Hi,
I've been experimenting with sagemathcloud, and it is seems faster than my
macbook (on something like factorial(10000) for example), which is great.
However I have one weird example that takes 134ms on my machine, and 5s on
sagemathcloud (5 whole seconds!). I haven't worked out a minimal example
yet (it's a complicated one...), but the results of %prun may be enough for
some of you:
on my machine the first line is
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.111 0.111 0.149 0.149
<ipython-input-1-0fa4c7b06789>:61(poly_kernel)
(poly_kernel is some function I wrote, involving groebner bases, here over
ZZ)
on the cloud the first lines up until this one are:
ncalls tottime percall cumtime percall filename:lineno(function)
1064 1.822 0.002 5.888 0.006 {map}
428850 0.707 0.000 0.994 0.000 sre_parse.py:793(expand_template)
46405 0.705 0.000 2.068 0.000 {method 'sub' of
'_sre.SRE_Pattern' objects}
428850 0.276 0.000 1.269 0.000 re.py:277(filter)
857700 0.163 0.000 0.163 0.000 {method 'group' of
'_sre.SRE_Match' objects}
428852 0.124 0.000 0.124 0.000 {method 'join' of 'str' objects}
46409 0.091 0.000 0.118 0.000 re.py:226(_compile)
46405 0.056 0.000 2.242 0.000 re.py:144(sub)
1 0.053 0.053 0.071 0.071
<ipython-input-1-106a9daa0b7e>:113(poly_kernel)
I don't understand these functions at all, I have to say (re.py???)
This is in a jupyter notebook.
Thanks !
Pierre
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