÷

 Step 1 : Are the Haskell GHC programs faster? At a glance.

This chart shows 3 comparisons - Time-used, Memory-used and Code-used ~ speed and size.

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 ~ speed and size.

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
 pidigits1/191/461/2
 chameneos-redux±1/51/2
 spectral-norm±1/7±
 reverse-complement±±
 mandelbrot±±±
 fasta±1/7±
 n-body1/7±
 fannkuch1/3±
 binary-trees1/2±
 k-nucleotide±

± 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 ~ speed and size.

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
 pidigits 
Haskell GHC2.982.985,232332  100% 0% 0% 0%
Java 6 -server59.1858.03240,912800  34% 23% 31% 14%
 chameneos-redux 
Haskell GHC6.984.392,396832  61% 33% 25% 33%
Java 6 -server13.675.8212,9521377  59% 50% 54% 60%
 spectral-norm 
Haskell GHC15.834.131,856869  98% 93% 98% 95%
Java 6 -server15.934.0712,736950  97% 100% 98% 97%
 reverse-complement 
Haskell GHC3.793.79618,056913  62% 1% 1% 39%
Java 6 -server3.383.32473,716592  0% 2% 1% 98%
 mandelbrot 
Haskell GHC54.4813.9435,292772  98% 98% 99% 96%
Java 6 -server45.2111.5444,768903  98% 98% 98% 99%
 fasta 
Haskell GHC10.8010.801,7201406  100% 0% 0% 0%
Java 6 -server7.757.7212,8081240  1% 100% 0% 1%
 n-body 
Haskell GHC37.0837.071,7841687  0% 36% 64% 0%
Java 6 -server23.7023.7412,6081424  0% 100% 0% 0%
 fannkuch 
Haskell GHC156.6740.774,0681204  95% 96% 94% 96%
Java 6 -server65.4317.9413,9401150  99% 99% 99% 68%
 binary-trees 
Haskell GHC50.2632.00217,364544  45% 46% 33% 31%
Java 6 -server14.1311.68460,636603  28% 24% 55% 14%
 k-nucleotide 
Haskell GHC106.0550.84371,6882749  60% 52% 14% 81%
Java 6 -server46.2813.60476,3161602  86% 92% 81% 81%
 regex-dna 
Haskell GHCMake Error
Java 6 -server0.840.5122,836929  37% 28% 56% 59%

 Step 4 : Are there other Haskell GHC programs for these benchmarks?

Remember - those are just the fastest Haskell GHC and Java 6 -server programs measured on this OS/machine. Check if there are other implementations of these benchmark programs for Haskell GHC.

Maybe one of those other Haskell GHC programs is fastest on a different OS/machine.

 Step 5 : Are there other faster programs for these benchmarks?

Remember - those are just the fastest Haskell GHC and Java 6 -server programs measured on this OS/machine. Check if there are faster implementations of these benchmark programs for other programming languages.

Maybe one of those other programs is fastest on a different OS/machine.

 Haskell GHC : lazy pure functional programming 

Glasgow Haskell Compiler, Version 6.10.4, for Haskell 98, stage 2 booted by GHC version 6.10.4

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

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

Revised BSD license

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