Author: Alex Gaynor <[email protected]>
Branch:
Changeset: r66705:a8c20c575491
Date: 2013-08-30 16:23 -0700
http://bitbucket.org/pypy/pypy/changeset/a8c20c575491/
Log: Unroll dict.keys() when the length is known and small.
diff --git a/pypy/objspace/std/dictmultiobject.py
b/pypy/objspace/std/dictmultiobject.py
--- a/pypy/objspace/std/dictmultiobject.py
+++ b/pypy/objspace/std/dictmultiobject.py
@@ -433,6 +433,8 @@
def get_empty_storage(self):
raise NotImplementedError
+ @jit.look_inside_iff(lambda self, w_dict:
+ w_dict_unrolling_heuristic(w_dict))
def w_keys(self, w_dict):
iterator = self.iterkeys(w_dict)
result = newlist_hint(self.length(w_dict))
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