[CMake] Benchmarking with CMake

[Alexander Neundorf]

On Friday, November 13, 2015 14:41:35 Nagy-Egri Máté Ferenc via 
CMake wrote:
> Thank you all for your resonses,
> 
> My use case is that I have a set of executables that function as unit 
tests.
> Currently I use the return value of the .exe as a means of indicating
> success, though I know there is way to match std::cout against a 
regex for
> more complex tests. However, the timings of the tests are not always
> suitable for benchmarking, because I only want the timings of a 
particular
> part of the tests. Their initialization times are comparable to their
> runtimes. While I could tune a parameter so that the init phase is
> negligable, but then benchmarking would take for ages. I want to write
> benchmark executables (similar to unit tests) that write a single 
number to
> the console and nothing else. Run some command (make bench?, 
cbench?) which
> runs, these tests, fetches the sole number from the std::cout and 
prints
> those numbers as output instead of the total run time presented by 
ctest.
> 
> @Peter: I also encountered Google Benchmark. I have already seen 
it’s output
> and is perfectly fine. I am however a bit reluctant to grab another
> dependency that all my consumers would be advised to install. 
CMake is a
> fairly full blown suite and I was hoping to find something that could
> provide similar results.
> 
> @Matt: Seems nice. Python is not much a dependency, but VTK is 
less evident
> to be present on all machines.
> 
> @Alexander: I still have to look into this, because information seems a
> little scarce on doing it. It seems to me, that CDash has to be installed
> somewhere to be able visualize the data. 

Yes.

> Is there a way to generate the
> HTML-r for local consumption instead of submitting somewhere? 
(Ideally
> bypassing a local installation of CDash)

I don't think so.

Alex

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