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Re: DECstation 2100 floating point
> > I tried pkgsrc/benchmark/flops on NetBSD/cobalt 5.99.44 and
> > it shows a bit strange result:
>
> That's odd, on my RaQ 2, running NetBSD/Cobalt 5.0.2, with flops
> installed from pkgsrc, I get normal-looking results:
:
I tried it again on the same machine and now it shows sane results:
---
# ./flops
FLOPS C Program (Double Precision), V2.0 18 Dec 1992
Module Error RunTime MFLOPS
(usec)
1 -4.6896e-13 0.4897 28.5902
2 2.2160e-13 0.2482 28.2060
3 -6.9944e-15 0.4963 34.2511
4 -9.7256e-14 0.4762 31.4990
5 -1.6542e-14 0.7981 36.3357
6 4.3632e-14 0.5903 49.1282
7 -4.9454e-11 0.8182 14.6667
8 7.2164e-14 0.6235 48.1187
Iterations = 32000000
NullTime (usec) = 0.0000
MFLOPS(1) = 29.9332
MFLOPS(2) = 24.8230
MFLOPS(3) = 34.0147
MFLOPS(4) = 41.6230
#
---
Probably flops might have some bugs (uninitialized variable etc?)
and we should also check other programs...
---
Izumi Tsutsui
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