Subject: Re: Software Floating Point for MPC821/823/860
To: None <>
From: Chris G. Demetriou <>
List: tech-kern
Date: 04/04/2000 10:34:46
Jason R Thorpe <> writes:
> It also turned out that the softfloat-in-libc turned out to be a fair bit
> faster than kernel fp emulation for *statically linked* binaries, but MUCH
> much slower for *dynamically linked* binaries.  Obviously, the performance
> of kernel fp emulation is the same for statically linked or dynamically
> linked binaries.

Has anyone characterized why this is?

It's ... very counterintuitive, at least to me, that a couple of
branches would be slower than a kernel trep...

Chris Demetriou - -
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.