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Speed up FullStepRow index comparison by leveraging big-endian byte layout

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Jack Grigg
2016-06-09 18:02:29 +12:00
parent 1dd8ce9ba5
commit d07cf62991
2 changed files with 5 additions and 3 deletions
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src/crypto/equihash.h
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@@ -80,7 +80,7 @@ public:
FullStepRow(const FullStepRow<W>& a, const FullStepRow<W>& b, size_t len, size_t lenIndices, int trim);
FullStepRow& operator=(const FullStepRow<WIDTH>& a);
inline bool IndicesBefore(const FullStepRow<WIDTH>& a, size_t len) const { return ArrayToEhIndex(hash+len) < ArrayToEhIndex(a.hash+len); }
inline bool IndicesBefore(const FullStepRow<WIDTH>& a, size_t len, size_t lenIndices) const { return memcmp(hash+len, a.hash+len, lenIndices) < 0; }
std::vector<eh_index> GetIndices(size_t len, size_t lenIndices) const;
template<size_t W>