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 klx300r
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 13-Feb-2011 2:42:11
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Elite Member
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Joined: 4-Mar-2008
Posts: 3839
From: Toronto, Canada | | |
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| RAGEMEM v0.37 results: --- VIDEO BUS --- Before any patches: READ: 14 MB/Sec WRITE: 50 MB/Sec Before this patch (1.1): READ: 29 MB/Sec WRITE: 63 MB/Sec After this patch (1.2): READ: 41 MB/Sec WRITE: 63 MB/Sec |
same results for me too...impressive results compared to original ones 
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Deniil715
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 13-Feb-2011 11:37:44
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Elite Member
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Joined: 14-May-2003
Posts: 4237
From: Sweden | | |
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| @Mrodfr
Quote:
| Hope Acube will improve more this patch. Maybe with 60-80mo/s, we could play all DVD without frameskip. |
DVD is only about write speed to the video RAM. That is already 63MB/s. However, since a normal 32-bit 33MHz PCI port theoretically can handle 133MB/s, perhaps something still can be done.
The biggest bottle-neck would be the lack of L2 cache though I believe. Higher RAM read speeds would help a lot here. Don't know if that could be tweaked like how SetA1 does it for for the AmigaOnes..?
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m3x
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 13-Feb-2011 11:48:30
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Regular Member
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Joined: 15-May-2003
Posts: 311
From: Bologna, Italy | | |
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| @Mrodfr
Quote:
| Hope Acube will improve more this patch. Maybe with 60-80mo/s, we could play all DVD without frameskip. |
Are 120 MB/s enough ?
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Mrodfr
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 13-Feb-2011 12:19:00
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Super Member
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Joined: 28-Jan-2007
Posts: 1396
From: French | | |
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| For sure
Why you said that ? (a futur update actually in betatest ?) For sure 120 is enough, hum, read AND write
@Deniil715
Each time new patch, DVplayer skip less frame than before, Deniil715 (a little each time).
Between 1.1 and 1.2, only read has been improved and for the DVplayer tests I have made with patch 1.2, less frameskip.
for sure, a new dvplayer and avcodec.library will help also to have less frameskip. Last edited by Mrodfr on 13-Feb-2011 at 12:23 PM.
Last edited by Mrodfr on 13-Feb-2011 at 12:22 PM.
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klx300r
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 13-Feb-2011 14:44:04
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Elite Member
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Joined: 4-Mar-2008
Posts: 3839
From: Toronto, Canada | | |
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| Poster: m3x Date: 13-Feb-2011 6:48:30 @Mrodfr Quote: Hope Acube will improve more this patch. Maybe with 60-80mo/s, we could play all DVD without frameskip. Are 120 MB/s enough ? |
ok now spill the beans Sammy 
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ikir
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 14-Feb-2011 15:58:46
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Elite Member
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Joined: 18-Dec-2002
Posts: 5647
From: Italy | | |
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| @m3x
What a teaser!! Thanks for your work Max!
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ikir
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samo79
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 15-Feb-2011 12:18:59
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Elite Member
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Joined: 13-Feb-2003
Posts: 3505
From: Italy, Perugia | | |
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RAGEMEM v0.37 - compiled 11/06/2010
CPU: AMCC PPC440EP 1.3 @ 799 Mhz
Caches Sizes: L1: 32 KB - L2: none - L3: none
Cache Line: 128
CPU
MAX MIPS: 1598
L1
READ32: 2841 MB/Sec
READ64: 5635 MB/Sec
WRITE32: 2855 MB/Sec
WRITE64: 5676 MB/Sec
RAM
READ32: 277 MB/Sec
READ64: 277 MB/Sec
WRITE32: 165 MB/Sec
WRITE64: 164 MB/Sec
WRITE: 888 MB/Sec (Tricky)
VIDEO BUS
READ: 41 MB/Sec
WRITE: 63 MB/Sec |
Not bad Last edited by samo79 on 15-Feb-2011 at 12:20 PM.
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Wizzard_o
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 16-Feb-2011 0:25:43
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Cult Member
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Joined: 14-Sep-2004
Posts: 701
From: UK, Northern Hemisphere, Earth, Solar System, Alpha Quadrant, The Milky-Way, Universe. 1.1.1.3.44.HP | | |
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| I finally applied the update today and I certainly noticed a difference, thanks guys!
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OldFart
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Re: OS4 patch 1.2 for Sam440ep/flex boards
Posted on 18-Feb-2011 16:34:32
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Elite Member
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Joined: 12-Sep-2004
Posts: 3062
From: Stad; en d'r is moar ain stad en da's Stad. Makkelk zat! | | |
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| @DAX
Quote:
| from the original 14MB to 41MB that's basically +300% |
You're wrong by some 33.33% here 
From 14 to 42 is a factor of 3, so +2 only, which in %% is 'ony' 200%. Still not bad!
OldFart
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