Date: Mon, 29 Jun 2020 20:15:40 +0200 From: Markus Wichmann <nullplan@....net> To: musl@...ts.openwall.com Subject: Re: Posits support under Musl libc? On Mon, Jun 29, 2020 at 06:26:42PM +0200, Szabolcs Nagy wrote: > i would not hold my breath for posit support even if it was the > best possible floating-point format. > > it has to be properly standardized and added to hw architectures. > > then the related software standards need to be developed (abi, > programming language support, math library behaviour for special > cases, printf format specifiers, etc) > > then the tooling support has to be added (compilers, emulators, > softfloat libraries, etc) > > then we can come back and consider doing something about it in > musl. > > (and even then it will take time for it to be usable in user > code: requires widely deployed hw, protocol and file format > updates, new algorithm designs and review of existing algorithms > for compatibility) In addition, Posit support is going to run into the problem that IEEE 754 implementations are readily available /right now/ and are "good enough" for most applications. Hell, most applications don't even require floating-point at all. The good can sometimes be the enemy of the perfect, but here I am squarely on the side of pragmatism. Ciao, Markus
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.