diff --git a/semantic_version/base.py b/semantic_version/base.py
index 871ccb0..cedbe46 100644
--- a/semantic_version/base.py
+++ b/semantic_version/base.py
@@ -563,14 +563,17 @@ def __hash__(self):
         return hash((self.kind, self.spec))
 
 
+@functools.lru_cache()
 def compare(v1, v2):
     return Version(v1).__cmp__(Version(v2))
 
 
+@functools.lru_cache()
 def match(spec, version):
     return Spec(spec).match(Version(version))
 
 
+@functools.lru_cache()
 def validate(version_string):
     """Validates a version string againt the SemVer specification."""
     try: