CompuServe Messages

the only problem I'm finding with 040 on my 2000 is the floating point software used to emulate transcendental functions which exist in hardware on the 881/882 are quite slow (at least slower than they should be, though they may be modified for faster speed any time now …) – but it isn't the speed penalty for transcendentals which bugs me as much as another aspect thereof. I find that when running a ton of transcendentals (sin , log, etc) that these emulation routines apparently do some sort of 'forbid' on the Amiga and multitasking goes to he**, I mean the mouse even moves very slow and jerky. either they are doing a forbid (blocking task switching) or else some sort of 'interrupt kill'. Anyway it's the only weak point I've found. I have a sort of sysinfo program and it works under PP&S's system fine. What I really LOVE about my 040 is its SPEED! It is about 6x faster than a 25mhz 882 doing my new FractalPro5.0 Mandelbrots, etc. One Mandelbrot Set which takes about 15 minutes on a 25mhz coprocessor takes 2min, 7sec on my 040. That's FAST! It's a fair test since most of the time is in the Mandelbrot loop, not drawing pixels. PP&S told me that mapping the kickstart into 32-bit ram isn't nearly as effective on the 040 as it is on the 030 since the MMU pages on the 040 are much smaller than on the 030. At least that's how I understood what they said. Which 040 are you using? I LOVE my PP&S! It SCREAMS! BTW that same Mandelbrot pic took 76 minutes on my 16mhz 020 with the older integer version of FractalPro (the 4.0 version) and 45 min on a 25mhz GVP030. In integer it took 16min on my 040 and now it is only 2min using 040 floating point. Love it. What used to be a week's work doing a 500 pic mandelbrot animation is down to a few hours. I'm a happy camper, to be sure.