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   /  Amiga OS4.x \ Workbench 4.x
      /  RageMem benchmarks between OS4 machines
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Seiya 
Re: RageMem benchmarks between OS4 machines
Posted on 19-Mar-2011 23:10:10
#21 ]
Super Member
Joined: 19-Aug-2006
Posts: 1367
From: Italia

i have afforded to make a graph about the first post.


cpu test:


L1 Cache:


RAM:


Video Bus:

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klx300r 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 4:34:43
#22 ]
Elite Member
Joined: 4-Mar-2008
Posts: 3165
From: Toronto, Canada

@Seiya

thanks for the charts

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DAX 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 11:30:23
#23 ]
Elite Member
Joined: 30-Sep-2009
Posts: 2790
From: Italy

@Seya
I hope that the numbers in the first graph are not MIPS, as in that case G4 values are utter bullcrap.
A Peg2 so clocked would score 2911,8 according to FreeScale, Blender benchmarks corroborate this (difference in redering times).
Also G4 1400 would score 3220. (2.3 Mips x Mhz).

By the way, since the most common Mhz count found on the Peg2 would be 1000Mhz the number of MIPS would then be 2300 (2.3x1000), even less for A1s which have demonstrated a large tendecy to "fry" at speed over 1Ghz.

Last edited by DAX on 20-Mar-2011 at 11:44 AM.

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amitv 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 12:25:32
#24 ]
Regular Member
Joined: 23-Oct-2006
Posts: 342
From: Unknown

@Seiya

Thx

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Antique 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 13:12:52
#25 ]
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Joined: 9-Jun-2005
Posts: 881
From: Norway

@Seiya

Nice graph.

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guruman 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 13:59:17
#26 ]
Regular Member
Joined: 20-Jun-2007
Posts: 130
From: Padova, Italy

@Seiya

Nice graphs.

To add a bit more info, some tests have been performed by Ikir Sector users (italian forum) using MEncoder and encoding the same short video using the same command line.

Sam440ep Flex 800:
Pos: 4.0s 101f (100%) 10.71fps Trem: 0min 0mb A-V:0.000 [911:0]

Sam440ep 667:
Pos: 4.0s 101f (100%) 8.16fps Trem: 0min 0mb A-V:0.000 [911:0]

Sam460ex:
Pos: 4.0s 101f (100%) 14.44fps Trem: 0min 0mb A-V:0.000 [911:0]

AmigaOne G4 1GHz:
Pos: 4.0s 101f (100%) 30.01fps Trem: 0min 0mb A-V:0.000 [911:0]

Mac mini 1.5GHz (MorphOS):
Pos: 4.0s 101f (100%) 47.13fps Trem: 0min 0mb A-V:0.000 [911:0]

PowerMac G4 1.42GHz (MorphOS):
Pos: 4.0s 101f (100%) 48.56fps Trem: 0min 0mb A-V:0.000 [911:0]

Kind regards,
Andrea

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Varthall 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 14:20:43
#27 ]
Super Member
Joined: 17-Feb-2004
Posts: 1546
From: Up Rough

@guruman

I'd like the first three benchmarks to be repeated, in case they were run from an JXFS partition. On my machine on the first run the filesystem seems to be caching/reorganising data blocks, as it blocks MEncoder for a couple of seconds before it starts writing to the disk, and the results are 30-40% lower because of this. Also, the same holds true if they have been run from RAM disk, on my system writes to RAM disk are a bit slower than the ones on my partitions.

The benchmark anyway should be more meaningful if run using a bigger test video, with the one I provided the resulting speed was reached only at the last 1-2 seconds of the encoding.

Last but not least, the test between the MOS and OS4 version of MEncoder should be done using the same SVN revision of the code on both OSes: I have seen significant speed differences between two SVN revisions, one released last October, the other one last December.

Varthall

Last edited by Varthall on 20-Mar-2011 at 02:23 PM.

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DAX 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 15:23:28
#28 ]
Elite Member
Joined: 30-Sep-2009
Posts: 2790
From: Italy

@Varthall
It would be also wise to take comparisons between fully realized/optimized systems VS beta systems with a grain of salt (many values will change for the better in the 460EX case according to both Max Tretene and Hans De Ruiter).

Still wondering how those "3-Mips per Mhz" results for the G4 were obtained (in the first graph), as that is not the case with those CPUs (2.3 Mips per Mhz is correct).

Last edited by DAX on 20-Mar-2011 at 04:05 PM.
Last edited by DAX on 20-Mar-2011 at 03:25 PM.

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Crisot 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 16:13:01
#29 ]
Regular Member
Joined: 25-Jan-2004
Posts: 157
From: France

@DAX

Hi DAX.

You are true and wrong at the same time.

The G4 is able to do 2.3 DMIPS per Mhz. Not MIPS, but DMIPS. DMIPS means Dhrystone Mips. Dhrystone is an old benchmark from 1984, still "quite official" and used by manufacturers.

So the G4 deliver 2.3 MIPS/MHZ with this benchmark, and only this benchmark.

With other algorythms, the G4 can deliver more or less MIPS, depending of the optimisation level of the code.

RageMem just gives "maximum reachable MIPS". A G4 can deliver 3 MIPS/MHZ, but of course only in some restrictive conditions. This power is possible with some optimisation for some specific programs.

It's not representative of "every day use", but it's in the readme

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Seiya 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 16:39:53
#30 ]
Super Member
Joined: 19-Aug-2006
Posts: 1367
From: Italia

@DAX

the value are from marko's benchmark

MAX MIPS: 465 //a4000t
MAX MIPS: 1598 //sam440ep-flex
MAX MIPS: 2332 //sam460ex
MAX MIPS: 3797 //peg2
MAX MIPS: 4194 //a1-xe

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DAX 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 16:46:18
#31 ]
Elite Member
Joined: 30-Sep-2009
Posts: 2790
From: Italy

@Crisot
Thanks for the explanation (they should specify DMips, as it doesn't say so anywhere on FreeScale website).

@Seya
don't kill the messenger (you in this case ).

Still quite misleading, those Mhz values are used by no-one basically (or only a few untill they fried or will fry their systems).
Mentioning a 1.4 Ghz A1 is like mentioning a liquid helium cooled overclocked Sam460, pointless as not widely available (if at all).

Last edited by DAX on 20-Mar-2011 at 04:54 PM.
Last edited by DAX on 20-Mar-2011 at 04:50 PM.

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Seiya 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 18:33:13
#32 ]
Super Member
Joined: 19-Aug-2006
Posts: 1367
From: Italia





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kas1e 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 18:41:32
#33 ]
Elite Member
Joined: 11-Jan-2004
Posts: 3183
From: Russia

@Seiya

Pretty good and interesting graphs. Will be nice if you can add peg2/1ghz and a1/1ghz (as they the most popular, in compare with peg2/1.2 and a1-/1.4.

btw, sam460/1550 imho wrong ? (should be 1150)

Last edited by kas1e on 20-Mar-2011 at 06:42 PM.

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Rose 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 18:55:48
#34 ]
Cult Member
Joined: 5-Nov-2009
Posts: 525
From: Unknown

@Varthall
Quote:
Last but not least, the test between the MOS and OS4 version of MEncoder should be done using the same SVN revision of the code on both OSes: I have seen significant speed differences between two SVN revisions, one released last October, the other one last December.


You could as well demand that test should be done 3rd monday of may on full moon while tester holds three eagle feathers on left hand and a dead squirrel in right one.

Test should be done on what's available in wild. If some operating system doesn't have new version it shouldn't mean that other OS's test result should be cripled. Otherwise there isn't much sense in benchmarkking. Nothing prevents you to make your own benchmark where you use ancient versions on other os to get results of your liking.

Thought you have a good point that test video should be a lot of bigger.

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Varthall 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 19:41:24
#35 ]
Super Member
Joined: 17-Feb-2004
Posts: 1546
From: Up Rough

@Seiya

As I said, those values are not guaranteed to be realistic - I don't know how the test on the various Sam boards have been executed.

@Rose
Quote:

You could as well demand that test should be done 3rd monday of may on full moon while tester holds three eagle feathers on left hand and a dead squirrel in right one.

Test should be done on what's available in wild. If some operating system doesn't have new version it shouldn't mean that other OS's test result should be cripled. Otherwise there isn't much sense in benchmarkking. Nothing prevents you to make your own benchmark where you use ancient versions on other os to get results of your liking.

IMHO, tests should be done correctly in order to be meaningful. If a test is done on two different system, the same benchmark should be used.
Anyway, to accomplish this it's much simpler than you think. All is needed is to get what's the SVN version of the MEncoder MOS port, grab the same version from the MPlayer SVN and compile it on OS4.

Varthall

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Seiya 
Re: RageMem benchmarks between OS4 machines
Posted on 20-Mar-2011 20:30:23
#36 ]
Super Member
Joined: 19-Aug-2006
Posts: 1367
From: Italia

@Varthall

ok ok
it's not official charts :)
it should be more easy to read tests.

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marko 
Re: RageMem benchmarks between OS4 machines
Posted on 21-Mar-2011 1:34:22
#37 ]
Super Member
Joined: 17-Dec-2007
Posts: 1759
From: Gothenburg, THE front side of Sweden ;), (via Finland), EU

@Seiya

Nice graphs!

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Fab 
Re: RageMem benchmarks between OS4 machines
Posted on 21-Mar-2011 1:57:58
#38 ]
Super Member
Joined: 17-Mar-2004
Posts: 1178
From: Unknown

@Varthall

my latest public build of mplayer and mencoder is based on r32620. I have also a more recent build, but didn't notice any meaningful difference in speed, anyway.

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Rose 
Re: RageMem benchmarks between OS4 machines
Posted on 21-Mar-2011 9:09:48
#39 ]
Cult Member
Joined: 5-Nov-2009
Posts: 525
From: Unknown

@Fab

Quote:
my latest public build of mplayer and mencoder is based on r32620. I have also a more recent build, but didn't notice any meaningful difference in speed, anyway.


There's allways something wrong with test untill "right platform" wins.

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Varthall 
Re: RageMem benchmarks between OS4 machines
Posted on 21-Mar-2011 9:48:17
#40 ]
Super Member
Joined: 17-Feb-2004
Posts: 1546
From: Up Rough

@Fab
Check the results from this thread. That was on a MEncoder version built from sources downloaded on 1st November. The "MPEG-4 encoder - libavcodec" is the same as the test above. The results on the same machine, using the Altivec version:

Old MEncoder:
Pos: 4.0s 101f (100%) 9.31fps Trem: 0min 0mb A-V:0.000 [911:0]

Latest MEncoder:
Pos: 4.0s 101f (100%) 30.01fps Trem: 0min 0mb A-V:0.000 [911:0]

It might still be the "first launch with filesystem journalling" problem, although I remember I have seen significant differences at first launch with both versions.

@Rose
Quote:
There's allways something wrong with test untill "right platform" wins.

No, I can assure you that that was not my intention. I'm not interested in following any flame war between OSes, I have better ways to spend my free time.

Varthall

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