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dfa: adding new Sheng engine

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A new shuffle-based DFA engine, complete with acceleration and smallwrite.
This commit is contained in:
Anatoly Burakov
2016-03-10 09:57:41 +00:00
committed by Matthew Barr
parent 56bf25b091
commit 6331da4e29
24 changed files with 2591 additions and 25 deletions
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4
src/grey.cpp
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@@ -50,6 +50,7 @@ Grey::Grey(void) :
allowLitHaig(true),
allowLbr(true),
allowMcClellan(true),
allowSheng(true),
allowPuff(true),
allowLiteral(true),
allowRose(true),
@@ -127,6 +128,7 @@ Grey::Grey(void) :
equivalenceEnable(true),
allowSmallWrite(true), // McClellan dfas for small patterns
allowSmallWriteSheng(false), // allow use of Sheng for SMWR
smallWriteLargestBuffer(70), // largest buffer that can be
// considered a small write
@@ -214,6 +216,7 @@ void applyGreyOverrides(Grey *g, const string &s) {
G_UPDATE(allowLitHaig);
G_UPDATE(allowLbr);
G_UPDATE(allowMcClellan);
G_UPDATE(allowSheng);
G_UPDATE(allowPuff);
G_UPDATE(allowLiteral);
G_UPDATE(allowRose);
@@ -290,6 +293,7 @@ void applyGreyOverrides(Grey *g, const string &s) {
G_UPDATE(miracleHistoryBonus);
G_UPDATE(equivalenceEnable);
G_UPDATE(allowSmallWrite);
G_UPDATE(allowSmallWriteSheng);
G_UPDATE(smallWriteLargestBuffer);
G_UPDATE(smallWriteLargestBufferBad);
G_UPDATE(limitSmallWriteOutfixSize);