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Use thread-local loop buffers #201

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Merged
mkot2 merged 1 commit into from
Sep 7, 2025
Merged

Use thread-local loop buffers #201

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12 changes: 9 additions & 3 deletions src/vm.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -728,6 +728,12 @@ constexpr std::array<insType, 256> charToOpcode = [] {
return table;
}();

namespace {
thread_local std::vector<int> copyloopMap;
thread_local std::vector<int> scanloopMap;
thread_local std::vector<uint8_t> scanloopClrMap;
} // namespace

template <typename CellT, bool Dynamic, bool Term, bool Sparse>
int executeImpl(std::vector<CellT>& cells, size_t& cellPtr, std::string& code, bool optimize,
int eof, MemoryModel model, bool adaptive, size_t span, goof2::ProfileInfo* profile,
Expand All @@ -744,13 +750,13 @@ int executeImpl(std::vector<CellT>& cells, size_t& cellPtr, std::string& code, b
&&_SCN_CLR_RGT, &&_SCN_CLR_LFT, &&_END};

int copyloopCounter = 0;
std::vector<int> copyloopMap;
copyloopMap.clear();
copyloopMap.reserve(code.size() / 2);

int scanloopCounter = 0;
std::vector<int> scanloopMap;
scanloopMap.clear();
scanloopMap.reserve(code.size() / 2);
std::vector<uint8_t> scanloopClrMap;
scanloopClrMap.clear();
scanloopClrMap.reserve(code.size() / 2);

if (optimize) {
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