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c# Programming Glossary: sw.elapsed.totalsecondsWhy does C# execute Math.Sqrt() more slowly than VB.NET? http://stackoverflow.com/questions/3025968/why-does-c-sharp-execute-math-sqrt-more-slowly-than-vb-net 2 To 5000000 testIfPrimeSerial i Next sw.Stop totalSeconds sw.Elapsed.TotalSeconds Console.WriteLine String.Format 0 seconds elapsed. totalSeconds.. 2 i 5000000 i testIfPrimeSerial i sw.Stop totalSeconds sw.Elapsed.TotalSeconds Console.WriteLine string.Format 0 seconds elapsed. totalSeconds..
using static Regex.IsMatch vs creating an instance of Regex http://stackoverflow.com/questions/414328/using-static-regex-ismatch-vs-creating-an-instance-of-regex input pattern Console.WriteLine static took 0 seconds. sw.Elapsed.TotalSeconds sw.Reset sw.Start Regex rx new Regex pattern for int i 0 i count.. input Console.WriteLine instance took 0 seconds. sw.Elapsed.TotalSeconds sw.Reset sw.Start rx new Regex pattern RegexOptions.Compiled.. input Console.WriteLine compiled took 0 seconds. sw.Elapsed.TotalSeconds At count 10000 as listed the second output is fastest. Increase..
How to parse a text file in C# and be io bound? http://stackoverflow.com/questions/7153315/how-to-parse-a-text-file-in-c-sharp-and-be-io-bound native read 0 F1 MB in 1 F1 s 2 F1 MB s bytes 1024 1024 sw.Elapsed.TotalSeconds MB sw.Elapsed.TotalSeconds sw Stopwatch.StartNew int n CountLines.. F1 s 2 F1 MB s bytes 1024 1024 sw.Elapsed.TotalSeconds MB sw.Elapsed.TotalSeconds sw Stopwatch.StartNew int n CountLines data sw.Stop Console.WriteLine.. Did read 0 N0 lines in 1 F1 s 2 F1 MB s n sw.Elapsed.TotalSeconds MB sw.Elapsed.TotalSeconds sw Stopwatch.StartNew ParseLinesUnsafe..
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