Sun 4/110 FPU

[Paul V. O'Neill]

>Ruth Milner (v7n114) reports all Sun 4's come with FPU's.

Sorry, this is totally wrong.  FPU for a 4/110 is optional and simulation
of a missing FPU is in the kernel (which is why you don't have any -fxxx
options.)

To see if you have an FPU installed:

"time program_name"

Assuming program_name has a lot of floating point calculations, it will
run very slowly (about 20-90 times slower than a 3/50 w/ 68881) and time
will report tons of system time if you don't have an FPU.  If you do have
an FPU, it will scream and system time will be ~0.0.

See sun-spots v6n217, v6n222, v6n235, v6n279

Paul O'Neill                 pvo at oce.orst.edu
Coastal Imaging Lab
OSU--Oceanography
Corvallis, OR  97331         503-754-3251