PhraseSet filling moved out to separate method

master
Inga 🏳‍🌈 7 years ago
parent cbb7ccb59b
commit a154b211a5
  1. 75
      dotnet/WhiteRabbit/PhraseSet.cs

@ -15,51 +15,58 @@
fixed (long* bufferPointer = this.Buffer)
{
long* longBuffer = (long*)bufferPointer;
int numberOfWords = wordIndexes.Length;
fixed (ulong* permutationsPointer = permutations)
{
var currentPermutationPointer = permutationsPointer + permutationOffset;
for (var i = 0; i < Constants.PhrasesPerSet; i++, currentPermutationPointer++)
fixed (int* wordIndexesPointer = wordIndexes)
{
var permutation = *currentPermutationPointer;
if (permutation == 0)
{
continue;
}
var cumulativeWordOffsetX4 = 0;
for (var j = 0; j < numberOfWords; j++)
{
var currentWord = allWords[wordIndexes[permutation & 15]];
permutation = permutation >> 4;
longBuffer[0] |= currentWord.Buffers[cumulativeWordOffsetX4 + 0];
longBuffer[1] |= currentWord.Buffers[cumulativeWordOffsetX4 + 1];
longBuffer[2] ^= currentWord.Buffers[cumulativeWordOffsetX4 + 2];
longBuffer[3] ^= currentWord.Buffers[cumulativeWordOffsetX4 + 3];
cumulativeWordOffsetX4 += currentWord.LengthX4;
}
longBuffer += 4;
FillPhraseSet(bufferPointer, allWords, wordIndexesPointer, permutationsPointer, permutationOffset, numberOfCharacters, wordIndexes.Length);
}
}
}
}
private static unsafe void FillPhraseSet(long* bufferPointer, Word[] allWords, int* wordIndexes, ulong* permutationsPointer, int permutationOffset, int numberOfCharacters, int numberOfWords)
{
long* longBuffer = (long*)bufferPointer;
var length = numberOfCharacters + numberOfWords - 1;
byte* byteBuffer = ((byte*)bufferPointer) + length;
for (var i = 0; i < Constants.PhrasesPerSet; i++)
var currentPermutationPointer = permutationsPointer + permutationOffset;
for (var i = 0; i < Constants.PhrasesPerSet; i++, currentPermutationPointer++)
{
var permutation = *currentPermutationPointer;
if (permutation == 0)
{
*byteBuffer = 128;
byteBuffer += 32;
continue;
}
var lengthInBits = (uint)(length << 3);
uint* uintBuffer = ((uint*)bufferPointer) + 7;
for (var i = 0; i < Constants.PhrasesPerSet; i++)
var cumulativeWordOffsetX4 = 0;
for (var j = 0; j < numberOfWords; j++)
{
*uintBuffer = lengthInBits;
uintBuffer += 8;
var currentWord = allWords[wordIndexes[permutation & 15]];
permutation = permutation >> 4;
longBuffer[0] |= currentWord.Buffers[cumulativeWordOffsetX4 + 0];
longBuffer[1] |= currentWord.Buffers[cumulativeWordOffsetX4 + 1];
longBuffer[2] ^= currentWord.Buffers[cumulativeWordOffsetX4 + 2];
longBuffer[3] ^= currentWord.Buffers[cumulativeWordOffsetX4 + 3];
cumulativeWordOffsetX4 += currentWord.LengthX4;
}
longBuffer += 4;
}
var length = numberOfCharacters + numberOfWords - 1;
byte* byteBuffer = ((byte*)bufferPointer) + length;
for (var i = 0; i < Constants.PhrasesPerSet; i++)
{
*byteBuffer = 128;
byteBuffer += 32;
}
var lengthInBits = (uint)(length << 3);
uint* uintBuffer = ((uint*)bufferPointer) + 7;
for (var i = 0; i < Constants.PhrasesPerSet; i++)
{
*uintBuffer = lengthInBits;
uintBuffer += 8;
}
}

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