public AsciiFileReader(CommandInterpreter interpreter)
{
using (var sr = new StreamReader(interpreter.Path, interpreter.Encoding)) {
Data = sr.ReadToEnd();
}
}
public void TestBinaryFiles()
{
var gen = new Random();
var files = Directory.EnumerateFiles(DirectoryString + @"\GenFiles\", "B_*");
foreach (var file in files) {
var ob = new StatObj { FileName = file };
var commandLineInterpreter = new CommandInterpreter() { Encoding = Encoding.UTF8, Path = ob.FileName };
var fileReader = new AsciiFileReader(commandLineInterpreter);
var sa = new SuffixArrayAsc(fileReader.Data);
var bwt = new BurrowsWheelerTransformAsc(sa);
for (var i = 1; i < Math.Min(20, ob.FileSize / 2); i++) {
ob.PatternSize = i;
commandLineInterpreter.QueryString = fileReader.Data.Substring(
(int)(
(ob.FileSize - ob.PatternSize) * gen.NextDouble()
), ob.PatternSize
);
ob.StartTimeTicks = (ulong)DateTime.Now.Ticks;
/* try
{*/
ob.Results = bwt.CountOccurrences(commandLineInterpreter.QueryString);
/*}
catch
{
}*/
ob.EndTimeTicks = (ulong)DateTime.Now.Ticks;
Console.WriteLine("BWT,{0},{1},{2},{3},{4},{5}", ob.RuntimeTicks, ob.PatternSize, ob.FileSize, ob.AlphabetSize, ob.Results, Encoding.UTF8);
ob.StartTimeTicks = (ulong)DateTime.Now.Ticks; /*try
{*/
ob.Results = BruteForce.Run(fileReader.Data, commandLineInterpreter.QueryString);
/*}
catch
{
}*/
ob.EndTimeTicks = (ulong)DateTime.Now.Ticks;
Console.WriteLine("BruteForce,{0},{1},{2},{3},{4},{5}", ob.RuntimeTicks, ob.PatternSize, ob.FileSize, ob.AlphabetSize, ob.Results, Encoding.UTF8);
}
}
}
public void TestAsciiFiles()
{
var gen = new Random();
var files = Directory.EnumerateFiles(DirectoryString + @"\GenFiles\", "*").Where(u => !u.Contains(@"GenFiles\B_"));
foreach (var file in files) {
var ob = new StatObj { FileName = file };
var commandLineInterpreter = new CommandInterpreter() { Encoding = Encoding.ASCII, Path = ob.FileName };
var fileReader = new AsciiFileReader(commandLineInterpreter);
var sa = new SuffixArrayAsc(fileReader.Data);
var bwt = new BurrowsWheelerTransformAsc(sa);
int bwtWins = 0;
int bfWins = 0;
for (var i = 1; i < Math.Min(2, ob.FileSize / 2); i++) {
ob.PatternSize = i;
commandLineInterpreter.QueryString = fileReader.Data.Substring(
(int)(
(ob.FileSize - ob.PatternSize) * gen.NextDouble()
), ob.PatternSize
);
Console.WriteLine(commandLineInterpreter.QueryString);
// Settings and timers
//===============================================================
int times = 1000;
Stopwatch sw;
//===============================================================
// BWT
//===============================================================
StatObj bwtStat = ob;
bwtStat.EndTimeTicks = 0;
bwtStat.Results = 0;
bwtStat.RuntimeTicks = 0;
bwtStat.StartTimeTicks = 0;
sw = Stopwatch.StartNew();
for (int t = 0; t < times; t++) {
bwtStat.Results = bwt.CountOccurrences(commandLineInterpreter.QueryString);
}
sw.Stop();
bwtStat.RuntimeTicks = sw.ElapsedMilliseconds; //(ulong)sw.ElapsedTicks;
//===============================================================
// BF
//===============================================================
StatObj bfStat = ob;
bfStat.EndTimeTicks = 0;
bfStat.Results = 0;
bfStat.RuntimeTicks = 0;
bfStat.StartTimeTicks = 0;
sw = Stopwatch.StartNew();
for (int t = 0; t < times; t++) {
bfStat.Results = BruteForce.Run(fileReader.Data, commandLineInterpreter.QueryString);
}
sw.Stop();
bfStat.RuntimeTicks = sw.ElapsedMilliseconds; //(ulong)sw.ElapsedTicks;
//===============================================================
// Print Results
//===============================================================
//Console.WriteLine("BWT,{0},{1},{2},{3},{4},{5}", ob.RuntimeTicks, ob.PatternSize, ob.FileSize, ob.AlphabetSize, ob.Results, Encoding.ASCII);
//Console.WriteLine("BruteForce,{0},{1},{2},{3},{4},{5}", ob.RuntimeTicks, ob.PatternSize, ob.FileSize, ob.AlphabetSize, ob.Results, Encoding.ASCII);
//Console.WriteLine("BWT: {0}", bwtStat.RuntimeTicks);
//Console.WriteLine(" BF: {0}", bfStat.RuntimeTicks);
if (bwtStat.Results != bfStat.Results) {
Console.WriteLine("\nBWT FAILED US!\n");
}
if (bfStat.RuntimeTicks >= bwtStat.RuntimeTicks)
bwtWins++;
else
bfWins++;
//===============================================================
}
Console.WriteLine(ob.FileName + "\nBWT Wins: " + bwtWins + "\nBF Wins: " + bfWins + "\n");
}
}
public BinaryFileReader(CommandInterpreter interpreter)
{
byte[] fileBytes = File.ReadAllBytes(interpreter.Path);
Data = new BitArray(fileBytes);
}