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Computer Language Benchmarks Game      [[ Play ]]

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 performance measurements

Each table row shows performance measurements for this C# Mono program with a particular command-line input value N.

N	CPU secs	Elapsed secs	Memory KB	Code B	≈ CPU Load
250,000	2.33	2.34	40,808	1012	0% 0% 0% 100%
2,500,000	20.10	20.12	98,652	1012	1% 0% 0% 100%
25,000,000	195.69	195.85	595,320	1012	1% 0% 0% 100%

Read the ↓ make, command line, and program output logs to see how this program was run.

Read k-nucleotide benchmark to see what this program should do.

 notes

Mono JIT compiler version 3.0.3 (tarball Tue Feb 12 10:56:44 PST 2013)
LLVM: yes(3.2svn-mono)

 k-nucleotide C# Mono #2 program source code

/* The Computer Language Benchmarks Game
   http://benchmarksgame.alioth.debian.org/
 *
 * contributed by Isaac Gouy
 * modified by Antti Lankila for generics
 */

using System;
using System.IO;
using System.Collections.Generic;
using System.Text;

public class program {
    public static void Main(string[] args) {
	string line;
	StreamReader source = new StreamReader(Console.OpenStandardInput());
	StringBuilder input = new StringBuilder();

	while ( (line = source.ReadLine() ) != null ) {
	    if (line[0] == '>' && line.Substring(1, 5) == "THREE")
		break;
	}
	 
	while ( (line = source.ReadLine()) != null ) {
            char c = line[0];
            if (c == '>')
               break;
            if (c != ';')
               input.Append(line.ToUpper());
	}

	KNucleotide kn = new KNucleotide(input.ToString());
        input = null;
	kn.WriteFrequencies(1);
	kn.WriteFrequencies(2);

	kn.WriteCount("GGT");
	kn.WriteCount("GGTA");
	kn.WriteCount("GGTATT");
	kn.WriteCount("GGTATTTTAATT");
	kn.WriteCount("GGTATTTTAATTTATAGT");
    }
}

public class KNucleotide {
    /* freq[foo] ++ implies a get and a set. */
    internal class Value {
	internal int v;

	internal Value(int v)
	{
	    this.v = v;
	}
    }

    private Dictionary<string, Value> frequencies = new Dictionary<string, Value>();
    private string sequence;

    public KNucleotide(string s)
    {
	sequence = s;
    }

    public void WriteFrequencies(int nucleotideLength) {
	GenerateFrequencies(nucleotideLength);

	List<KeyValuePair<string, Value>> items = new List<KeyValuePair<string, Value>>(frequencies);
	items.Sort(SortByFrequencyAndCode);

	int sum = sequence.Length - nucleotideLength + 1;
	foreach (KeyValuePair<string, Value> each in items) {
	    double percent = each.Value.v * 100.0 / sum;
	    Console.WriteLine("{0} {1:f3}", each.Key, percent);
	}
	Console.WriteLine("");
    }

    public void WriteCount(string nucleotideFragment) {
	GenerateFrequencies(nucleotideFragment.Length);

	int count = 0;
	if (frequencies.ContainsKey(nucleotideFragment))
	    count = frequencies[nucleotideFragment].v;
	Console.WriteLine("{0}\t{1}", count, nucleotideFragment);
    }

    private void GenerateFrequencies(int length) {
	frequencies.Clear();
	for (int frame = 0; frame < length; frame++)
	    KFrequency(frame, length);
    }

    private void KFrequency(int readingFrame, int k) {
	int n = sequence.Length - k + 1;
	/* string.Substring is a malloc monster :( */
	if (k > 6) {
	    for (int i = readingFrame; i < n; i += k) {
		string knucleo = sequence.Substring(i, k);
		if (frequencies.ContainsKey(knucleo))
		    frequencies[knucleo].v ++;
		else
		    frequencies[knucleo] = new Value(1);
	    }
	} else {
	    for (int i = readingFrame; i < n; i += k) {
		string knucleo = sequence.Substring(i, k);
		try {
		    frequencies[knucleo].v ++;
		}
		catch (KeyNotFoundException) {
		    frequencies[knucleo] = new Value(1);
		}
	    }
	}
    }

    int SortByFrequencyAndCode(KeyValuePair<string, Value> item1, KeyValuePair<string, Value> item2) {
	int comparison = item2.Value.v.CompareTo(item1.Value.v);
	if (comparison == 0) return item1.Key.CompareTo(item2.Key);
	else return comparison;
    }
}

 make, command-line, and program output logs

Tue, 12 Feb 2013 20:08:41 GMT

MAKE:
mv knucleotide.csharp-2.csharp knucleotide.csharp-2.cs
/usr/local/bin/mcs -unsafe+ -optimize+ -platform:x86 -out:knucleotide.csharp-2.csharp_run knucleotide.csharp-2.cs
rm knucleotide.csharp-2.cs
0.25s to complete and log all make actions

COMMAND LINE:
/usr/local/bin/mono --llvm knucleotide.csharp-2.csharp_run 0 < knucleotide-input25000000.txt

PROGRAM OUTPUT:
A 30.295
T 30.151
C 19.800
G 19.754

AA 9.177
TA 9.132
AT 9.131
TT 9.091
CA 6.002
AC 6.001
AG 5.987
GA 5.984
CT 5.971
TC 5.971
GT 5.957
TG 5.956
CC 3.917
GC 3.911
CG 3.909
GG 3.902

1471758	GGT
446535	GGTA
47336	GGTATT
893	GGTATTTTAATT
893	GGTATTTTAATTTATAGT

<premain>: CommandLine Error: Argument 'misched' defined more than once!
<premain>: CommandLine Error: Argument 'print-machineinstrs' defined more than once!
-simplifycfg: CommandLine Error: Argument 'misched' defined more than once!
-simplifycfg: CommandLine Error: Argument 'print-machineinstrs' defined more than once!

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