pandas-dev/pandas (original) (raw)

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Perf regression in 0.13+ for df.apply #6013

Description

On this page:
http://pandas.pydata.org/pandas-docs/stable/enhancingperf.html#enhancingperf

Right after In[11]: displays timing results, the text suggests we have seen a 10x speedup compared with the original code. It looks like the original code runs in 336ms/loop. And the code executed in In[11] executes in 105ms/loop.

So only 3x speedup, right?

(Edit) And then later on, after In[14], the text suggests a 3x speedup but that run seems to take execution from 105ms/loop down to 2.5ms/loop = 40x speedup...