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55 lines
1.7 KiB
55 lines
1.7 KiB
#include "stdafx.h"
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#include "phraseset.h"
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#include "constants.h"
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#include "intrin.h"
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#pragma unmanaged
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#define REPEAT(macro) \
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macro(0); \
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macro(1); \
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macro(2); \
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macro(3); \
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macro(4); \
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macro(5); \
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macro(6); \
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macro(7);
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void fillPhraseSet(__int64* bufferPointer, unsigned __int64* allWordsPointer, __int32* wordIndexes, unsigned __int64* permutationsPointer, int permutationOffset, int numberOfCharacters, int numberOfWords)
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{
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unsigned __int64 permutations[PHRASES_PER_SET];
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unsigned __int64 cumulativeWordOffsets = 0;
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auto avx2buffer = (__m256i*)bufferPointer;
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#define INIT_DATA(phraseNumber) \
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permutations[phraseNumber] = permutationsPointer[permutationOffset + phraseNumber]; \
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REPEAT(INIT_DATA);
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#define PROCESS_WORD(phraseNumber) \
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{ \
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auto currentWord = allWordsPointer + wordIndexes[permutations[phraseNumber] % 16] * 128; \
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permutations[phraseNumber] >>= 4; \
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avx2buffer[phraseNumber] = _mm256_or_si256(avx2buffer[phraseNumber], *(__m256i*)(currentWord + ((cumulativeWordOffsets >> (8 * (phraseNumber % 8))) % 256))); \
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cumulativeWordOffsets += (((unsigned __int64*)currentWord)[127]) << (8 * (phraseNumber % 8)); \
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}
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for (auto j = 0; j < numberOfWords; j++)
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{
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REPEAT(PROCESS_WORD);
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}
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auto length = numberOfCharacters + numberOfWords - 1;
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auto lengthInBits = (unsigned __int32)(length << 3);
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#define FILL_PHRASE_LAST_BYTE(phraseNumber) ((unsigned char*)bufferPointer)[length + phraseNumber * 32] = 128;
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#define FILL_PHRASE_SET_LENGTH(phraseNumber) ((unsigned __int32*)bufferPointer)[7 + phraseNumber * 8] = lengthInBits;
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REPEAT(FILL_PHRASE_LAST_BYTE);
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REPEAT(FILL_PHRASE_SET_LENGTH);
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}
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#pragma managed
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