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XFX Radeon HD 6870 2GB GDDR5 low score at Cinebench

xfx 6870 radeon cinebench

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#21
Tredvesone

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Hi,

I haven't tried r1493. Chimera 1.7 works ok but gives me the errors tho. I dont play games so it doesn't bother me that much. Anyhow, when I tried Chimera 1.7 vs the latest chameleon there where no difference in fps. Mine is always around 36. My old GTX260 gave me 32. So 36 is way to low ;)

#22
xelanaiznac

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hi guys. i have a vapor x 6870 1gb ram, and i got only 32fps on cinebench. both using smbios 3,1 or 5,1.

i'm using ##### 4.2.1

i've tried artur's next, but fps didn't increase

#23
kantok

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Hi,
I've tested artur's kext in my MacPro 3,1 & 6870.
I've modified IOPlatformPluginDevice to MacPro3,1 in the info.plist.
But graphicpowermanagement cannot be not loaded.
Is it impossible to work graphicpower in my hack?

#24
xelanaiznac

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kantok, to load agpm you have to choose macpro4,1 or macro5,1, not mapro3,1

#25
kantok

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Hi xelanaiznac,
When I choose macpro4,1, I got KP. It's because of my board and cpu (EP45-UD3P & Q9550)?
Now set to iMac11,1, it seems almost OK except istat menu temperature.
But my 6870 seems to working properly.
Thanks sooo much!

#26
xelanaiznac

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which kind of installation did you use? tonymac ##### or something else?
what's your cinebench score?

#27
Matty___

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You can't compair cinebench score without knowing the CPU.
I upgraded from a q9300 to an i7 2600k with the same videocard. score increased from 31 to 57.

#28
xelanaiznac

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hi matty, i know this, but i can't understand why i reach only 32 fps with my i7 990x, more powerful than an i7 2600k or something else

#29
BALDY MAN

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    i enjoy the hard wear side of things. and have using w...
my cinebench score

COMMENT=Results provided are typical, although not derived from specific testing procedures.
COMMENT=
CORES=4
LOGICALCORES=2
MHZ=4206.000000
PROCESSOR=Intel Core i7 CPU 950
OPENGLVENDOR=ATI Technologies Inc.
OPENGLCARD=ATI Radeon Barts XT Prototype OpenGL Engine
OPENGLVERSION=2.1 ATI-7.18.11
CBTYPE=64 BIT
OSVERSION=OS X 10.7.3
CBCPU1=0.000000
CBCPUX=0.000000
CBOPENGL=51.630432
CBOPENGLQUALITY=99.307182
C4DINFO=
C4DVERSION=11.529
C4DBUILDID=CB25720demo

#30
Matty___

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hi matty, i know this, but i can't understand why i reach only 32 fps with my i7 990x, more powerful than an i7 2600k or something else

is the old i7 faster then a 2600k? but anyways 32 is way to low. I got this with my q9300. did you run the test after rebooting or after wake from sleep?

#31
TH3L4UGH1NGM4N

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@ Matty____ Indeed the 990X benchmark wise in certain areas beats out the 2600K due to the fact that hte 990 has 2 cores more than the 2600. Maybe older but it's still the cream of the crop i7 hexacore.

#32
xelanaiznac

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just updated bios, with fd13 version (beta bios), dsdt patched by madlon's dsdt auto patcher, now i reach 41 fps with cinebench (smbios 5,1)

#33
Zeblade

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Hmm well with a 2600k and ATI 6870 1gb had a low scrore like 40 something before but did nothing but update 10.7 to 10.7.3? And now 53. No dsdt blah blah blah. Oh I dont think its running with duckweed could be wrong.. never checked.

#34
Tredvesone

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With 10.7.3 I reached 38.33. But still too low I guess. Anyway its working ok.

#35
garcia456891

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This is from ###### forum:

http://tonymacx86.co...=47620&start=10


I was getting 6.4 fps on Unigine Heaven 3.0.

This is what I did: http://www.osx86.net...phics-card.html

The following is in guide mode:

Open Terminal from Spotlight

Backup AppleGraphicsPowerManagement.kext
sudo cp -R /System/Library/Extensions/AppleGraphicsPowerManagement.kext /System/Library/Extensions/AppleGraphicsPowerManagement.kext.Backup
Copy AppleGraphicsPowerManagement.kext to Desktop
sudo cp -R /System/Library/Extensions/AppleGraphicsPowerManagement.kext ./Destop/
Right Click the AppleGraphicsPowerManagement.kext on Desktop, select "Show Package Contents"

Open "Contents"

Right click "Info.plist", select "Open With" > "TextEdit"

Scroll down to your mac version. Mine is "MacPro5,1", so I selected "Edit" > "Find" > "Find..." and I typed "MacPro5,1"
Under there there are two properties that begin with
<key>Vendor10deDevicexxxx</key>
I changed the last four digits to the Vendor ID on the string for the Vendor ID of my card; which is ATI(0x1002). You should look up yours under "Apple Logo" > "About This Mac" > "System Report" > "Graphics/Displays" and look for the value of "Vendor".

The property that I changed was the one with the higher "Threshold" values, I suppose that those are the Temp/Load/Fan values???

so this is what I ended up with:
<key>MacPro5,1</key>
<dict>
<key>Vendor10deDevice05e2</key>
<dict>
<key>Heuristic</key>
<dict>
<key>ID</key>
<integer>0</integer>
<key>IdleInterval</key>
<integer>250</integer>
<key>SensorOption</key>
<integer>1</integer>
<key>SensorSampleRate</key>
<integer>4</integer>
<key>TargetCount</key>
<integer>5</integer>
<key>Threshold_High</key>
<array>
<integer>87</integer>
<integer>87</integer>
<integer>87</integer>
<integer>100</integer>
</array>
<key>Threshold_Low</key>
<array>
<integer>0</integer>
<integer>87</integer>
<integer>87</integer>
<integer>87</integer>
</array>
</dict>
<key>LogControl</key>
<integer>0</integer>
<key>control-id</key>
<integer>18</integer>
</dict>
<key>Vendor10deDevice1002</key>    <<< I changed this
<dict>
<key>Heuristic</key>
<dict>
<key>ID</key>
<integer>0</integer>
<key>IdleInterval</key>
<integer>250</integer>
<key>SensorOption</key>
<integer>1</integer>
<key>SensorSampleRate</key>
<integer>4</integer>
<key>TargetCount</key>
<integer>5</integer>
<key>Threshold_High</key>
<array>
<integer>93</integer>
<integer>93</integer>
<integer>93</integer>
<integer>100</integer>
</array>
<key>Threshold_Low</key>
<array>
<integer>0</integer>
<integer>97</integer>
<integer>97</integer>
<integer>97</integer>
</array>
</dict>
<key>LogControl</key>
<integer>0</integer>
<key>control-id</key>
<integer>18</integer>
</dict>
<key>default-control-id</key>
<integer>18</integer>
</dict>

Save it with "Command"+"S" key combo.
Close TextEdit
Remove old kext
sudo rm -rf /System/Library/Extensions/AppleGraphicsPowerManagement.kext 
Copy new kext
sudo cp -R ./Desktop/AppleGraphicsPowerManagement.kext /System/Library/Extensions/
Repair Permissions of main drive using "Disk Utility"
Reboot

After this I was getting 57 FPS on the Unigine Heaven 3.0 Benchmark :headband:

I assume that for GPU power management to work, your board's "DSDT.aml", "FakeSMC", and the "FakeSMC AMD" plugin need to be installed.

#36
kulos

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hello

i send two kext

try one and another

and use the best fit to u

test also with openglviewer4

is free in apple store

good hack




Hi

I'm also struggling with the performance of my newly acquired HD 6870 (1GB PowerColor). No matter what I do the score stays at 32-33. I've tried the above mentioned LegacyAGPMs with SMBIOS identifier set to MacPro5,1 and Id set to 17 or 18 as well as SMBIOS set to iMac12,2 after editing the LegacyAGPM.kextst correspondingly. Further these variables have been combined with Chimera 1.10.0 and Chameleon r1493 as well as various frame buffers (Bulrushes, Duckweed, Gibba).

There are just to many combinations of parameters to test everything. I would appreciate some help if anyone has succeeded in overcoming this performance issue. Windows XP 32-bit gives me a score of ~55.

CPU: Q6600@3.2GHz GB RAM:GA-EP35-DS4 VGA: PowerColor HD6870 1GB

Edit:
BTW, the LegacyAGPM.kexts loads at writes G-state set from 0 to 0 (or similar) at boot up

#37
artur-pt

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hello

only imac use that series of ati graphics

so my advice is to play with the several imac config for ati graphics power management

in example above, someone edit the graphicspowermanagement kext with a config for a nvidia graphics card and he is using a ati ?

good hack

#38
kulos

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hello

only imac use that series of ati graphics

so my advice is to play with the several imac config for ati graphics power management

in example above, someone edit the graphicspowermanagement kext with a config for a nvidia graphics card and he is using a ati ?

good hack


It is hard to understand why NVIDIA parameters found within the graphicspowermanagement.kext´s Info.plist should activate proper power management for ATI cards as the parameters are substatially different. I´ll give it a shot though!

I have no clue what the various "integer" settings mean, but could it be possible to extract the correct settings from a Linux or Windows system?
If anyone has deciphered the various ATI parameters in any way, I would appreciate some hints.

The LegacyAGPM.kext posted above locates to CPU0@0 in IORegistryExplorer. Correct??

Greetings!

#39
TH3L4UGH1NGM4N

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As far as I know, ATI/AMD power management has been better than Nvidia's own which is the reason why the Fermi freeze occurs.

#40
artur-pt

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hi

macpro5,1

Attached File  Captura de ecrã 2012-06-26, às 18.26.30.png   202.28KB   108 downloads Attached File  Captura de ecrã 2012-06-26, às 18.26.58.png   192.55KB   90 downloads

that is an example what i say to u macpro5,1 use a ati card but is not the one u have

so if u use smbios macpro5,1 the graphicspowermanagement is for a ati graphics 5xxx

good hack





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