Re: [boost] [Boost-announce] [review][Fit] Review of Fit starts today : September 8 - September 17

Subject: Re: [boost] [Boost-announce] [review][Fit] Review of Fit starts today : September 8 - September 17
From: paul (pfultz2_at_[hidden])
Date: 2017-09-21 20:53:22

On Thu, 2017-09-21 at 13:10 -0700, Robert Ramey via Boost wrote:
> On 9/21/17 12:23 PM, paul via Boost wrote:
> 
> > 
> > > 
> > > > 
> > > > Â Â - What is your evaluation of the implementation?
> > > I think there are too many macros internally, but I think its mostly to
> > > work around compilers. So its about average for a boost library.
> > Well macros are used to help improve compatibility, and improve compile-
> > time
> > performance where possible(ie using intrinsics over type traits).
> Hmmm - I didn't catch this.  I had presumed that macros were used 
> because there was no other way to implement the required functionality. 
> I don't think that saving a little bit of compile time is a good 
> justification for defining a macro.

Its about 50-60% faster on clang. Hana uses similar intrinsics where possible.
Ideally, it would be nice to have these in a separate library, so these macros
 can be easily used in more libraries.

.