1baa3858d3f5d128a5c8466b700098109edcad5f2repo sync// LzmaBench.cs 2baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 3baa3858d3f5d128a5c8466b700098109edcad5f2repo syncusing System; 4baa3858d3f5d128a5c8466b700098109edcad5f2repo syncusing System.IO; 5baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 6baa3858d3f5d128a5c8466b700098109edcad5f2repo syncnamespace SevenZip 7baa3858d3f5d128a5c8466b700098109edcad5f2repo sync{ 8baa3858d3f5d128a5c8466b700098109edcad5f2repo sync /// <summary> 9baa3858d3f5d128a5c8466b700098109edcad5f2repo sync /// LZMA Benchmark 10baa3858d3f5d128a5c8466b700098109edcad5f2repo sync /// </summary> 11baa3858d3f5d128a5c8466b700098109edcad5f2repo sync internal abstract class LzmaBench 12baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 13baa3858d3f5d128a5c8466b700098109edcad5f2repo sync const UInt32 kAdditionalSize = (6 << 20); 14baa3858d3f5d128a5c8466b700098109edcad5f2repo sync const UInt32 kCompressedAdditionalSize = (1 << 10); 15baa3858d3f5d128a5c8466b700098109edcad5f2repo sync const UInt32 kMaxLzmaPropSize = 10; 16baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 17baa3858d3f5d128a5c8466b700098109edcad5f2repo sync class CRandomGenerator 18baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 19baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 A1; 20baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 A2; 21baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public CRandomGenerator() { Init(); } 22baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Init() { A1 = 362436069; A2 = 521288629; } 23baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public UInt32 GetRnd() 24baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 25baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return 26baa3858d3f5d128a5c8466b700098109edcad5f2repo sync ((A1 = 36969 * (A1 & 0xffff) + (A1 >> 16)) << 16) ^ 27baa3858d3f5d128a5c8466b700098109edcad5f2repo sync ((A2 = 18000 * (A2 & 0xffff) + (A2 >> 16))); 28baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 29baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 30baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 31baa3858d3f5d128a5c8466b700098109edcad5f2repo sync class CBitRandomGenerator 32baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 33baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CRandomGenerator RG = new CRandomGenerator(); 34baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 Value; 35baa3858d3f5d128a5c8466b700098109edcad5f2repo sync int NumBits; 36baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Init() 37baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 38baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Value = 0; 39baa3858d3f5d128a5c8466b700098109edcad5f2repo sync NumBits = 0; 40baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 41baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public UInt32 GetRnd(int numBits) 42baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 43baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 result; 44baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (NumBits > numBits) 45baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 46baa3858d3f5d128a5c8466b700098109edcad5f2repo sync result = Value & (((UInt32)1 << numBits) - 1); 47baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Value >>= numBits; 48baa3858d3f5d128a5c8466b700098109edcad5f2repo sync NumBits -= numBits; 49baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return result; 50baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 51baa3858d3f5d128a5c8466b700098109edcad5f2repo sync numBits -= NumBits; 52baa3858d3f5d128a5c8466b700098109edcad5f2repo sync result = (Value << numBits); 53baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Value = RG.GetRnd(); 54baa3858d3f5d128a5c8466b700098109edcad5f2repo sync result |= Value & (((UInt32)1 << numBits) - 1); 55baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Value >>= numBits; 56baa3858d3f5d128a5c8466b700098109edcad5f2repo sync NumBits = 32 - numBits; 57baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return result; 58baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 59baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 60baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 61baa3858d3f5d128a5c8466b700098109edcad5f2repo sync class CBenchRandomGenerator 62baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 63baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CBitRandomGenerator RG = new CBitRandomGenerator(); 64baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 Pos; 65baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 Rep0; 66baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 67baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public UInt32 BufferSize; 68baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public Byte[] Buffer = null; 69baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 70baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public CBenchRandomGenerator() { } 71baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 72baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Set(UInt32 bufferSize) 73baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 74baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Buffer = new Byte[bufferSize]; 75baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Pos = 0; 76baa3858d3f5d128a5c8466b700098109edcad5f2repo sync BufferSize = bufferSize; 77baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 78baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 GetRndBit() { return RG.GetRnd(1); } 79baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 GetLogRandBits(int numBits) 80baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 81baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 len = RG.GetRnd(numBits); 82baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return RG.GetRnd((int)len); 83baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 84baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 GetOffset() 85baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 86baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (GetRndBit() == 0) 87baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return GetLogRandBits(4); 88baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return (GetLogRandBits(4) << 10) | RG.GetRnd(10); 89baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 90baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 GetLen1() { return RG.GetRnd(1 + (int)RG.GetRnd(2)); } 91baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 GetLen2() { return RG.GetRnd(2 + (int)RG.GetRnd(2)); } 92baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Generate() 93baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 94baa3858d3f5d128a5c8466b700098109edcad5f2repo sync RG.Init(); 95baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Rep0 = 1; 96baa3858d3f5d128a5c8466b700098109edcad5f2repo sync while (Pos < BufferSize) 97baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 98baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (GetRndBit() == 0 || Pos < 1) 99baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Buffer[Pos++] = (Byte)RG.GetRnd(8); 100baa3858d3f5d128a5c8466b700098109edcad5f2repo sync else 101baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 102baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 len; 103baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (RG.GetRnd(3) == 0) 104baa3858d3f5d128a5c8466b700098109edcad5f2repo sync len = 1 + GetLen1(); 105baa3858d3f5d128a5c8466b700098109edcad5f2repo sync else 106baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 107baa3858d3f5d128a5c8466b700098109edcad5f2repo sync do 108baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Rep0 = GetOffset(); 109baa3858d3f5d128a5c8466b700098109edcad5f2repo sync while (Rep0 >= Pos); 110baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Rep0++; 111baa3858d3f5d128a5c8466b700098109edcad5f2repo sync len = 2 + GetLen2(); 112baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 113baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (UInt32 i = 0; i < len && Pos < BufferSize; i++, Pos++) 114baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Buffer[Pos] = Buffer[Pos - Rep0]; 115baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 116baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 117baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 118baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 119baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 120baa3858d3f5d128a5c8466b700098109edcad5f2repo sync class CrcOutStream : System.IO.Stream 121baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 122baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public CRC CRC = new CRC(); 123baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Init() { CRC.Init(); } 124baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public UInt32 GetDigest() { return CRC.GetDigest(); } 125baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 126baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override bool CanRead { get { return false; } } 127baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override bool CanSeek { get { return false; } } 128baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override bool CanWrite { get { return true; } } 129baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override Int64 Length { get { return 0; } } 130baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override Int64 Position { get { return 0; } set { } } 131baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override void Flush() { } 132baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override long Seek(long offset, SeekOrigin origin) { return 0; } 133baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override void SetLength(long value) { } 134baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override int Read(byte[] buffer, int offset, int count) { return 0; } 135baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 136baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override void WriteByte(byte b) 137baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 138baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CRC.UpdateByte(b); 139baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 140baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public override void Write(byte[] buffer, int offset, int count) 141baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 142baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CRC.Update(buffer, (uint)offset, (uint)count); 143baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 144baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 145baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 146baa3858d3f5d128a5c8466b700098109edcad5f2repo sync class CProgressInfo : ICodeProgress 147baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 148baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public Int64 ApprovedStart; 149baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public Int64 InSize; 150baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public System.DateTime Time; 151baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void Init() { InSize = 0; } 152baa3858d3f5d128a5c8466b700098109edcad5f2repo sync public void SetProgress(Int64 inSize, Int64 outSize) 153baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 154baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (inSize >= ApprovedStart && InSize == 0) 155baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 156baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Time = DateTime.UtcNow; 157baa3858d3f5d128a5c8466b700098109edcad5f2repo sync InSize = inSize; 158baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 159baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 160baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 161baa3858d3f5d128a5c8466b700098109edcad5f2repo sync const int kSubBits = 8; 162baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 163baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static UInt32 GetLogSize(UInt32 size) 164baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 165baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (int i = kSubBits; i < 32; i++) 166baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (UInt32 j = 0; j < (1 << kSubBits); j++) 167baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (size <= (((UInt32)1) << i) + (j << (i - kSubBits))) 168baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return (UInt32)(i << kSubBits) + j; 169baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return (32 << kSubBits); 170baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 171baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 172baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static UInt64 MyMultDiv64(UInt64 value, UInt64 elapsedTime) 173baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 174baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 freq = TimeSpan.TicksPerSecond; 175baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 elTime = elapsedTime; 176baa3858d3f5d128a5c8466b700098109edcad5f2repo sync while (freq > 1000000) 177baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 178baa3858d3f5d128a5c8466b700098109edcad5f2repo sync freq >>= 1; 179baa3858d3f5d128a5c8466b700098109edcad5f2repo sync elTime >>= 1; 180baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 181baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (elTime == 0) 182baa3858d3f5d128a5c8466b700098109edcad5f2repo sync elTime = 1; 183baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return value * freq / elTime; 184baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 185baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 186baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static UInt64 GetCompressRating(UInt32 dictionarySize, UInt64 elapsedTime, UInt64 size) 187baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 188baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 t = GetLogSize(dictionarySize) - (18 << kSubBits); 189baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 numCommandsForOne = 1060 + ((t * t * 10) >> (2 * kSubBits)); 190baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 numCommands = (UInt64)(size) * numCommandsForOne; 191baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return MyMultDiv64(numCommands, elapsedTime); 192baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 193baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 194baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static UInt64 GetDecompressRating(UInt64 elapsedTime, UInt64 outSize, UInt64 inSize) 195baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 196baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 numCommands = inSize * 220 + outSize * 20; 197baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return MyMultDiv64(numCommands, elapsedTime); 198baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 199baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 200baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static UInt64 GetTotalRating( 201baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 dictionarySize, 202baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 elapsedTimeEn, UInt64 sizeEn, 203baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 elapsedTimeDe, 204baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 inSizeDe, UInt64 outSizeDe) 205baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 206baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return (GetCompressRating(dictionarySize, elapsedTimeEn, sizeEn) + 207baa3858d3f5d128a5c8466b700098109edcad5f2repo sync GetDecompressRating(elapsedTimeDe, inSizeDe, outSizeDe)) / 2; 208baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 209baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 210baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static void PrintValue(UInt64 v) 211baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 212baa3858d3f5d128a5c8466b700098109edcad5f2repo sync string s = v.ToString(); 213baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (int i = 0; i + s.Length < 6; i++) 214baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(" "); 215baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(s); 216baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 217baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 218baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static void PrintRating(UInt64 rating) 219baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 220baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintValue(rating / 1000000); 221baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(" MIPS"); 222baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 223baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 224baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static void PrintResults( 225baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 dictionarySize, 226baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 elapsedTime, 227baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 size, 228baa3858d3f5d128a5c8466b700098109edcad5f2repo sync bool decompressMode, UInt64 secondSize) 229baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 230baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 speed = MyMultDiv64(size, elapsedTime); 231baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintValue(speed / 1024); 232baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(" KB/s "); 233baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 rating; 234baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (decompressMode) 235baa3858d3f5d128a5c8466b700098109edcad5f2repo sync rating = GetDecompressRating(elapsedTime, size, secondSize); 236baa3858d3f5d128a5c8466b700098109edcad5f2repo sync else 237baa3858d3f5d128a5c8466b700098109edcad5f2repo sync rating = GetCompressRating(dictionarySize, elapsedTime, size); 238baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintRating(rating); 239baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 240baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 241baa3858d3f5d128a5c8466b700098109edcad5f2repo sync static public int LzmaBenchmark(Int32 numIterations, UInt32 dictionarySize) 242baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 243baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (numIterations <= 0) 244baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return 0; 245baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (dictionarySize < (1 << 18)) 246baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 247baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.WriteLine("\nError: dictionary size for benchmark must be >= 19 (512 KB)"); 248baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return 1; 249baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 250baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write("\n Compressing Decompressing\n\n"); 251baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 252baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Compression.LZMA.Encoder encoder = new Compression.LZMA.Encoder(); 253baa3858d3f5d128a5c8466b700098109edcad5f2repo sync Compression.LZMA.Decoder decoder = new Compression.LZMA.Decoder(); 254baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 255baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 256baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CoderPropID[] propIDs = 257baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 258baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CoderPropID.DictionarySize, 259baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 260baa3858d3f5d128a5c8466b700098109edcad5f2repo sync object[] properties = 261baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 262baa3858d3f5d128a5c8466b700098109edcad5f2repo sync (Int32)(dictionarySize), 263baa3858d3f5d128a5c8466b700098109edcad5f2repo sync }; 264baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 265baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 kBufferSize = dictionarySize + kAdditionalSize; 266baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt32 kCompressedBufferSize = (kBufferSize / 2) + kCompressedAdditionalSize; 267baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 268baa3858d3f5d128a5c8466b700098109edcad5f2repo sync encoder.SetCoderProperties(propIDs, properties); 269baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.IO.MemoryStream propStream = new System.IO.MemoryStream(); 270baa3858d3f5d128a5c8466b700098109edcad5f2repo sync encoder.WriteCoderProperties(propStream); 271baa3858d3f5d128a5c8466b700098109edcad5f2repo sync byte[] propArray = propStream.ToArray(); 272baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 273baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CBenchRandomGenerator rg = new CBenchRandomGenerator(); 274baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 275baa3858d3f5d128a5c8466b700098109edcad5f2repo sync rg.Set(kBufferSize); 276baa3858d3f5d128a5c8466b700098109edcad5f2repo sync rg.Generate(); 277baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CRC crc = new CRC(); 278baa3858d3f5d128a5c8466b700098109edcad5f2repo sync crc.Init(); 279baa3858d3f5d128a5c8466b700098109edcad5f2repo sync crc.Update(rg.Buffer, 0, rg.BufferSize); 280baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 281baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CProgressInfo progressInfo = new CProgressInfo(); 282baa3858d3f5d128a5c8466b700098109edcad5f2repo sync progressInfo.ApprovedStart = dictionarySize; 283baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 284baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 totalBenchSize = 0; 285baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 totalEncodeTime = 0; 286baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 totalDecodeTime = 0; 287baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 totalCompressedSize = 0; 288baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 289baa3858d3f5d128a5c8466b700098109edcad5f2repo sync MemoryStream inStream = new MemoryStream(rg.Buffer, 0, (int)rg.BufferSize); 290baa3858d3f5d128a5c8466b700098109edcad5f2repo sync MemoryStream compressedStream = new MemoryStream((int)kCompressedBufferSize); 291baa3858d3f5d128a5c8466b700098109edcad5f2repo sync CrcOutStream crcOutStream = new CrcOutStream(); 292baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (Int32 i = 0; i < numIterations; i++) 293baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 294baa3858d3f5d128a5c8466b700098109edcad5f2repo sync progressInfo.Init(); 295baa3858d3f5d128a5c8466b700098109edcad5f2repo sync inStream.Seek(0, SeekOrigin.Begin); 296baa3858d3f5d128a5c8466b700098109edcad5f2repo sync compressedStream.Seek(0, SeekOrigin.Begin); 297baa3858d3f5d128a5c8466b700098109edcad5f2repo sync encoder.Code(inStream, compressedStream, -1, -1, progressInfo); 298baa3858d3f5d128a5c8466b700098109edcad5f2repo sync TimeSpan sp2 = DateTime.UtcNow - progressInfo.Time; 299baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 encodeTime = (UInt64)sp2.Ticks; 300baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 301baa3858d3f5d128a5c8466b700098109edcad5f2repo sync long compressedSize = compressedStream.Position; 302baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (progressInfo.InSize == 0) 303baa3858d3f5d128a5c8466b700098109edcad5f2repo sync throw (new Exception("Internal ERROR 1282")); 304baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 305baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 decodeTime = 0; 306baa3858d3f5d128a5c8466b700098109edcad5f2repo sync for (int j = 0; j < 2; j++) 307baa3858d3f5d128a5c8466b700098109edcad5f2repo sync { 308baa3858d3f5d128a5c8466b700098109edcad5f2repo sync compressedStream.Seek(0, SeekOrigin.Begin); 309baa3858d3f5d128a5c8466b700098109edcad5f2repo sync crcOutStream.Init(); 310baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 311baa3858d3f5d128a5c8466b700098109edcad5f2repo sync decoder.SetDecoderProperties(propArray); 312baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 outSize = kBufferSize; 313baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.DateTime startTime = DateTime.UtcNow; 314baa3858d3f5d128a5c8466b700098109edcad5f2repo sync decoder.Code(compressedStream, crcOutStream, 0, (Int64)outSize, null); 315baa3858d3f5d128a5c8466b700098109edcad5f2repo sync TimeSpan sp = (DateTime.UtcNow - startTime); 316baa3858d3f5d128a5c8466b700098109edcad5f2repo sync decodeTime = (ulong)sp.Ticks; 317baa3858d3f5d128a5c8466b700098109edcad5f2repo sync if (crcOutStream.GetDigest() != crc.GetDigest()) 318baa3858d3f5d128a5c8466b700098109edcad5f2repo sync throw (new Exception("CRC Error")); 319baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 320baa3858d3f5d128a5c8466b700098109edcad5f2repo sync UInt64 benchSize = kBufferSize - (UInt64)progressInfo.InSize; 321baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintResults(dictionarySize, encodeTime, benchSize, false, 0); 322baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(" "); 323baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintResults(dictionarySize, decodeTime, kBufferSize, true, (ulong)compressedSize); 324baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.WriteLine(); 325baa3858d3f5d128a5c8466b700098109edcad5f2repo sync 326baa3858d3f5d128a5c8466b700098109edcad5f2repo sync totalBenchSize += benchSize; 327baa3858d3f5d128a5c8466b700098109edcad5f2repo sync totalEncodeTime += encodeTime; 328baa3858d3f5d128a5c8466b700098109edcad5f2repo sync totalDecodeTime += decodeTime; 329baa3858d3f5d128a5c8466b700098109edcad5f2repo sync totalCompressedSize += (ulong)compressedSize; 330baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 331baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.WriteLine("---------------------------------------------------"); 332baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintResults(dictionarySize, totalEncodeTime, totalBenchSize, false, 0); 333baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.Write(" "); 334baa3858d3f5d128a5c8466b700098109edcad5f2repo sync PrintResults(dictionarySize, totalDecodeTime, 335baa3858d3f5d128a5c8466b700098109edcad5f2repo sync kBufferSize * (UInt64)numIterations, true, totalCompressedSize); 336baa3858d3f5d128a5c8466b700098109edcad5f2repo sync System.Console.WriteLine(" Average"); 337baa3858d3f5d128a5c8466b700098109edcad5f2repo sync return 0; 338baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 339baa3858d3f5d128a5c8466b700098109edcad5f2repo sync } 340baa3858d3f5d128a5c8466b700098109edcad5f2repo sync} 341