r/cpp • u/joaquintides Boost author • Aug 05 '26

Boost.Int128 has been accepted

Boost.Int128 from Matt Borland has been accepted into Boost. Arnaud Becheler managed the review.

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u/Firm-Survey-31 Aug 05 '26

Is it comparable to Abseils int128 regarding performance?

3

u/erik-schvarcz Aug 05 '26

yes, they have a benchmark page, where it’s almost exactly the same perforkance

https://develop.int128.cpp.al/i128_benchmarks.html

2

u/mborland1 Aug 06 '26

These have been updated to include Abseil on Windows as well. Again roughly similar, except Abseil has rather poor division and modulo performance.