Differential D3011 Diff 8580 src/script/sigcache.cpp

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src/script/sigcache.cpp

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	* in CachingTransactionSignatureChecker::VerifySignature. We initialize			* in CachingTransactionSignatureChecker::VerifySignature. We initialize
	* signatureCache outside of VerifySignature to avoid the atomic operation per			* signatureCache outside of VerifySignature to avoid the atomic operation per
	* call overhead associated with local static variables even though			* call overhead associated with local static variables even though
	* signatureCache could be made local to VerifySignature.			* signatureCache could be made local to VerifySignature.
	*/			*/
	static CSignatureCache signatureCache;			static CSignatureCache signatureCache;
	} // namespace			} // namespace

	// To be called once in AppInit2/TestingSetup to initialize the signatureCache			// To be called once in AppInitMain/BasicTestingSetup to initialize the
				// signatureCache.
	void InitSignatureCache() {			void InitSignatureCache() {
	// nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,			// nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero,
	// setup_bytes creates the minimum possible cache (2 elements).			// setup_bytes creates the minimum possible cache (2 elements).
	size_t nMaxCacheSize =			size_t nMaxCacheSize =
	std::min(std::max(int64_t(0), gArgs.GetArg("-maxsigcachesize",			std::min(std::max(int64_t(0), gArgs.GetArg("-maxsigcachesize",
	DEFAULT_MAX_SIG_CACHE_SIZE)),			DEFAULT_MAX_SIG_CACHE_SIZE)),
	MAX_MAX_SIG_CACHE_SIZE) *			MAX_MAX_SIG_CACHE_SIZE) *
	(size_t(1) << 20);			(size_t(1) << 20);
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