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-rw-r--r--src/script/script.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/script/script.h b/src/script/script.h
index 711ffa97f8..587f2d26eb 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -377,6 +377,12 @@ private:
int64_t m_value;
};
+/**
+ * We use a prevector for the script to reduce the considerable memory overhead
+ * of vectors in cases where they normally contain a small number of small elements.
+ * Tests in October 2015 showed use of this reduced dbcache memory usage by 23%
+ * and made an initial sync 13% faster.
+ */
typedef prevector<28, unsigned char> CScriptBase;
/** Serialized script, used inside transaction inputs and outputs */