| From: | Xavier Messersmith |
| Date: | 18 Jan 2000 at 00:50:01 |
| Subject: | Re: Executive |
From: Xavier Messersmith <xcaliber@xav.to>
On 17-Jan-00, JmW wrote:
> Off-topic? (Don't know).
Depends, is it happening under WB3.5? :-)
> Can anyone tell me if there is an ML anywhere for the 'Executive' task
> scheduler that many of us use?
Actually, for the moment I'm not using Executive because (subtle hint to
development team) I STILL HAVE THAT FREEZING BUG (end subtle hint to
delvelopment team) and I'd like to be able to clearly see any bugs that might
arise from Executive's use. Especially now that it may be patching into
already well patched functions...
> If it is OK, which 'schedulers' seem to perform best under OS3.5?
> Does it depend on the type of duty, the mix of system and application
> software, etc.?
The main goal is to keep tasks that depend on each other at similar relative
priorities. Otherwise the whole system might be limping about on the
trickle-down theory of CPU availability.
> Can anyone give any examples of what works best in which situations?
Its best to find a general solution and then expand from there. There are
several factors that occur in each system, it isn't wise IMO to try to shove
every possibility into its own "situation".
> Unfortunately, the program docs, though superb in every other way, offer
> v.little guidance on how to get the best out of it.
Remember that Executive is nearing a good three years of age.
> /In particular/, is there an optimum setup for Executive to get the very
> best out of the FBlitz/WbCtrl combination under AGA?
WBCtrl just filps a few config bits of the OS and disappears, Executive
typically deals with programs that run for a period of time.
If FBlit leaves a task then odds are you'll want to offer it a high priority.
Hopefully it would default to a priority above your scheduling catch range.
> Final question. Slightly odd thing. My folder, "Main:@downloads", has
> maybe 50 or 75 files in it. (I put an "@" in the filename to make it appear
> at the top of a file requester list).
Why don't you use DiskMaster2? Theres a link to the main site at www.xav.to.
> I have the display mode set to SHOW
> ALL and VIEW BY NAME. When I double-click the folder, it opens with a file
> list. But it takes ages. This doesn't surprise me, given the number of
> files. What did surprise me, though, was when I booted up to a
> rock-bottom-minimum system the other day (nothing non-essential either
> loaded or running). I double-clicked this folder and, /BAM/, it opened
> before I knew it.
>
> Why? Why should all my system tweaks make this /slower/? Is there
> something in Executive that is incorrectly set up?
It may well be something else. Due to the nature of all those patches and
hacks, its no surprise something could cause slowdowns.
The procedure I use is to narrow down what patches might be causing this is to
disable half of all the current patches and try the operation in question, do
the other half if it doesn't work, narrow it down. etc etc...
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