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PosterThread
vox 
Re: An abundance of AmigaOS
Posted on 15-Oct-2013 18:41:08
#661 ]
Elite Member
Joined: 12-Jun-2005
Posts: 3725
From: Belgrade, Serbia

@djrikki

Great idea about donations tab.

Well, A-EON is preparing a web store ...

Maybe you could JACK in

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retro 
Re: An abundance of AmigaOS
Posted on 15-Oct-2013 18:58:28
#662 ]
Super Member
Joined: 16-Dec-2003
Posts: 1035
From: Unknown

@vox

i dont care WHO does it.as long ITS gets done.
A 3 partner would be great too

Last edited by retro on 15-Oct-2013 at 07:00 PM.
Last edited by retro on 15-Oct-2013 at 06:59 PM.

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phoenixkonsole 
Re: An abundance of AmigaOS
Posted on 15-Oct-2013 19:30:22
#663 ]
Super Member
Joined: 8-Nov-2009
Posts: 1768
From: Unknown

@retro
From a logical point of view it is a pity that at least 2 parties pay for the same thing.
Maybe NIH-syndrome (not invented here)

From a user point of view it means more choice and maybe a sort of positive competition.


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djrikki 
Re: An abundance of AmigaOS
Posted on 15-Oct-2013 20:29:24
#664 ]
Elite Member
Joined: 22-Jun-2010
Posts: 2077
From: Grimsby, UK

@vox

Its not just an idea. Its already here and widely available to anyone who wishes to join in and take part.

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Boot_WB 
Re: An abundance of AmigaOS
Posted on 15-Oct-2013 21:14:57
#665 ]
Super Member
Joined: 14-Feb-2006
Posts: 1134
From: Kingston upon Hull, UK

Never mind.

Last edited by Boot_WB on 15-Oct-2013 at 09:16 PM.

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opp., the vast majority who voted silently with their feet.

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number6 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 13:42:16
#666 ]
Elite Member
Joined: 25-Mar-2005
Posts: 10881
From: In the village

@thread

Development News - AmiWest 2013 AmigaOS Team

#6


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This posting, in its entirety, represents solely the perspective of the author.
*Secrecy has served us so well*

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Metalheart 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 14:56:10
#667 ]
Elite Member
Joined: 21-Aug-2003
Posts: 2968
From: Somewhere in the Dutch mountains....

>4.X-Kernel Update
◦Task scheduler rewritten in C
◦Removed reliance on data structures (e.g. ExecBase task lists and ThisTask pointer)
◦Moving scheduler to run on auxiliary cores
◦All cores schedule tasks independently
◦Load balancing between cores

Does this "load balancing" mean that it is AMP or SMP ?
It sounds good to me, always divide the load between all cores. To me that sounds like having all te power of all cores at you disposal and not only a bit of core 1 for app a and a bit of core 2 for app b etc...
aah, im rambling....

Cheers

martin

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OlafS25 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 15:51:35
#668 ]
Elite Member
Joined: 12-May-2010
Posts: 5761
From: Unknown

@Metalheart

To me it sounds like SMP (not AMP). But I doubt that they can do that without breaking 68k compatibility (that is so important for both MorphOS and AmigaOS).

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Metalheart 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 16:03:48
#669 ]
Elite Member
Joined: 21-Aug-2003
Posts: 2968
From: Somewhere in the Dutch mountains....

@OlafS25

Is SMP a bad idea compared to AMP ? It sounds nice to me.
I what aspects should AMP be better ?

68k compatibility.... well cant that be reimplemented, adapted or just running on one core or whatever ? I'm sure Hyperion is working on something to keep compatibility.

I DO think it is important to keep 68k compatibility though (I'm thinking of ImageFX for instance)

edit: I did some quick googling... Is it correct that AMP is older and doesnt scale well like 2x 2 ghz cores handles not as a 4 Ghz CPU but SMP does do that (or better)

Last edited by Metalheart on 24-Oct-2013 at 04:08 PM.

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When its time to meet the maker
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pavlor 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 16:13:14
#670 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9120
From: Unknown

@Metalheart

Quote:
I what aspects should AMP be better ?


Nothing I know. It could be more easier to implement.

Quote:
edit: I did some quick googling... Is it correct that AMP is older and doesnt scale well like 2x 2 ghz cores handles not as a 4 Ghz CPU but SMP does do that (or better)


No. Not all applications scale their performance with number of cores. Eg. most emulators (UAE, DosBox) can use only one core, video playback is accellerated only cca 1.6x with doubled number of cores; Blender and OGR can probably use full power of all cores.

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Metalheart 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 16:56:45
#671 ]
Elite Member
Joined: 21-Aug-2003
Posts: 2968
From: Somewhere in the Dutch mountains....

@pavlor

So the OS has to just support multiple cores, and the applications must be coded to actualy do something with that OS option ?
Right ?

And to me it seems that the so called SMP is a perfectly fine way to do things.

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wawa 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 17:17:23
#672 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@Metalheart

Quote:
◦Task scheduler rewritten in C


what was that written up till now in? 68k asm?

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pavlor 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 17:38:33
#673 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9120
From: Unknown

@Metalheart

Quote:
So the OS has to just support multiple cores, and the applications must be coded to actualy do something with that OS option ?


Yes. However, even single core only applications can benefit from multicore support - eg. you can run Webbrowser on one core and game on another core.

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Metalheart 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 17:48:47
#674 ]
Elite Member
Joined: 21-Aug-2003
Posts: 2968
From: Somewhere in the Dutch mountains....

@pavlor

Thanks for the explanations Never to late learn, is it ?

I'm curious as to how things turn out.....

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When its time to meet the maker
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salass00 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 20:21:50
#675 ]
Elite Member
Joined: 31-Oct-2003
Posts: 2702
From: Finland

@wawa

Quote:

what was that written up till now in? 68k asm?


You are aware that there exists something called ppc assembler too, right? Or is that too hard to figure out for you .

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Signal 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 20:43:48
#676 ]
Cult Member
Joined: 1-Jun-2013
Posts: 664
From: USA

@salass00

Or Klingon.

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Hyperionmp 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 20:55:25
#677 ]
Hyperion
Joined: 8-Mar-2003
Posts: 502
From: Unknown

@wawa

PPC assembly.

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wawa 
Re: An abundance of AmigaOS
Posted on 24-Oct-2013 23:41:06
#678 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@salass00

Quote:

You are aware that there exists something called ppc assembler too, right? Or is that too hard to figure out for you .


there must have been a good reason to rewrite it in ppc asm instead on directly in plain c. speed?

Last edited by wawa on 25-Oct-2013 at 12:01 AM.

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salass00 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 7:42:39
#679 ]
Elite Member
Joined: 31-Oct-2003
Posts: 2702
From: Finland

@wawa

Quote:

there must have been a good reason to rewrite it in ppc asm instead on directly in plain c. speed?


For easier maintainability and adding of new features most likely, also the speed gain from having it in assembler might not have been significant enough to be worth it.

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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 8:53:49
#680 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@salass00

i thought c was the language you choose for maintability, thats why it has been now rewritten to c i guess in order to make experiments with smp possible?

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