public static int LzmaBenchmark(int numIterations, uint dictionarySize)
{
if (numIterations <= 0)
{
return(0);
}
if (dictionarySize < 262144U)
{
Console.WriteLine("\nError: dictionary size for benchmark must be >= 19 (512 KB)");
return(1);
}
Console.Write("\n Compressing Decompressing\n\n");
Encoder encoder = new Encoder();
Decoder decoder = new Decoder();
CoderPropID[] propIDs = new CoderPropID[1]
{
CoderPropID.DictionarySize
};
object[] properties = new object[1]
{
(object)(int)dictionarySize
};
uint bufferSize = dictionarySize + 6291456U;
int capacity = (int)(bufferSize / 2U) + 1024;
encoder.SetCoderProperties(propIDs, properties);
MemoryStream memoryStream1 = new MemoryStream();
encoder.WriteCoderProperties((Stream)memoryStream1);
byte[] array = memoryStream1.ToArray();
LzmaBench.CBenchRandomGenerator cbenchRandomGenerator = new LzmaBench.CBenchRandomGenerator();
cbenchRandomGenerator.Set(bufferSize);
cbenchRandomGenerator.Generate();
CRC crc = new CRC();
crc.Init();
crc.Update(cbenchRandomGenerator.Buffer, 0U, cbenchRandomGenerator.BufferSize);
LzmaBench.CProgressInfo cprogressInfo = new LzmaBench.CProgressInfo();
cprogressInfo.ApprovedStart = (long)dictionarySize;
ulong size1 = 0;
ulong elapsedTime1 = 0;
ulong elapsedTime2 = 0;
ulong secondSize = 0;
MemoryStream memoryStream2 = new MemoryStream(cbenchRandomGenerator.Buffer, 0, (int)cbenchRandomGenerator.BufferSize);
MemoryStream memoryStream3 = new MemoryStream(capacity);
LzmaBench.CrcOutStream crcOutStream = new LzmaBench.CrcOutStream();
for (int index1 = 0; index1 < numIterations; ++index1)
{
cprogressInfo.Init();
memoryStream2.Seek(0L, SeekOrigin.Begin);
memoryStream3.Seek(0L, SeekOrigin.Begin);
encoder.Code((Stream)memoryStream2, (Stream)memoryStream3, -1L, -1L, (ICodeProgress)cprogressInfo);
ulong ticks = (ulong)(DateTime.UtcNow - cprogressInfo.Time).Ticks;
long position = memoryStream3.Position;
if (cprogressInfo.InSize == 0L)
{
throw new Exception("Internal ERROR 1282");
}
ulong elapsedTime3 = 0;
for (int index2 = 0; index2 < 2; ++index2)
{
memoryStream3.Seek(0L, SeekOrigin.Begin);
crcOutStream.Init();
decoder.SetDecoderProperties(array);
ulong num = (ulong)bufferSize;
DateTime utcNow = DateTime.UtcNow;
decoder.Code((Stream)memoryStream3, (Stream)crcOutStream, 0L, (long)num, (ICodeProgress)null);
elapsedTime3 = (ulong)(DateTime.UtcNow - utcNow).Ticks;
if ((int)crcOutStream.GetDigest() != (int)crc.GetDigest())
{
throw new Exception("CRC Error");
}
}
ulong size2 = (ulong)bufferSize - (ulong)cprogressInfo.InSize;
LzmaBench.PrintResults(dictionarySize, ticks, size2, false, 0UL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, elapsedTime3, (ulong)bufferSize, true, (ulong)position);
Console.WriteLine();
size1 += size2;
elapsedTime1 += ticks;
elapsedTime2 += elapsedTime3;
secondSize += (ulong)position;
}
Console.WriteLine("---------------------------------------------------");
LzmaBench.PrintResults(dictionarySize, elapsedTime1, size1, false, 0UL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, elapsedTime2, (ulong)bufferSize * (ulong)numIterations, true, secondSize);
Console.WriteLine(" Average");
return(0);
}
public static int LzmaBenchmark(int numIterations, uint dictionarySize)
{
if (numIterations <= 0)
{
return(0);
}
if (dictionarySize < 262144u)
{
Console.WriteLine("\nError: dictionary size for benchmark must be >= 19 (512 KB)");
return(1);
}
Console.Write("\n Compressing Decompressing\n\n");
Encoder encoder = new Encoder();
Decoder decoder = new Decoder();
CoderPropID[] propIDs = new CoderPropID[]
{
CoderPropID.DictionarySize
};
object[] properties = new object[]
{
(int)dictionarySize
};
uint num = dictionarySize + 6291456u;
uint capacity = num / 2u + 1024u;
encoder.SetCoderProperties(propIDs, properties);
MemoryStream memoryStream = new MemoryStream();
encoder.WriteCoderProperties(memoryStream);
byte[] decoderProperties = memoryStream.ToArray();
LzmaBench.CBenchRandomGenerator cBenchRandomGenerator = new LzmaBench.CBenchRandomGenerator();
cBenchRandomGenerator.Set(num);
cBenchRandomGenerator.Generate();
CRC cRC = new CRC();
cRC.Init();
cRC.Update(cBenchRandomGenerator.Buffer, 0u, cBenchRandomGenerator.BufferSize);
LzmaBench.CProgressInfo cProgressInfo = new LzmaBench.CProgressInfo();
cProgressInfo.ApprovedStart = (long)((ulong)dictionarySize);
ulong num2 = 0uL;
ulong num3 = 0uL;
ulong num4 = 0uL;
ulong num5 = 0uL;
MemoryStream memoryStream2 = new MemoryStream(cBenchRandomGenerator.Buffer, 0, (int)cBenchRandomGenerator.BufferSize);
MemoryStream memoryStream3 = new MemoryStream((int)capacity);
LzmaBench.CrcOutStream crcOutStream = new LzmaBench.CrcOutStream();
for (int i = 0; i < numIterations; i++)
{
cProgressInfo.Init();
memoryStream2.Seek(0L, SeekOrigin.Begin);
memoryStream3.Seek(0L, SeekOrigin.Begin);
encoder.Code(memoryStream2, memoryStream3, -1L, -1L, cProgressInfo);
ulong ticks = (ulong)(DateTime.UtcNow - cProgressInfo.Time).Ticks;
long position = memoryStream3.Position;
if (cProgressInfo.InSize == 0L)
{
throw new Exception("Internal ERROR 1282");
}
ulong num6 = 0uL;
for (int j = 0; j < 2; j++)
{
memoryStream3.Seek(0L, SeekOrigin.Begin);
crcOutStream.Init();
decoder.SetDecoderProperties(decoderProperties);
ulong outSize = (ulong)num;
DateTime utcNow = DateTime.UtcNow;
decoder.Code(memoryStream3, crcOutStream, 0L, (long)outSize, null);
num6 = (ulong)(DateTime.UtcNow - utcNow).Ticks;
if (crcOutStream.GetDigest() != cRC.GetDigest())
{
throw new Exception("CRC Error");
}
}
ulong num7 = (ulong)num - (ulong)cProgressInfo.InSize;
LzmaBench.PrintResults(dictionarySize, ticks, num7, false, 0uL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, num6, (ulong)num, true, (ulong)position);
Console.WriteLine();
num2 += num7;
num3 += ticks;
num4 += num6;
num5 += (ulong)position;
}
Console.WriteLine("---------------------------------------------------");
LzmaBench.PrintResults(dictionarySize, num3, num2, false, 0uL);
Console.Write(" ");
LzmaBench.PrintResults(dictionarySize, num4, (ulong)num * (ulong)((long)numIterations), true, num5);
Console.WriteLine(" Average");
return(0);
}