Re: Seeking Endorsement: Boost.int128

Matt Borland via Boost <[email protected]>
Newsgroups gmane.comp.lib.boost.devel
Message-ID <IPuQkqN-iolKiHj4FYbS9LwqxInVTO2rOew9nu2UyA1tbWPkUDiHUMuY6DLkY_xci6XNEQaoL4_yH6LBSZNCkdD8NVTqyRs46hlNJq4Y_d8=@mattborland.com>



On Tuesday, April 28th, 2026 at 4:04 PM, Peter Dimov via Boost <[email protected]> wrote:

> Matt Borland wrote:
> > Dear All,
> >
> > I am seeking endorsement for review of my library int128 [1]. The library
> > requires only C++14, is header only, and has no mandatory dependencies.
> > What does int128 provide? Two portable and performant types: a 128-bit
> > signed integer and a 128-bit unsigned integer, as well as a standard library for
> > them. The performance of these types have been tuned and tested on a
> > variety of architectures to include: x64, x32, s390x, ARM64, ARM32, PPC64LE.
> > Both of the types and most of their library functions also work inside CUDA
> > kernels. Benchmarks against Boost.Multiprecision, Absl, MSVC's software 128-
> > bit integers, and built-ins, are available [2].
> 

> I endorse this library.
> 


Thank you Peter. Arnaud Bechler has graciously offered to manage the review, so we will get this on the calendar in short order.

Matt

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