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AuthorTopic: Will OS4 have SMP after all  (Read 13372 times)

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Offline bloodline

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Re: Will OS4 have SMP after all
« Reply #105 on: July 26, 2013, 03:29:15 PM »
Quote from: nicholas;742441
A clone of Trance with seamless byte-swapping would be nice.  Shame Emumiga never got off the ground. :(
I know, I really liked the whole Emumiga concept, but it was a complex idea... I had a look at resurrecting it myself, but it was out of my league... Especially with how little time I had.

Offline bloodline

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Re: Will OS4 have SMP after all
« Reply #106 on: July 26, 2013, 03:34:35 PM »
Quote from: Iggy;742442
Yeah, but you routinely keep ignoring the point that the OS calls don't need to going through interpretation.

What you are talking about is less efficient.


I know it is less efficient, but the idea is that it is only to run a few old apps and you get the bonus of all our old hardware hitting software working too (which you don't get with the AOS4/MOS system).

As a user running AROS on a 8Gig 3Ghz+ multicore computer, you are probably going not going to worry that it's slightly less efficient... But is more compatible :)

Offline Iggy

Re: Will OS4 have SMP after all
« Reply #107 on: July 26, 2013, 03:42:45 PM »
Quote from: bloodline;742444
I know it is less efficient, but the idea is that it is only to run a few old apps and you get the bonus of all our old hardware hitting software working too (which you don't get with the AOS4/MOS system).

As a user running AROS on a 8Gig 3Ghz+ multicore computer, you are probably going not going to worry that it's slightly less efficient... But is more compatible :)

Well, with AOS4 Classic you do because the hardware is there.
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Offline bloodline

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Re: Will OS4 have SMP after all
« Reply #108 on: July 26, 2013, 03:52:32 PM »
Quote from: Iggy;742446
Well, with AOS4 Classic you do because the hardware is there.
That's a little off topic, AOS4 classic is never going to have SMP :)

Offline nicholas

Re: Will OS4 have SMP after all
« Reply #109 on: July 26, 2013, 03:54:58 PM »
Quote from: bloodline;742447
That's a little off topic, AOS4 classic is never going to have SMP :)


There's nothing to stop an opensource OS that is yet to be written from running on the BPPC and farming out 68k processes to the onboard 060 though. ;)
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Re: Will OS4 have SMP after all
« Reply #110 on: July 26, 2013, 03:57:06 PM »
Quote from: nicholas;742450
There's nothing to stop an opensource OS that is yet to be written from running on the BPPC and farming out 68k processes to the onboard 060 though. ;)
The the CPUs in question are not identical, then that's not SMP ;)

Offline nicholas

Re: Will OS4 have SMP after all
« Reply #111 on: July 26, 2013, 04:03:57 PM »
Quote from: bloodline;742454
The the CPUs in question are not identical, then that's not SMP ;)


True. :)
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Offline Iggy

Re: Will OS4 have SMP after all
« Reply #112 on: July 26, 2013, 04:07:59 PM »
Quote from: bloodline;742447
That's a little off topic, AOS4 classic is never going to have SMP :)

You are nitpicking.
And, no, there will never be new PPC accelerators for classic hardware.
Especially with more than one core.
At some point abandoning legacy hardware makes sense.

So i will agree with you that emulation should prove adequate.
Because you would hope that better native software would be developed and the old software marginalized.
"Not making any hard and fast rules means that the moderators can use their good judgment in moderation, and we think the results speak for themselves." - Amiga.org, terms of service

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Offline nicholas

Re: Will OS4 have SMP after all
« Reply #113 on: July 26, 2013, 04:22:50 PM »
Quote from: Iggy;742459
And, no, there will never be new PPC accelerators for classic hardware.
Especially with more than one core.


Not if we all start praying! ;)

http://ultimateppc.nl/
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Offline OlafS3

Re: Will OS4 have SMP after all
« Reply #114 on: July 26, 2013, 04:26:08 PM »
for that project we would really need a wonder :-)

besides it was not able to do SMP. Or was something like PowerUP planned?
 

Offline Fats

Re: Will OS4 have SMP after all
« Reply #115 on: July 26, 2013, 07:05:58 PM »
Quote from: bloodline;742289
AROS encourages the use of semaphores to lock resources.


Currently AROS' Semaphore implementation is using Forbid()...
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Offline LoadWB

Re: Will OS4 have SMP after all
« Reply #116 on: July 26, 2013, 07:12:22 PM »
Quote from: nicholas;742450
There's nothing to stop an opensource OS that is yet to be written from running on the BPPC and farming out 68k processes to the onboard 060 though. ;)


Nay-sayers.
 

Offline Fats

Re: Will OS4 have SMP after all
« Reply #117 on: July 26, 2013, 07:19:00 PM »
Quote from: Iggy;742370
Does anyone have a guess when it will be finished?


It will never be finished and I think you don't want that MorpOS ever will be declared finished...
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Offline Fats

Re: Will OS4 have SMP after all
« Reply #118 on: July 26, 2013, 07:20:26 PM »
Quote from: nicholas;742423
What if a modified exec was running on top of a modified Linux kernel that enabled SMP by distributing Amiga processes across various cores?

A kind of Amithlon on steroids? ;)


This does not solve the problem for the programs relying on the fact that no other program will access memory between Forbid()/Permit().
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Offline Fats

Re: Will OS4 have SMP after all
« Reply #119 on: July 26, 2013, 07:21:48 PM »
Quote from: bloodline;742433
The advantage of the 68k emulation in AOS4 and MOS is that the 68k and PPC apps live in the same environment and can share libraries etc... It is only possible because the 68K and PPC are big endien...

And by using non-native C struct packing on the PPC side.
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