[comp.arch] PARANOIA

levy@ttrdc.UUCP (Daniel R. Levy) (01/06/89)

In article <350@loligo.fsu.edu>, mccalpin@loligo.fsu.edu (John McCalpin) writes:
> I recently ran the PARANOIA floating-point validation test on a wide
> variety of machines, and found precisely ONE that passed all the
> tests.  I later found two more, out of about 15 machines/vendors
> tested. The Sun workstations, HP workstations, and MIPS machines passed
> OK.

The AT&T 3B20 also passes PARANOIA (single precision is "Excellent", double
precision "Satisfactory" [it doesn't chop or round sqrt() correctly]).
But it's a slow machine, only about 0.8 mips.

-- 
Daniel R. Levy             UNIX(R) mail:  att!ttbcad!levy
AT&T Bell Laboratories
5555 West Touhy Avenue     Any opinions expressed in the message above are
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