K6-II+, persistent strange test results of glibc-2.2.3
Ulrich Drepper
drepper@redhat.com
Sat Apr 28 10:08:00 GMT 2001
Byeong-ryeol Kim <jinbo21@hananet.net> writes:
> is: -2.48292386531829833984e-01 -0x1.fc80b800000000000000p-3
> should be: -2.51362651586532592773e-01 -0x1.01653600000000000000p-2
> difference: 3.07026505470275878906e-03 0x1.926d0000000000000000p-9
> ulp : 103021.0000
> max.ulp : 1.0000
> Maximal error of `yn'
> is : 103021.0000 ulp
> accepted: 3.0000 ulp
This normally would suggest that the compiler is broken and you should
use a better one.
If you say that running the same binary produces different results
(and since this is not the case anywhere else) it's either a kernel or
a CPU problem. AMD's FPU is lousy and I wouldn't be surprised at all.
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