8 Feb
2003
8 Feb
'03
8:25 p.m.
On Sat, Feb 08, 2003 at 11:55:00 +0100, David Olofson wrote:
On Saturday 08 February 2003 13.17, Steve Harris
wrote:
[...brachless clamp...]
Its not even an FPU op if you turn of the gcc optimisations, its just a
bitmask.
Its not an instruction its just a bit of maths
using fabs().
Yes, of course! I keep forgetting that fabs() is an FPU operation. :-)
(Life's not that nice with ints on most CPUs...) If you want to make sure you *cannot* overload the CPU
with the
current net, just have the host test it by turning all silent buffers
into cleared non-silent buffers.
Varying CPU load is not a problem in RT systems, but non-determinism
is. They may look confusingly similar from a practical POV, but
they're different things.
I suspect (but have no intention of finding out) that suddenly waking up a
large subnet will have large chace effects too, so it wont be a case of
just the CPU load varying.
- Steve