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trans
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ARM Posted on 5-Feb-2010 18:41:31
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Joined: 19-Mar-2006 Posts: 81
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pavlor
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Re: ARM Posted on 5-Feb-2010 19:09:22
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Elite Member  |
Joined: 10-Jul-2005 Posts: 9786
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| @trans
There are much faster CPUs... eg. Core i7... |
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billt
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Re: ARM Posted on 5-Feb-2010 19:11:15
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Joined: 24-Oct-2003 Posts: 3207
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| @trans
I like ARM. We do ARM SOC chips at work. Also consider that ARM is going to be coming out of one of the most advanced fab processes out there RSN... Would be great for battery life. :)
http://www.edn.com/article/CA6700550.html _________________ All glory to the Hypnotoad! |
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minator
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Re: ARM Posted on 6-Feb-2010 1:27:31
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Joined: 23-Mar-2004 Posts: 1048
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| ARM does have the advantage that they can be put into big-endian mode, that immediately removes one problem for Amiga developers.
As for performance, the Cortex A9 has been announced up to 2GHz, that's into G5 territory, using existing silicon technology.
As for the future, look out for an Eagle flying overhead  _________________ Whyzzat? |
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Trev
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Re: ARM Posted on 6-Feb-2010 3:01:51
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Joined: 24-Jul-2005 Posts: 778
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| @trans
Considering the pace of AmigaOS development, I would rather target future CPUs based on this:
http://www.technologyreview.com/computing/24482
_________________ Sam440ep-flex 733 MHz/1 GB RAM/Radeon 9250/AmigaOS4.1 Update 2 borked A1200/Blizzard1260+SCSI-IV/Z4+MediatorZIV/Deneb/Voodoo3/CatweaselMk3 more borked A1200/MBX1200z/Indivision A500/clockport/RRNet A600/A603 |
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TheDaddy
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Re: ARM Posted on 6-Feb-2010 8:15:27
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Joined: 30-Sep-2005 Posts: 4499
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| @trans
It would cost an ARM and a leg... _________________ www.loriano.pwp.blueyonder.co.uk |
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pavlor
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Re: ARM Posted on 6-Feb-2010 10:06:49
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Joined: 10-Jul-2005 Posts: 9786
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| @minator
Quote:
| As for performance, the Cortex A9 has been announced up to 2GHz, that's into G5 territory |
Maybe, but I can´t find ANY reasonable benchmarks. If it is so powerful, why hide them? |
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trans
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Re: ARM Posted on 8-Feb-2010 4:56:44
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Joined: 19-Mar-2006 Posts: 81
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| @TheDaddy
I don't think performance is the most import. I think it's performance / (power * cost). When you consider this larger equation, ARM rocks.
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pavlor
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Re: ARM Posted on 8-Feb-2010 7:58:01
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Joined: 10-Jul-2005 Posts: 9786
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| @trans
Quote:
| I don't think performance is the most import. |
If you use emulators (like me), the most important aspect is raw performance. (eg. you can run DosBox with 386 like performance on SAM, I have Pentium like performance on Core 2...) |
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-pekr-
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Re: ARM Posted on 8-Feb-2010 8:57:35
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pavlor
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Re: ARM Posted on 8-Feb-2010 9:31:37
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Joined: 10-Jul-2005 Posts: 9786
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| @-pekr-
i.MX515 is nice SoC. It has interesting DSP features (HD video) etc., but its CPU has only Pentium III class performance. |
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-pekr-
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Re: ARM Posted on 8-Feb-2010 9:43:04
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Joined: 29-May-2007 Posts: 98
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| @pavlor
I know it is not much performant. But would you really refuse AmigaOS SmartBook? Is there any other alternative to consider? AROS port for e.g. is already in the works IIRC ... |
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pavlor
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Re: ARM Posted on 8-Feb-2010 10:05:08
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Joined: 10-Jul-2005 Posts: 9786
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| @-pekr-
Quote:
| I know it is not much performant. But would you really refuse AmigaOS SmartBook? |
No, of course.
Quote:
| Is there any other alternative to consider? |
Possibly MOS port to PowerBook G4?
Quote:
| AROS port for e.g. is already in the works IIRC ... |
With 0 applications... (remember, there is no JIT for ARM version of UAE, thus even WinUAE on old P4 computer of my father will be faster and more efficient) |
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Crumb
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Re: ARM Posted on 8-Feb-2010 11:28:51
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Joined: 12-Mar-2003 Posts: 2209
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| @trans
I don't understand all the hype about ARM as it delivers poor performance per cycle. It's ok for a mobile phone but not for a desktop computer. It may be useful for a small and silent server but IMHO common x86 hardware is much more interesting. Even embedded ppcs are more interesting than ARM _________________ The only spanish amiga news web page/club: CUAZ |
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RodTerl
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Re: ARM Posted on 8-Feb-2010 12:22:00
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Joined: 6-Sep-2004 Posts: 589
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| Why go ARM?
Nintendo DS XL with Opera web browser, WiFi net, MP3 playback, video playback, camera, VOIP, never mind the next gen with likely Tegra?
100 MILLION near Identical Units?
Boot from SD?
Thats why I want to see AOS go to ARM.
Microsoft screwed over the £100 netbook by insisting on XP to be installed on them, so the DS is the only mass produced item left.
Why do you dislike the ZX Spectrum, and Equivalents, so much? If you want a powerhouse, buy a PC. Its as simple as that. Then you will be in the PC monoculture, where the user space allows hackers etc to walk all over them, because the Average PC user doesnt Want to know how the machine works, they want the Machine to be able to do the work for them, AS Advertised.
Its a pity we will never see the Harry/Warhol live presentation launch success ever again.
_________________ The older and more respected a scientist is, the longer it takes to prove him wrong. |
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damocles
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Re: ARM Posted on 8-Feb-2010 13:01:18
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Joined: 22-Dec-2007 Posts: 1720
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| @trans
Quote:
| Hyperion should port Amiga OS to ARM. |
AROS port to ARM is in progress. Hyperion does need to consider another arch to support.
_________________ Dammy |
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damocles
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Re: ARM Posted on 8-Feb-2010 13:12:37
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Joined: 22-Dec-2007 Posts: 1720
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| @pavlor
Quote:
| i.MX515 is nice SoC. It has interesting DSP features (HD video) etc., but its CPU has only Pentium III class performance. |
Let's not lose sight that other ARMs are indeed faster and going multi core sometime before this Summer. x86 is always going to be king for desktop CPUs, but ARM does present a lower threshold in power and pricing then x86. I can see sub $200USD ARM based netbooks in the not too distant future, that's a fantastic pricing level to have a OS on that can not economically support custom hardware because of lack of sales. I'd be happy to see x86 get that low as well as the end user will benefit by rock bottom pricing.
Question is on the MX515, how does it compare to SAM440 in real world apps and games?
_________________ Dammy |
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pavlor
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Re: ARM Posted on 8-Feb-2010 13:18:02
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Elite Member  |
Joined: 10-Jul-2005 Posts: 9786
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| @damocles
Quote:
| Question is on the MX515, how does it compare to SAM440 in real world apps and games? |
I estimate that i.MX515 800 MHz could be up to 30 % faster than 440EP 733 MHz in general use. Not worth the effort (no native applications, no JIT for 680x0 applications etc.). |
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Pleng
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Re: ARM Posted on 8-Feb-2010 13:36:17
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Regular Member  |
Joined: 17-Nov-2005 Posts: 458
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| @pavlor
Quote:
If you use emulators (like me), the most important aspect is raw performance. (eg. you can run DosBox with 386 like performance on SAM, I have Pentium like performance on Core 2...)
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That's not even a remotely fair test. DosBox's Dynarec on x86 is by far superior to that on any other platform, for obvious reasons.
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Anonymous
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Re: ARM Posted on 8-Feb-2010 13:46:02
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| @trans
AmigaOS is wedded to PowerPC, in sickness and in health, till death us do part...
Chris |
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