Re: [Quantlib-dev] Performance hit of QL_REQUIRE

[Luigi B. <lui...@gm...>]

Hi Francois,
    I didn't notice any particular slowdown. Then again, as you
say, QL_REQUIRE is a macro in the C++ library. On the happy path, the cost
is just the evaluation of the condition.

Luigi


On Wed, Nov 26, 2014 at 2:54 PM, Francois Botha <ig...@gm...> wrote:

> Hi,
>
> It seems since v1.0.0 a lot of QL_REQUIRE statements were added. Do you
> have any idea of how that impacted on the performance, if any?
>
> A user of the QLNet version noticed a big impact, but in QLNet we use a
> normal function, and not a macro, so the impact is somewhat expected
> (parameter values are evaluated whether or not the condition holds).
>
> I'm curious as to whether any impact was noticed in QuantLib.
>
> See discussion at https://github.com/amaggiulli/qlnet/issues/40
>
> thanks
> Francois Botha
>
>
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