I use OS4.1 Classic in WinUAE. With CyberstormPPC emulation, I can have only 128 MB RAM (+ Z3 SWAP that doesn´t work reliably).

I removed unused drivers from kick-layout, but still only 66 MB free Fast RAM remains after startup (or 74 MB when booting without WBStartup). What else could I do to increase amount of free RAM?

Odyssey would like as much RAM as possible for more than 2 tabs.

@pavlor

yeah, the RAM constraint kills the fun for me. if you want to use a browser, i highly recommend netsurf. or even the old ibrowse.

-- eliyahu

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@eliyahu

Odyssey is useable (as fast as NetSurf and with smoother page scrolling) - I reduced number of active connections (from 16 to 2) and stability improved. I can now browse two light pages at once (like Wikis). I think with more connections, Fast RAM is depleted faster (?). A2065 ethernet driver could also be source of this problém. All without WBStartup.

@pavlor

WTF for? You're using it on a system with better browsers available that run at full speed (allowing for bloat and os overhead) with no limitations on numuber of tabs, how much crap the pages load etc. WinUAE as far as OS4 is concerned is a toy, trying to use odyssey on 74mb of ram or less is stupid, the exe itself is over 62mb leaving 16mb or 4mb for webpages and keep the system ticking over.

If you really want to do it then...

Delete everything in envarc:sys/
Set screenmode prefs to use 800x600x8 screen.
set font prefs to use small bitmapped fonts
comment out iprefs, assign T: & clipboards: to a partition
reboot without startup
open sdyssey on workbench
sit back and enjoy it's uglyness...

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@Severin

Quote:

WTF for?

OS4 Rocks

Quote:

WinUAE as far as OS4 is concerned is a toy

I like this new toy. Memory limitation is severe, but other thant that - it is fast, stable and portable (unlike platforms supported by OS4). One of my OS3 applications (eyangband) even works better on OS4 than on OS3.x!

Quote:

the exe itself is over 62mb

Odyssey requires 55 MB for itself.


Quote:

Delete everything in envarc:sys/

1.5 MB on HDD (not in RAM disk like on OS3 - these are loaded to RAM?)

Quote:

Set screenmode prefs to use 800x600x8 screen.

+2 MB.

Quote:

set font prefs to use small bitmapped fonts

No visible change.

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comment out iprefs, assign T: & clipboards: to a partition

These are already small.

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reboot without startup

Odyssey will not start without s-s (DSI).

Quote:

open sdyssey on workbench

That is what I do (not much choice with 4 MB GFX RAM).

Quote:

sit back and enjoy it's uglyness...

Thanks for input. However, +2 MB is too few to do such radical visual change.

Removing USB support (not needed in WinUAE...) gives nearly 1 MB RAM.

Removing diskimage.device drivers from DOSDrivers gives nearly 5 MB (!!!!) RAM.

I use "Ultra-Classic" theme - nice and clean and gives another 2 MB RAM.

Now 74 MB free Fast RAM remains after startup (or 82 MB when booting without WBStartup). I think this is the best I can get.

@pavlor
os4 was always a memory hog. there was countless threads about how to spare one or two mb ram here and there but people eventually realized that it wont matter much and have given up. you might search a1k for that, but you need to dig deeper, i have not seen such a thread since a while. i wonder how many of those buying os4fe for uae now are aware of this rather forgotten fact that may influence their consumer satisfaction.

funny, that for instance aros in its unoptimized state takes about full 7 mb to boot to wanderer (1024x768, default decoration) and aros owb takes another 25mb to load.

Last edited by wawa on 22-Dec-2014 at 01:05 PM.

@wawa

Well, I managed to get more than 10 MB.

Quote:

i wonder how many of those buying os4fe for uae now are aware of this rather forgotten fact that may influence their consumer satisfaction.

In nearly every WinUAE/OS4 thread there is caveat about memory limitations. If Hyperion wants more satisfied emulation customers, they simply can turn on Z3 RAM.

Quote:

realized that it wont matter much and have given up.

Every MB matters. Now, I´m able to use Odyssey even with WBStartup programs (for simple Wiki-like pages).

@wawa

Yes, that is so funny Hahaha...

@pavlor

Quote:

Quote: Delete everything in envarc:sys/ 1.5 MB on HDD (not in RAM disk like on OS3 - these are loaded to RAM?)

AFAIK the point isn't so much to reduce memory usage from the files themselves but to disable the AmigaOS 4.x GUI theme system so it will go back to the default AmigaOS 3.0/3.1 look.

This can also be done by opening the various prefs programs, selecting reset to default settings from the menu and saving.

@salass00

Quote:

This can also be done by opening the various prefs programs, selecting reset to default settings from the menu and saving.

Already done (see above) - +2 MB RAM (well my own theme is even less memory hungry than your default settings - and looks more "classic" ).

As I wrote, 82 MB is maximum I can get. It is enough for most applications (Odyssey and QT apps being notable exceptions).

So I take it that AddMemList() is somehow no longer supported under OS4.1?

Because otherwise it would be reasonably trivial to add the Z3 ram (and/or any other RAM that WinUAE might be patched to provide in the PPC's memory space) to the system memory pool with a tiny utility...

@umisef

Quote:

So I take it that AddMemList() is somehow no longer supported under OS4.1?

It is turned off by default - OS4 can use this RAM only as SWAP (AddMemList() is not solution there). Change must be done in OS4 Kernel (trivial - they betatested this option already).

@umisef

Quote:

umisef wrote: So I take it that AddMemList() is somehow no longer supported under OS4.1? Because otherwise it would be reasonably trivial to add the Z3 ram (and/or any other RAM that WinUAE might be patched to provide in the PPC's memory space) to the system memory pool with a tiny utility...

Well, sure, we tested this during OS4.1 Classic (and FE) development. Mind you, this was all done BEFORE WinUAE supported PPC - Toni Wilen even said a couple years ago PPC would never be supported...

As I'm sure you know, motherboard and Zorro 3 ram (on real hardware) is on the order of 10X slower than accelerator ram. The system absolutely crawls with this motherboard or Zorro 3 memory as main memory - the PPC is starved, and it's way to slow to be usable.

Now, with WinUAE that wouldn't be an issue. If you can write a patch I'm sure that would be very much appreciated by all the WinUAE users :)

Last edited by HammerD on 22-Dec-2014 at 02:16 PM.

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@pavlor

Quote:

os4 was always a memory hog. there was countless threads about how to spare one or two mb ram here and there but people eventually realized that it wont matter much and have given up. you might search a1k for that, but you need to dig deeper, i have not seen such a thread since a while. i wonder how many of those buying os4fe for uae now are aware of this rather forgotten fact that may influence their consumer satisfaction. funny, that for instance aros in its unoptimized state takes about full 7 mb to boot to wanderer (1024x768, default decoration) and aros owb takes another 25mb to load.

@pavlor Good on ya mate! 10mb is heaps, we always remind ourselves 'Dont feed the trolls' but no-one ever adds 'and dont listen to em either' - Though, ive gotta say, if there wasnt some sort resistance, I dont think amiga users would be around to this day! One needs resistance to survive and grow! (otherwise the gym wouldnt work on muscles)
@wawa
So keep on spewing negatives, whinging bitching and complaining wawa! Et al. If we didnt have you there as resistance, we wouldnt be around to this day! ;)

Last edited by Barana on 23-Dec-2014 at 03:56 AM.

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@pavlor

Quote:

Quote: reboot without startup Odyssey will not start without s-s (DSI).

Sorry, typo, reboot without wbstartup, hold down left shift while booting.

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X1000 beta tester, Sam440 Flex (733)

Visit the Official OS4 Support Site for more help.

It may be that your sole purpose is to serve as a warning to others.

@Severin

Quote:

Sorry, typo, reboot without wbstartup, hold down left shift while booting.

Left alt is better choice in WinUAE (left shift opens some PicassoIV menu at startup).

@pavlor

Is not BlizzardPPC an option, it allows 256MB RAM? And why does not WinUAE allow alot more memory than the physical boards? I find that wierd.

I can imagine that swap does not work well. It never did in my experience unfortunately.

Last edited by Deniil715 on 23-Dec-2014 at 07:15 PM.

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@Deniil715

Quote:

Is not BlizzardPPC an option, it allows 256MB RAM?

Blizzard603e emulation is broken (too sloooooow).

Quote:

And why does not WinUAE allow alot more memory than the physical boards? I find that wierd.

That is OS4 limitation. I can use eg. 512 MB Z3 RAM under OS3, OS4 uses Z3 RAM only as SWAP (it was too slow to be useable as RAM on real hardware).

Quote:

I can imagine that swap does not work well. It never did in my experience unfortunately.

Exactly my experience.

@pavlor

Quote:

pavlor wrote: @Deniil715 Quote: Is not BlizzardPPC an option, it allows 256MB RAM? Blizzard603e emulation is broken (too sloooooow). Quote: And why does not WinUAE allow alot more memory than the physical boards? I find that wierd. That is OS4 limitation. I can use eg. 512 MB Z3 RAM under OS3, OS4 uses Z3 RAM only as SWAP (it was too slow to be useable as RAM on real hardware). Quote: I can imagine that swap does not work well. It never did in my experience unfortunately. Exactly my experience.

It's not swap functionality in OS4.1 FE per say. More likely the software doesn't like it, for whatever reason. If you run a test and copy a bunch of files to ram (more than 128MB) it will start to use your swap partition. Then you delete them, it will likely work fine, for example.

Darren

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AmigaOS 4.x Beta Tester - Classic Amiga enthusiast - http://www.hd-zone.com is my Amiga Blog, check it out!