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      /  A week in AROS...
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PosterThread
deadwood 
Re: A week in AROS...
Posted on 25-Feb-2017 7:45:52
#221 ]
Regular Member
Joined: 4-Nov-2008
Posts: 349
From: Unknown


_________________
Krzysztof

"There is no such thing as software for free. If it is not the user who covers the cost of software creation with money, it is the developer who covers this cost with his own free time."

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WolfpackN64 
Re: A week in AROS...
Posted on 25-Feb-2017 10:51:17
#222 ]
Regular Member
Joined: 9-Oct-2016
Posts: 272
From: Unknown

@deadwood

I'm guessing the monthly highlights on the AROS page will become very interesting :)

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paolone 
Re: A week in AROS...
Posted on 25-Feb-2017 17:01:28
#223 ]
Cult Member
Joined: 24-Sep-2007
Posts: 924
From: Unknown

...and do not forget this video as well!

https://www.youtube.com/watch?v=kdB1Vc_CbsI

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tlosm 
Re: A week in AROS...
Posted on 25-Feb-2017 18:49:32
#224 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@paolone

congrats! good job

_________________
I love Amiga and new hope by AmigaNG
A 500 + ; CDTV; CD32; A4k.
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paolone 
Re: A week in AROS...
Posted on 25-Feb-2017 21:38:57
#225 ]
Cult Member
Joined: 24-Sep-2007
Posts: 924
From: Unknown

@tlosm

Video is not mine, I guess it's from Kalamatee.

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ferrels 
Re: A week in AROS...
Posted on 25-Feb-2017 22:37:27
#226 ]
Cult Member
Joined: 20-Oct-2005
Posts: 686
From: Arizona

@paolone

Several years ago I predicted that AROS would become more advanced and robust than OS4 and now I see that it's happening. OS4 development stagnated years ago and aside from the recent improvement in GPU support any changes in OS4 seemed to be just quick bug fixes or band-aid patches to get it working on ever more rare PPC cpu's. Even USB support on OS4 is still flaky at best. Stating the above over at Amiga.org would get me banned again and even here I'll probably be flamed at best, but hey, it's nice to see AROS moving along!

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nikosidis 
Re: A week in AROS...
Posted on 26-Feb-2017 18:18:22
#227 ]
Cult Member
Joined: 9-Dec-2008
Posts: 585
From: Norway, Oslo

@ferrels

So true.

It is a few realy dedicated AROS developers that have kept the dream alive and just maybe in the future it will gain more interest and find a nice userbase.

Last edited by nikosidis on 26-Feb-2017 at 06:20 PM.

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wawa 
Re: A week in AROS...
Posted on 27-Feb-2017 2:03:42
#228 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@nikosidis

Quote:

It is a few realy dedicated AROS developers that have kept the dream alive and just maybe in the future it will gain more interest and find a nice userbase.


i guess you can say that. there are some examples, but on the other hand there are social factors that influence that the project changes hands, people join, retire, staff is fluctuating according to peristaltiscs of personal phases of motivation and disappointment while the work stalls and then gets picked up at full throttle. the important thing is, the source is open and the opportunity is there. and that the framework actually forces people of different, almost mutualy exclusive abilities, interests, mindsets and concepts to cooperate.

Last edited by wawa on 27-Feb-2017 at 02:07 AM.
Last edited by wawa on 27-Feb-2017 at 02:05 AM.

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Raffaele 
Re: A week in AROS...
Posted on 27-Feb-2017 8:51:13
#229 ]
Super Member
Joined: 7-Dec-2005
Posts: 1782
From: Naples, Italy

@ferrels

I am still sitting on the river bank. At this precise moment what we see is proof of concept activating various cores of a CPU...

I want to see how it will be implemented.

I hope they will dedicate a single core to old software executing only, and let the other cores free to perform atomic operations on new software (i.e. new software tasks splitting into threads any of them running contemporarly in various cores)...

Last edited by Raffaele on 27-Feb-2017 at 08:53 AM.
Last edited by Raffaele on 27-Feb-2017 at 08:51 AM.

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wawa 
Re: A week in AROS...
Posted on 27-Feb-2017 11:17:20
#230 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@Raffaele

Quote:
At this precise moment what we see is proof of concept activating various cores of a CPU...


yes, its still under development, but these days the pace is very high:
https://trac.aros.org/trac/timeline

id prefer to see that much of motivation on 68k front, but its cool to see nevertheless.

Quote:
I hope they will dedicate a single core to old software executing only


im not sure of the details. i think its a moving target, but for now the os and legacy apps is going to sit on the initial core for what i know.

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Raffaele 
Re: A week in AROS...
Posted on 27-Feb-2017 11:49:28
#231 ]
Super Member
Joined: 7-Dec-2005
Posts: 1782
From: Naples, Italy

@wawa

It will good also that any legacy software could be just assigned as dedicated, to the first core that is found free... And Core will remain assigned to that task, until its execution is ended/stopped/aborted.

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KimmoK 
Re: A week in AROS...
Posted on 27-Feb-2017 12:35:36
#232 ]
Elite Member
Joined: 14-Mar-2003
Posts: 5045
From: Ylikiiminki, Finland

Questions etc:
-Do 32bit x86 AROS apps run on 64bit AROS?
-Legacy SW (compiled to 64bit?) will run (only?) on core0?
-AROS x64-SMP compiled apps can use all/any cores?
-Can one allocate some core for some task/process?
-Can one define group of cores for some tasks/processes?
-Is there any experimental memory-protected AROS branch?

((IMO: any form of multi-core support is better than having none at all.))

_________________
- KimmoK
// For freedom, for honor, for AMIGA
//
// Thing that I should find more time for: CC64 - 64bit Community Computer?

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wawa 
Re: A week in AROS...
Posted on 27-Feb-2017 12:38:46
#233 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@Raffaele

keep in mind that aros is not held back with backwards compatibility restrictions, except on 68k, especially that most software for it is open source and available for recompilation.

the multiprocessing x64 build is aros abi v1, while the most common aros platform as of today is x86 abi v0. thats what the distributions are available for. it is expactable, that the switch to x64 smp as default will happen along the transition from abi v0 to abi v1.

Last edited by wawa on 27-Feb-2017 at 12:39 PM.

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wawa 
Re: A week in AROS...
Posted on 27-Feb-2017 12:41:28
#234 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@KimmoK

Quote:

-Can one allocate some core for some task/process?
-Can one define group of cores for some tasks/processes?


i think its a bitt too much of control. this has to be taken care of by the system, not by the user or application programmer.

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michalsc 
Re: A week in AROS...
Posted on 27-Feb-2017 13:17:25
#235 ]
Regular Member
Joined: 14-Jun-2005
Posts: 218
From: Germany

@KimmoK

Please note any of above can change at any time :)

Quote:
-Do 32bit x86 AROS apps run on 64bit AROS?


No and probably never will. They would, just as it is in case of e.g. WoW64, need a full set of 32bit compatibility libraries, so the effort is not even worth trying.

Quote:
-Legacy SW (compiled to 64bit?) will run (only?) on core0?


Probably, although most likely legacy will need to be recompiled anyway (since size of some structures used in system and in software has changed)

Quote:
-AROS x64-SMP compiled apps can use all/any cores?


Most likely

Quote:
-Can one allocate some core for some task/process?


When creating new task one can attribute it to selected CPU or group of CPUs using CPUAffinity bitmap.

Quote:
-Is there any experimental memory-protected AROS branch?


No, AROS protects only some critical parts using MMU, emulates SysBase at absolute address 4 (on some targets) or e.g. puts kernel at the top of address space on sam440/efika/arm, but this is definitely not MP.

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deadwood 
Re: A week in AROS...
Posted on 27-Feb-2017 18:58:16
#236 ]
Regular Member
Joined: 4-Nov-2008
Posts: 349
From: Unknown

Week of February 20th:
- Frequency of task scheduling in SMP build has been increased (Kalamatee)
- SysMon has been extended to show core number and used time (Kalamatee)
- CPU load per core is now being measured by AROS kernel (mschulz)
- Work on handling inter-processor interrupts continues (mschulz)
- screenmode.prefs file handling is fixed to always user big endian (neil)
- Bootloader preferences are now available on AROS x86_64 (Kalamatee)
- Finegrained task list update in SysMon has been implemented (Kalamatee)
- processor.resource how support CPU frequency calculation for Core-i processors (mschulz)
- CPU usage meter in SysMon has better resolution (mschulz)
- Work on custom MUI class for presenting graphs started (Kalamatee)
- SysMon is being modified to use the MUI Graph class (Kalamatee)
- Precision of CPU time display in SysMon has been increased (Kalamatee)
- TaskList, Avail, DevList, LibList and ResList has been corrected to properly display 64-bit adresses (mschulz)
- MUI Graph class now supports multiline text (Kalamatee)
- BULK, INTR and ISOC transfers has been made asynchronous in USB hosted driver (DizzyOfCRN)
- SysMon correctly displays more than 4 CPU graphs (Kalamatee)
- Work on making modules loader SMP safe started (Kalamatee)
- PCITool UI has been reworked for better readability (Kalamatee)
- Graph class now correctly deallocates pens (Kalamatee)
- It is not possible to switch between grouped and single CPU displays in SysMon (Kalamatee)
- ata.device now supports bounce buffer in case of DMA transfers outside the 4GB limit (mschulz)
- New locking mechanism is being introduced in exec.library (mschulz)

_________________
Krzysztof

"There is no such thing as software for free. If it is not the user who covers the cost of software creation with money, it is the developer who covers this cost with his own free time."

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wawa 
Re: A week in AROS...
Posted on 27-Feb-2017 19:03:21
#237 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@deadwood

starts to be too much to comprehend ;)

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resle 
Re: A week in AROS...
Posted on 28-Feb-2017 0:53:44
#238 ]
Regular Member
Joined: 28-Nov-2005
Posts: 483
From: shanghai

I said it long ago and got laughed off: Aros is to AmigaOS what Mac Os X has been to Mac System 9:

- breaks free of legacy
- keeps the same UI feeling and OS defining features of its predecessor
- runs legacy software through virtual subsystems (uae = rosetta stone)
- opens up to new hardware architectures

Maybe now it's a little less laughable as a comparison? :)
Impressive work, never give up!


Last edited by resle on 28-Feb-2017 at 12:55 AM.

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wawa 
Re: A week in AROS...
Posted on 28-Feb-2017 11:17:38
#239 ]
Elite Member
Joined: 21-Jan-2008
Posts: 5714
From: Unknown

@resle

it isnt exactly precize:

Quote:
- breaks free of legacy


on amiga (68k) it actually doesnt. on the contrary it preserves the compatibility instead.

Quote:
Maybe now it's a little less laughable as a comparison? :)


the question is to whom it was laughable in first place.

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WolfpackN64 
Re: A week in AROS...
Posted on 28-Feb-2017 11:28:14
#240 ]
Regular Member
Joined: 9-Oct-2016
Posts: 272
From: Unknown

@resle

But that legacy of Mac OS 9 was a lot quicker then Mac OSX an already had coöperative multithreaded multitasking.

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