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munro/speed.py

Created December 14, 2011 20:12
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Lambda Speed Comparison
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speed.py
import timeit
print 'Lambda: %f' % timeit.Timer('fn = lambda x: x * x\n'
'map(fn, xrange(10))', 'gc.enable()').timeit()
print 'Named function: %f' % timeit.Timer('def fn(x): return x * x;\n'
'map(fn, xrange(10))', 'gc.enable()').timeit()
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munro commented Dec 14, 2011

✲ python speed.py
Lambda: 2.083640
Named function: 2.083197

why is this so slow!?

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