David Chelimsky wrote:
Hey all,
I'm looking for ways to optimize rspec and came upon something
interesting. If I remove handling for auto-generated descriptions (the
thing that allows you to say "specify { 5.should == 5 }" with no
description string) we get an average 35% performance increase per
expectation. 35%. That's huge.
So - how bad do you think this would suck to remove that feature? Are
you using it yourself?
All thoughts welcome.
Thanks,
David
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David,
I personally like that feature, but I honestly don't find myself using
it too much. 35% is a lot.
One suggestion would be to keep the functionality but move it to a
different keyword so that the common "it"/"specify" case is made
faster. That way we could have our cake and eat it too. I'm not too
sure on what keyword could be used though. "Expect" comes to mind but I
think that is because of Jay Fields expectations framework. Which, BTW,
if we added support for that to coexist within rspec example groups then
the need for rspec to support the feature natively would diminish. So
that is another option that may be worth investigating.
Could you maybe post the diff of your changes to turn off that feature?
I'd be interested in seeing how much speed improvements I get with my
slower spec suites.
Thanks,
Ben
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