | 136.24 | 128.46 | 526,792 | 603 | 4% 3% 95% 3% |
| Perl | 1,276.89 | 1,276.85 | 1,091,276 | 541 | 0% 0% 100% 0% |
| n-body | |||||
| Java 6 -Xint | 237.96 | 238.10 | 12,416 | 1424 | 0% 100% 0% 0% |
| Perl | 1,665.13 | 1,665.14 | 2,568 | 1140 | 0% 0% 100% 0% |
| fasta | |||||
| Java 6 -Xint | 49.27 | 49.27 | 12,024 | 1240 | 100% 0% 0% 0% |
| Perl | 314.46 | 314.46 | 2,548 | 934 | 100% 0% 0% 0% |
| fannkuch | |||||
| Java 6 -Xint | 628.06 | 173.70 | 12,248 | 1150 | 80% 99% 77% 99% |
| Perl | 3,749.89 | 942.90 | 8,808 | 471 | 99% 100% 100% 100% |
| pidigits | |||||
| Java 6 -Xint | 17.68 | 6.03 | 28,916 | 1816 | 76% 59% 64% 54% |
| Perl | 7.46 | 7.46 | 3,868 | 385 | 100% 0% 0% 0% |
| k-nucleotide | |||||
| Java 6 -Xint | 1,075.92 | 300.77 | 336,432 | 1602 | 85% 85% 88% 99% |
| Perl | 256.15 | 78.58 | 2,883,780 | 648 | 81% 71% 88% 84% |
| reverse-complement | |||||
| Java 6 -Xint | 27.09 | 27.16 | 473,140 | 592 | 0% 100% 0% 0% |
| Perl | 5.25 | 5.25 | 431,496 | 298 | 100% 0% 0% 0% |
| regex-dna | |||||
| Java 6 -Xint | 353.38 | 143.55 | 678,096 | 929 | 84% 73% 64% 66% |
| Perl | 38.61 | 12.84 | 167,208 | 527 | 78% 66% 76% 81% |
| chameneos-redux | |||||
| Java 6 -Xint | 43.58 | 14.37 | 12,532 | 1377 | 62% 89% 53% 88% |
Java 6 -Xint : ubiquitous bytecode interpreter virtual machine
java version "1.6.0_10"
Java(TM) SE Runtime Environment (build 1.6.0_10-b33)
Java HotSpot(TM) 64-Bit Server VM (build 11.0-b15, interpreted mode)
Home Page: http://java.sun.com/j2se/
Download: http://java.sun.com/j2se/downloads/
