Lint.jl is also good for checking that, depending on how much time you want
to spend learning to read the output of code_typed.

On Sat, Sep 13, 2014 at 3:27 PM, Elliot Saba <staticfl...@gmail.com> wrote:

> A good way to track down performance issues like this is to use
> @code_typed to output the typed code in your function and look for places
> where type inference doesn't know what to do; e.g. large type unions, Any
> types, etc....  This is often caused by a variable taking on multiple
> separate types over its lifetime within the function and can cause
> slowdowns inside inner loops.
> -E
>
> On Sat, Sep 13, 2014 at 1:13 PM, Noah Brenowitz <nbre...@gmail.com> wrote:
>
>> now i am pretty impressed.
>>
>> On Saturday, September 13, 2014 4:12:07 PM UTC-4, Noah Brenowitz wrote:
>>>
>>> I just replaced u = u0, with u = complex128(u0) in the julia code. Now
>>> it is only 2x as slow as fortran.
>>>
>>
>

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