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LibRegex: Avoid excessive Vector copy when compiling regexps

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Previously we would've copied the bytecode instead of moving the chunks
around, use the fancy new DisjointChunks<T> abstraction to make that
happen automagically.
This decreases vector copies and uses of memmove() by nearly 10x :^)
This commit is contained in:
Ali Mohammad Pur
2021-09-13 23:45:22 +04:30
committed by Ali Mohammad Pur
parent 7e75a16e6f
commit bf0315ff8f
Notes: sideshowbarker 2024-07-18 03:58:34 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/bf0315ff8f7
Pull-request: https://github.com/SerenityOS/serenity/pull/10019
3 changed files with 53 additions and 23 deletions
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2
Userland/Libraries/LibRegex/RegexBytecodeStreamOptimizer.h
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@@ -12,7 +12,7 @@ namespace regex {
class Optimizer {
public:
static void append_alternation(ByteCode& target, ByteCode& left, ByteCode& right);
static void append_alternation(ByteCode& target, ByteCode&& left, ByteCode&& right);
};
}