enable repeat mode on rle
parent
286394aa9b
commit
734eff70b8
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@ -840,16 +840,16 @@ static size_t writeSequences(U32* seed, frame_t* frame, seqStore_t* seqStorePtr,
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{ unsigned max = MaxLL;
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size_t const mostFrequent = HIST_countFast_wksp(count, &max, llCodeTable, nbSeq, WKSP, sizeof(WKSP)); /* cannot fail */
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assert(!HIST_isError(mostFrequent));
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if (mostFrequent == nbSeq) {
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/* do RLE if we have the chance */
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*op++ = llCodeTable[0];
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FSE_buildCTable_rle(CTable_LitLength, (BYTE)max);
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LLtype = set_rle;
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} else if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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isSymbolSubset(llCodeTable, nbSeq,
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frame->stats.litlengthSymbolSet, 35)) {
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/* maybe do repeat mode if we're allowed to */
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LLtype = set_repeat;
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} else if (mostFrequent == nbSeq) {
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/* do RLE if we have the chance */
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*op++ = llCodeTable[0];
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FSE_buildCTable_rle(CTable_LitLength, (BYTE)max);
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LLtype = set_rle;
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} else if (!(RAND(seed) & 3)) {
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/* maybe use the default distribution */
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FSE_buildCTable_wksp(CTable_LitLength, LL_defaultNorm, MaxLL, LL_defaultNormLog, scratchBuffer, sizeof(scratchBuffer));
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@ -872,14 +872,14 @@ static size_t writeSequences(U32* seed, frame_t* frame, seqStore_t* seqStorePtr,
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{ unsigned max = MaxOff;
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size_t const mostFrequent = HIST_countFast_wksp(count, &max, ofCodeTable, nbSeq, WKSP, sizeof(WKSP)); /* cannot fail */
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assert(!HIST_isError(mostFrequent));
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if (mostFrequent == nbSeq) {
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*op++ = ofCodeTable[0];
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FSE_buildCTable_rle(CTable_OffsetBits, (BYTE)max);
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Offtype = set_rle;
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} else if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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isSymbolSubset(ofCodeTable, nbSeq,
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frame->stats.offsetSymbolSet, 28)) {
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Offtype = set_repeat;
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} else if (mostFrequent == nbSeq) {
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*op++ = ofCodeTable[0];
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FSE_buildCTable_rle(CTable_OffsetBits, (BYTE)max);
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Offtype = set_rle;
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} else if (!(RAND(seed) & 3)) {
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FSE_buildCTable_wksp(CTable_OffsetBits, OF_defaultNorm, DefaultMaxOff, OF_defaultNormLog, scratchBuffer, sizeof(scratchBuffer));
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Offtype = set_basic;
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@ -900,14 +900,14 @@ static size_t writeSequences(U32* seed, frame_t* frame, seqStore_t* seqStorePtr,
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{ unsigned max = MaxML;
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size_t const mostFrequent = HIST_countFast_wksp(count, &max, mlCodeTable, nbSeq, WKSP, sizeof(WKSP)); /* cannot fail */
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assert(!HIST_isError(mostFrequent));
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if (mostFrequent == nbSeq) {
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*op++ = *mlCodeTable;
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FSE_buildCTable_rle(CTable_MatchLength, (BYTE)max);
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MLtype = set_rle;
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} else if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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if (frame->stats.fseInit && !(RAND(seed) & 3) &&
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isSymbolSubset(mlCodeTable, nbSeq,
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frame->stats.matchlengthSymbolSet, 52)) {
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MLtype = set_repeat;
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} else if (mostFrequent == nbSeq) {
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*op++ = *mlCodeTable;
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FSE_buildCTable_rle(CTable_MatchLength, (BYTE)max);
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MLtype = set_rle;
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} else if (!(RAND(seed) & 3)) {
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/* sometimes do default distribution */
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FSE_buildCTable_wksp(CTable_MatchLength, ML_defaultNorm, MaxML, ML_defaultNormLog, scratchBuffer, sizeof(scratchBuffer));
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