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SF patch #910929: Optimize list comprehensions

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Add a new opcode, LIST_APPEND, and apply it to the code generation for
list comprehensions.  Reduces the per-loop overhead by about a third.
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Raymond Hettinger 2004-03-07 07:31:06 +00:00
parent bff63f0343
commit dd80f76265
6 changed files with 20 additions and 3 deletions
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Lib/opcode.py
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@ -56,6 +56,7 @@ def_op('UNARY_CONVERT', 13)
def_op('UNARY_INVERT', 15)
def_op('LIST_APPEND', 18)
def_op('BINARY_POWER', 19)
def_op('BINARY_MULTIPLY', 20)