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Topic: Can you profile compiled code?
Replies: 1   Last Post: Jan 20, 2013 1:25 AM

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Posts: 1,416
Registered: 4/8/06
Re: Can you profile compiled code?
Posted: Jan 20, 2013 1:25 AM
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On 2013-01-19 06:13:44 +0000, said:

> I am trying to profile some compiled code using Workbench but I don't
> seem to be able to get any timing data for the lines inside my compiled
> function. Do I need to set an option or will Profile[] automatically
> generate data for the compiled function?
> I apologize if there is a readily available source that answers my
> question (I Googled and looked through the Workbench documentation),
> but I couldn't find one.

I am not aware of any way to profile the innards of a byte-code
compiled function (which doesn't mean that there ins't a way…)

But if you compile to C (not byte code), technically yo could use a
profiler for C to get some information about what needs to be sped up.
I expect it'll take some work to figure out how to profile such a
function effectively, as the code is generated and loaded into the
kernel by default. You could split the function off and call it from a
separate program (not the kernel) to profile it more easily. I have
never done this personally.

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