18 September 2017, 16:54 | #161 |
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AROS 68k
I understand that the goal is to run on 68k whether that is: An Original Amiga. An Original Amiga with upgrades (Any accelerator you want - including Vampire) Emulation (pick any host PC) Is that a correct assumption to make? The same version of AROS 68k should run on everything mentioned. Sure, you will need to develop drivers of course. Sounds like it works fine with emulated drivers. Does that mean it runs fine on original hardware also? As for Vampire, I suppose it's a matter of writing all the SAGA drivers and such? Am I understanding this correctly? |
18 September 2017, 17:02 | #162 | |
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Not as well as it should. "Slower than molasses on a winter day" was a description I heard.
Quote:
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18 September 2017, 17:38 | #163 |
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Thanks for that. Perfectly clear now.
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18 September 2017, 17:44 | #164 | |
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Quote:
Code:
[23:14:38] ( wawa) on internal ide of an a4000/060/50 i have 2528k/s. [00:16:34] ( wawa) 000 unfortunatelly result of the very same cf on a 1200 is worse: 1309kb/s Code:
[14:05:12] ( wawa) interestingly rscp gives me 1416kb/s on the same cf on the same amiga 1200 under os3 [14:05:22] ( wawa) never thought it was that slow [14:05:40] ( wawa) so aros is oly like 10% slower in comparison |
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18 September 2017, 21:36 | #165 |
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no, i simply checked on it with the same tool the vampire team is using and it occures that aros ide (ata) driver speed is about to be on pair with the original os3 counterpart.
the penalty might be in a range of 10%.. |
18 September 2017, 22:20 | #166 |
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Perhaps this is the case on relatively slow hardware. With a Vampire the speed comparison is something like 3.5 MB/s with AOS vs. 1.1 MB/s with AROS. Or that's at least how I understood it. ShK should know the detailed numbers.
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18 September 2017, 22:33 | #167 |
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i cant review or confirm it. on irc gunnar suspected that the apollo ide fix may have influenced this.
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19 September 2017, 10:47 | #168 | |
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Quote:
Simo did a testrun with RSCP (128KB blocksize) which showed 0.984 MB/s with AROS's ata.device as opposed to 2.9 MB/s with AOS's scsi.device running on the same hardware, an A600 equipped with a v600. |
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19 September 2017, 11:10 | #169 |
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Here's vid of that quick test: http://apollo-accelerators.com/files/shk/AROS_RSCP.mp4
Aros ROM is aros-amiga-m68k-ext + aros-amiga-m68k-rom joined to the 1MB rom. It contains IDE fix by Mike Ness. Nightly build ROM works about 1 times of 10 (or less) with the A600 IDE. The faster the core, the worse IDE works. |
19 September 2017, 12:01 | #170 |
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we have tested with the default 512kb instead of 128 but perhaps it doesnt matter. on amigas i have (a1200, a4000) aros provides similar results as the original scsi.device.
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