CAD CAM EDM DRO - Yahoo Group Archive

Re: EHP.. Any comments on micro Throughput

Posted by James Eckman
on 2000-02-05 07:42:13 UTC
> Date: Fri, 4 Feb 2000 09:28:47 -500
> From: daveland@...
>
> Nobody commented on the math Throughput benchmarks I did on the PC and a microcontroller.

Missed it...

> I was thinking that someone would show me that high math throughput is not
> required. I know old time CNC had 8080 CPU's and it did this stuff. I'm sure
> floating point math took 100's of us or Milliseconds on those CPU's. So I guess
> they used integer math and "picked" some good assumptions for their controls.

Yes, and we also precalculated the moves so it wasn't done while
running. Cheater trick #2!

> Stepper system first
> They must have been creative and used integer math. I guess that 32bit integers

With units in steps. Doesn't work well with microsteppers though ;)
Don't do this on Windows 95 or later, it has a tendency to sleep for
long periods and you can't shut it up without crashing it.

Jim Eckman

Discussion Thread

daveland@n... 2000-02-04 06:28:47 UTC EHP.. Any comments on micro Throughput Ted Robbins 2000-02-04 08:41:15 UTC Re: EHP.. Any comments on micro Throughput Jon Elson 2000-02-04 12:45:08 UTC Re: EHP.. Any comments on micro Throughput James Eckman 2000-02-05 07:42:13 UTC Re: EHP.. Any comments on micro Throughput Jon Elson 2000-02-05 21:07:04 UTC Re: Re: EHP.. Any comments on micro Throughput James Eckman 2000-02-06 09:46:15 UTC Re: Re: EHP.. Any comments on micro Throughput