Step 1 : Are the Rexx Regina 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 Rexx Regina program used compared to the fastest Perl program.
Step 2 : Are the Rexx Regina 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 Rexx Regina program used compared to the fastest Perl program.
| Rexx Regina used what fraction? used how many times more? | ||||
|---|---|---|---|---|
| Benchmark | Time | Memory | Code | Reduced N |
| recursive | 2× | 2× | ± | |
| sum-file | 3× | ± | ± | |
| reverse-complement | 5× | 1/2 | 2× | |
| fasta | 7× | ± | ± | 2,500,000 |
| mandelbrot | 11× | ± | ± | |
| spectral-norm | 12× | ± | 2× | 3,000 |
| n-body | 23× | 25× | ± | 200,000 |
± read the measurements and then read the program source code.
Step 3 : Are the Rexx Regina 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 Rexx Regina 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 |
|---|---|---|---|---|---|
| recursive | |||||
| Rexx Regina | 2,067.47 | 16,448 | 337 | ||
| Perl | 956.31 | 10,812 | 380 | ||
| sum-file | |||||
| Rexx Regina | 48.46 | 14,924 | 86 | ||
| Perl | 15.55 | 14,916 | 84 | ||
| reverse-complement | |||||
| Rexx Regina | 10.58 | 23,412 | 686 | ||
| Perl | 1.99 | 38,356 | 298 | ||
| fasta N = 2,500,000 reduced workload | |||||
| Rexx Regina | 575.14 | 3,160 | 970 | ||
| Perl | 87.61 | 3,156 | 934 | ||
| mandelbrot | |||||
| Rexx Regina | 4,334.04 | 3,156 | 395 | ||
| Perl | 382.65 | 3,388 | 311 | ||
| spectral-norm N = 3,000 reduced workload | |||||
| Rexx Regina | 14,404.89 | 18,536 | 621 | ||
| Perl | 1,168.93 | 18,536 | 334 | ||
| n-body N = 200,000 reduced workload | |||||
| Rexx Regina | 366.38 | 48,624 | 1517 | ||
| Perl | 15.75 | 1,908 | 1140 | ||
| k-nucleotide | |||||
| Rexx Regina | |||||
| nsieve | |||||
| Rexx Regina | |||||
| nsieve-bits | |||||
| Rexx Regina | |||||
| partial-sums | |||||
| Rexx Regina | |||||
| pidigits | |||||
| Rexx Regina | |||||
| binary-trees | |||||
| chameneos-redux | |||||
| fannkuch | |||||
| regex-dna | |||||
Measurements for all the accepted programs
Rexx Regina : historic - originally ibm - scripting
REXX-Regina_3.3(MT) 5.00 25 Apr 2004
Home Page: http://regina-rexx.sourceforge.net/
Download: http://prdownloads.sourceforge.net/regina-rexx