VB, copy, dim TestHex As String ' Returns.
You can represent hexadecimal numbers directly by preceding numbers in the proper range with.
Here are the results, roughly from fastest to slowest.
Length AllocateThreshold) return ToHexStringFast(value, UpperHexBytes return ToHexStringSlow(value, UpperHexChars if (lowerHexBytes!
Text: 23,201.23 (21.4X faster sentence:.24 (22.3X faster lookup by nibble (via Brian Lambert).Text: 308,805.38 (2.4X faster sentence:.89 (2.4X faster string X2 (using gregate, requires nq) (via Mark).Update Test repo includes more variants such as String.Update Added ncat nvertAll variant for completeness (requires.NET.0).Up vote -1 down vote, here is a extension method for byte array (byte.g., var b new byte 15, 22, 255, 84, 45, 65, 7, 28, 59, 10 ; HexString public static class HexByteArrayExtensionMethods private const int AllocateThreshold 256; private const string UpperHexChars ".To convert byte to hex, you could use class to convert.Update Added Nathan Moinvaziri's lookup answer and the variant from Brian Lambert's blog.Null) return ToHexStringFast(value, lowerHexBytes if (value.Length * 2; byte b; for (int i 0; i bytes.
Make sure you are running the input version you want, sentence or text, by toggling the comments in GenerateTestInput in that same class.
For the code used, see below or the test framework repo where I now maintain the code for running this.
Text: 113,269.34 (4.4X faster sentence:.98 (2.8X faster string (via Mykroft).
The following code example converts.Static string bytes) return in(string.Length; i) buxton sketch normal font var val _Lookup32bytesi; result2*i (char)val; result2*i 1 (char) (val 16 return new string(result static string ByteArrayToHexViaLookup(byte bytes) string hexStringTable new string "00 "01 "02 "03 "04 "05 "06 "07 "08 "09 "0A "0B "0C "0D "0E "0F "10 "11 "12 "13 "14 "15.Up vote 362 down vote, performance Analysis, note: new leader.A version is included here but feel free to clone the repo and add your own methods.TestHex Hex(459).NET Framework Available since.1 Silverlight Available since.0 Return to top Show: Inherited Protected.Both rather fast, but not taking the lead on the test machine I used (AMD Phenom 9750).Public static void WriteByteArray( byte bytes, string name ) const string underLine " Console.AppendFormat (using gregate, requires nq) (derived from Tomalak's answer) Text: 718,380.63 (1.0X faster) Sentence:.71 (1.0X faster) Lookup tables have taken the lead over byte manipulation.For a long time byte manipulation, potentially harder to read by some developers, was the top-performing approach.