÷

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


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

 Haskell GHC used what fraction? used how many times more? 
Benchmark Time Memory Code Reduced N
 partial-sums1/21/10±
 binary-trees1/21/3±
 chameneos-redux±1/81/2
 nsieve-bits±1/4±
 nsieve±1/3±
 reverse-complement±±
 spectral-norm±1/10±
 sum-file±1/4±
 recursive±1/8±
 pidigits±1/41/2
 fannkuch±1/9
 mandelbrot1/8±
 k-nucleotide
 fasta1/5±
 n-body1/7±

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

 Step 3 : Are the Haskell GHC 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 Haskell GHC 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
 partial-sums 
Haskell GHC4.36864476  
Java 6 -server9.158,488474  
 binary-trees 
Haskell GHC3.359,152512  
Java 6 -server6.8926,808603  
 chameneos-redux 
Haskell GHC11.931,528789  
Java 6 -server17.5112,0921429  
 nsieve-bits 
Haskell GHC4.123,728388  
Java 6 -server5.0413,364523  
 nsieve 
Haskell GHC2.126,060396  
Java 6 -server2.2520,592296  
 reverse-complement 
Haskell GHC1.2764,192915  
Java 6 -server1.3058,932592  
 spectral-norm 
Haskell GHC24.82964737  
Java 6 -server24.0110,008514  
 sum-file 
Haskell GHC4.562,816162  
Java 6 -server4.109,972226  
 recursive 
Haskell GHC8.051,464447  
Java 6 -server6.7612,044427  
 pidigits 
Haskell GHC2.862,488377  
Java 6 -server1.928,992938  
 fannkuch 
Haskell GHC16.579921005  
Java 6 -server11.058,884555  
 mandelbrot 
Haskell GHC5.321,332627  
Java 6 -server3.2411,092623  
 k-nucleotide 
Haskell GHC28.56164,7121767  
Java 6 -server15.8970,9641052  
 fasta 
Haskell GHC62.221,6841096  
Java 6 -server21.469,1841240  
 n-body 
Haskell GHC48.721,6481687  
Java 6 -server14.7511,5241424  
 regex-dna
   No program

 Measurements for all the accepted programs

 Haskell GHC : lazy pure functional programming 

Glasgow Haskell Compiler, Version 6.8.2, for Haskell 98, stage 2 booted by GHC version 6.8.2

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

Download: http://www.haskell.org/ghc/

Revised BSD license