Date: Wed, 21 Aug 1996 00:45:39 +1000 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@freefall.freebsd.org, kuku@gilberto.physik.rwth-aachen.de Subject: Re: max math performance - how? Message-ID: <199608201445.AAA32287@godzilla.zeta.org.au>
next in thread | raw e-mail | index | archive | help
>I digged out a scientific test I compiled some time back in 386bsd times. >At that time I hacked around with different libms and I had a binary >lying around (statically linked) which outperforms every newly linked >version of that benchmark. (It is a bunch of fortran programs, the >so called 'Lund' benchmark from Lund University - a program that >physicists are mainly interested in seeing perform fast). >Now I have no idea what I did at that time - maybe I took some >early verrsion of the libmsun or was there something different >in 386bsd days (Bruce?) 386BSD used libm, which is slow. -current uses msun, which is slower, except possibly if it is compiled with option HAVE_FPU. Bruce
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199608201445.AAA32287>