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Update to Fast LZMA2 1.0.0

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This commit is contained in:
conor42
2019-03-18 00:05:50 +10:00
parent f531a44f1c
commit d85962e654
43 changed files with 5467 additions and 3943 deletions
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36
CPP/7zip/UI/GUI/CompressDialog.cpp
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@@ -1410,7 +1410,7 @@ typedef enum {
} FL2_strategy;
typedef struct {
unsigned dictionaryLog; /* largest match distance : larger == more compression, more memory needed during decompression; >= 27 == more memory, slower */
UInt32 dictionarySize; /* largest match distance : larger == more compression, more memory needed during decompression; >= 27 == more memory per byte, slower */
unsigned overlapFraction; /* overlap between consecutive blocks in 1/16 units: larger == more compression, slower */
unsigned chainLog; /* fully searched segment : larger == more compression, slower, more memory; hybrid mode only (ultra) */
unsigned searchLog; /* nb of searches : larger == more compression, slower; hybrid mode only (ultra) */
@@ -1424,19 +1424,23 @@ typedef struct {
#define FL2_MAX_7Z_CLEVEL 9
#define MB *(1U<<20)
static const FL2_compressionParameters FL2_7zCParameters[FL2_MAX_7Z_CLEVEL + 1] = {
{ 0,0,0,0,0,0,0 },
{ 20, 1, 7, 0, 6, 32, 1, 8, FL2_fast }, /* 1 */
{ 20, 2, 7, 0, 12, 32, 1, 8, FL2_fast }, /* 2 */
{ 21, 2, 7, 0, 16, 32, 1, 8, FL2_fast }, /* 3 */
{ 20, 2, 7, 0, 16, 32, 1, 8, FL2_opt }, /* 4 */
{ 24, 2, 9, 0, 40, 48, 1, 8, FL2_ultra }, /* 5 */
{ 25, 2, 10, 0, 48, 64, 1, 8, FL2_ultra }, /* 6 */
{ 26, 2, 11, 1, 60, 96, 1, 9, FL2_ultra }, /* 7 */
{ 27, 2, 12, 2, 128, 128, 1, 10, FL2_ultra }, /* 8 */
{ 27, 3, 14, 3, 252, 160, 0, 10, FL2_ultra } /* 9 */
{ 0,0,0,0,0,0,0,0,FL2_fast },
{ 1 MB, 1, 7, 0, 6, 32, 1, 4, FL2_fast }, /* 1 */
{ 2 MB, 2, 7, 0, 10, 32, 1, 4, FL2_fast }, /* 2 */
{ 2 MB, 2, 7, 0, 10, 32, 1, 4, FL2_opt }, /* 3 */
{ 4 MB, 2, 7, 0, 14, 32, 1, 4, FL2_opt }, /* 4 */
{ 16 MB, 2, 9, 0, 42, 48, 1, 4, FL2_ultra }, /* 5 */
{ 32 MB, 2, 10, 0, 50, 64, 1, 4, FL2_ultra }, /* 6 */
{ 64 MB, 2, 11, 1, 62, 96, 1, 3, FL2_ultra }, /* 7 */
{ 64 MB, 4, 12, 2, 90, 273, 1, 3, FL2_ultra }, /* 8 */
{ 128 MB, 2, 14, 3, 254, 273, 0, 2, FL2_ultra } /* 9 */
};
#undef MB
#define RMF_BUILDER_SIZE (8 * 0x40100U)
void CCompressDialog::SetDictionary()
@@ -1512,7 +1516,7 @@ void CCompressDialog::SetDictionary()
if (level > FL2_MAX_7Z_CLEVEL)
level = FL2_MAX_7Z_CLEVEL;
if (defaultDict == (UInt32)(Int32)-1)
defaultDict = (UInt32)1 << FL2_7zCParameters[level].dictionaryLog;
defaultDict = FL2_7zCParameters[level].dictionarySize;
m_Dictionary.SetCurSel(0);
@@ -2020,11 +2024,11 @@ UInt64 CCompressDialog::GetMemoryUsage(UInt32 dict, UInt64 &decompressMemory)
{
if (level > FL2_MAX_7Z_CLEVEL)
level = FL2_MAX_7Z_CLEVEL;
size += dict * 5 + (1UL << 18) * numThreads;
unsigned depth = FL2_7zCParameters[level].searchDepth;
UInt32 bufSize = UInt32(1) << (FL2_7zCParameters[level].dictionaryLog - FL2_7zCParameters[level].bufferLog);
/* dual buffer is enabled in Lzma2Encoder.cpp so size is dict * 6 */
size += dict * 6 + (1UL << 18) * numThreads;
UInt32 bufSize = dict >> (12 - FL2_7zCParameters[level].bufferLog);
size += (bufSize * 12 + RMF_BUILDER_SIZE) * numThreads;
if (dict > (UInt32(1) << 26) || depth > 63)
if (dict > (UInt32(1) << 26))
size += dict;
if (FL2_7zCParameters[level].strategy == FL2_ultra)
size += (UInt32(4) << 14) + (UInt32(4) << FL2_7zCParameters[level].chainLog);