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salass00 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 8:58:47
#681 ]
Elite Member
Joined: 31-Oct-2003
Posts: 2702
From: Finland

@wawa

Quote:

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?


Which is what I just wrote before, i.e. that change from asm to C was done for maintainability.

Last edited by salass00 on 25-Oct-2013 at 09:02 AM.

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broadblues 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 9:08:18
#682 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4407
From: Portsmouth England

@wawa

Quote:

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?


Yes , Salasso0 inadvertantly answered the reverse of your question, explaining the change from asm to C rather than why asm originally.

The most usual reason for asm is speed, perhaps occasionally size, but I don't honestly see the point in speculating over a such a design change. The important part is that the scheduler now deals with multiple cores according to the blog.

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olegil 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 9:19:21
#683 ]
Elite Member
Joined: 22-Aug-2003
Posts: 5888
From: Work

@wawa

There was a mention of it in March:
http://blog.hyperion-entertainment.biz/?tag=execsg

ExecSG is a mix of PPC assembly and C, the task scheduler has now been rewritten in C as well as turned into a plugin-system where you can make your own. Methinks that's a cool idea. Some like fairness ("nice" in unix terms), others (mostly me, I guess) absolutely abhor it and insist on a strict round-robin

load-balancing must surely mean SMP, but it's hard to say what it does without more info. Like, which load (memory, cache, ALU) etc.

Cache wise it's advantageous to pin a thread to always run on the same core. resource-wise it might not be, though.

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Using "voltage" instead of "potential", which leads to inventing new words like "amperage" instead of "current" (I, measured in A) or possible "charge" (amperehours, Ah or Coulomb, C). Sometimes I don't even know what people mean.

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Daedalus 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 10:14:01
#684 ]
Super Member
Joined: 14-Jul-2003
Posts: 1680
From: Glasgow - UK, Irish born

@olegil

Quote:

olegil wrote:

Cache wise it's advantageous to pin a thread to always run on the same core. resource-wise it might not be, though.


True, though it might result in those few programs which really need the heavy processor being (re)written in a multithreaded way, therefore individual threads could remain on the same core with the application still benefitting from SMP.

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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 13:21:53
#685 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@broadblues

Thats all i suggested myself. Originally the sheduler was written in ppc asm for speed and now it has been rewritten to c for maintabolity and expandability in order to implement smp, or whatever ssolie calls it ;)

Last edited by wawa on 25-Oct-2013 at 01:23 PM.

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Yo 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 17:35:00
#686 ]
Team Member
Joined: 8-Oct-2004
Posts: 2043
From: France, on an ADSL line

@wawa & thread

Will everyone please understand I *AM* following this thread? Lay off the snide remarks, please?

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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 19:05:17
#687 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@Yo

you mean this:

Quote:
or whatever ssolie calls it ;)


look at that:
http://www.amigans.net/modules/news/article.php?storyid=1962
me i personally dont care so much, but doesnt it telll the stories about (openly) sticking labels on where the do not belong?

Last edited by wawa on 25-Oct-2013 at 07:49 PM.

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number6 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 19:12:06
#688 ]
Elite Member
Joined: 25-Mar-2005
Posts: 10837
From: In the village

@wawa

Your argument seems to be:

Quote:
ERROR 404 - Not Found!



#6

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Daedalus 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 19:20:52
#689 ]
Super Member
Joined: 14-Jul-2003
Posts: 1680
From: Glasgow - UK, Irish born

@wawa

Maybe it's that, or maybe it's your general policy for sticking in a put-down or negative remark as often as you can... Far too often for someone who "doesn't care so much" if you ask me...

Last edited by Daedalus on 25-Oct-2013 at 07:21 PM.

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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 19:50:22
#690 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@number6

should work now. scroll down for the theater.

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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 19:57:06
#691 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@Daedalus

Quote:
Maybe it's that, or maybe it's your general policy for sticking in a put-down or negative remark as often as you can... Far too often for someone who "doesn't care so much" if you ask me...


in this particular case i have not cared much, till i have been linked to the above discussion on amigans. you can check if i had made any post about this matter prior to today anywhere, except perhaps like "ah, lets dont care".

edit out: blaming the messanger as usual.

Last edited by wawa on 25-Oct-2013 at 08:33 PM.
Last edited by wawa on 25-Oct-2013 at 07:57 PM.

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broadblues 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 20:53:20
#692 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4407
From: Portsmouth England

@wawa

Quote:

till i have been linked to the above discussion on amigans


You are not mentioned on that thread any where, unless you go by another nic? Did you just admit to being "takemehomegrandma" ? (forgive me if that's common knowledge I would never have made the connection).

Or did you link to the wrong thread maybe?

/me confused



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wawa 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 21:24:27
#693 ]
Elite Member
Joined: 21-Jan-2008
Posts: 6259
From: Unknown

@broadblues

Quote:
You are not mentioned on that thread any where


i have not claimed so.

on amigans i used to go by my usual nick as far as i recall.

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pavlor 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 21:40:04
#694 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9100
From: Unknown

@wawa

I see "AmigaOne A5000" name will upset friends of AmigaOS like you and takemehomegrandma. Not bad.


However, my vote is for A1-Q5020 (or A1-X5020).

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itix 
Re: An abundance of AmigaOS
Posted on 25-Oct-2013 21:58:45
#695 ]
Elite Member
Joined: 22-Dec-2004
Posts: 3398
From: Freedom world

@pavlor

Q5020 seems to be good choice of a name because it is already in use: http://uk.ts.fujitsu.com/rl/servicesupport/techsupport/professionalpc/ESPRIMO/Q/EsprimoQ5020.htm

Maximum publicity is the key to maximize sales and commercial success

Last edited by itix on 25-Oct-2013 at 11:02 PM.
Last edited by itix on 25-Oct-2013 at 10:00 PM.

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Amiga 500, Efika, Mac Mini and PowerBook

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pavlor 
Re: An abundance of AmigaOS
Posted on 26-Oct-2013 8:17:21
#696 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9100
From: Unknown

@itix

Quote:
Q5020 seems to be good choice of a name because it is already in use:


Thanks for idea. Good too see another friend of AmigaOS.

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vox 
Re: An abundance of AmigaOS
Posted on 26-Oct-2013 8:25:32
#697 ]
Elite Member
Joined: 12-Jun-2005
Posts: 3725
From: Belgrade, Serbia

@pavlor

Voted for X2000 series, as that is how I see those boards:
enhancement of experience built on X1000, mostly same
board features as Nemo with exception of DDR3 and Freescale
non Altivec CPU (but actually Nemos weak side is relatively
weak CPU so its good experience learning).

As far as I understand Cyrus is even smaller then Nemo.

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delshay 
Re: An abundance of AmigaOS
Posted on 26-Oct-2013 11:16:00
#698 ]
Regular Member
Joined: 20-Sep-2008
Posts: 447
From: Unknown

Info taken from main news.

Gallium3D: . Since the new API will allegedly support older PowerPC hardware targeted at legacy Amiga models.

Are all classic users GFX card(s) supported? As I did read somewhere in a thread Gallium is not for very low end GFX cards am I now understanding Gallium will now support Bvision & Voodoo and GFX card(s) above on classic system?

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pavlor 
Re: An abundance of AmigaOS
Posted on 26-Oct-2013 11:19:48
#699 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9100
From: Unknown

@delshay

Quote:
am I now understanding Gallium will now support Bvision & Voodoo and GFX card(s) above on classic system?


No. I think SSolie meant computers with slow CPUs. I don´t know, if PCI-to-PCIe adapters can be used in PCI expansion like Mediator on classics.

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itix 
Re: An abundance of AmigaOS
Posted on 26-Oct-2013 12:19:30
#700 ]
Elite Member
Joined: 22-Dec-2004
Posts: 3398
From: Freedom world

@pavlor

Quote:

Thanks for idea. Good too see another friend of AmigaOS.


I am proud owner of Amiga 500

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Amiga 500, Efika, Mac Mini and PowerBook

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