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 Step 1 : Are the Perl 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 Perl program used compared to the fastest Java 6 -server program.


 Step 2 : Are the Perl 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 Perl program used compared to the fastest Java 6 -server program.

 Perl used what fraction? used how many times more? 
Benchmark Time Memory Code Reduced N
 pidigits±1/51/2
 regex-dna1/41/2
 reverse-complement±1/2
 k-nucleotide1/4
 fannkuch37×1/81/3
 fasta37×1/6±
 spectral-norm66×±
 n-body71×1/6±
 binary-trees80×±
 mandelbrot106×1/161/3

± read the measurements and then read the program source code.

 Step 3 : Are the Perl 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 Perl program are shown for comparison against measurements of the fastest Java 6 -server program.

Program Source Code CPU secs Elapsed secs Memory KB Code B ~ CPU Load
 pidigits 
Perl7.477.483,884385  0% 0% 0% 100%
Java 6 -server6.936.9618,020938  0% 0% 0% 100%
 regex-dna 
Perl38.7838.78165,064527  0% 0% 0% 100%
Java 6 -server25.3525.40683,724929  0% 0% 0% 100%
 reverse-complement 
Perl5.305.30433,056298  0% 0% 0% 100%
Java 6 -server2.662.71475,772592  0% 1% 0% 97%
 k-nucleotide 
Perl225.09228.97780,228359  0% 0% 0% 100%
Java 6 -server55.7555.78368,4241602  0% 0% 0% 100%
 fannkuch 
Perl2,660.572,660.432,060391  0% 0% 0% 100%
Java 6 -server72.6872.6817,4601150  0% 0% 0% 100%
 fasta 
Perl311.00310.982,548934  1% 1% 1% 100%
Java 6 -server8.338.3614,5801240  0% 0% 0% 100%
 spectral-norm 
Perl1,094.721,094.6511,060846  0% 0% 0% 100%
Java 6 -server16.6116.6215,868514  0% 0% 0% 100%
 n-body 
Perl1,639.611,639.532,5721140  0% 0% 0% 100%
Java 6 -server23.1823.1815,0881424  0% 0% 0% 100%
 binary-trees 
Perl1,490.641,490.581,091,276541  0% 0% 0% 100%
Java 6 -server18.5118.55565,112603  0% 0% 0% 100%
 mandelbrot 
Perl4,387.614,387.504,132311  0% 0% 0% 100%
Java 6 -server41.2841.2966,940903  0% 0% 0% 100%
 chameneos-redux
   No program

 Measurements for all the accepted programs

 Perl : server-side shell & cgi scripts 

This is perl, v5.10.0 built for x86_64-linux-gnu-thread-multi

Home Page: http://www.perl.org/

Download: http://www.cpan.org/src/5.0/

Revised BSD license