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gtx670 - am i going insane? continual poor performance

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vnx

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Nov 29, 2011
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gigabyte z77x ud5h - OsX Mavericks
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i5 3570k 3.9 overcloked
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evga gtx 670 4g ftw
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  1. Mac Pro
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I'm sorry, you've solved with a clean install of 10.9 ...? results luxmark changed?
 
Joined
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Supermicro X8DTL
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2x X5670
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GT 730
nope, results the same after a clean reformat :(

i tried mac pro 6,1 smbios last night, no change there either.
went to try 5,1 but it caused a KP and I didnt have a chance to go further with it before bed. i will try 4,1 and 5,1 tonight and report back.

its gotta be some kind of driver thing but im totally stumped on what would be bottlenecking it like this. same machine, second hard drive (also wd 1tb blue) with "other method" 10.8.2 and it consistently scores ~1150 in luxmark 2.1 sala test.
 
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53
Motherboard
Supermicro X8DTL
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2x X5670
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GT 730
update:

mac pro 4,1 = kp on boot
mac pro 5,1 = kp on boot
mac pro 6,1 = boots, same results (618 in luxmark sala)
imac 13,2 = boots, same results (~615 in luxmark sala)


thinking i may just jump to the R9-280X at this point.
 
Joined
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Messages
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Motherboard
Supermicro X8DTL
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2x X5670
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GT 730
im going to do some testing tonight based off this thread i found in netkas' site, concerning the card running at PCIe 1.0 and 2.0 speeds. it says that the mac pro 3,1 wont even run at 2.0 speeds so this could be a clue.
however, by that rationale I should have seen different results when running the mac pro 6,1 smbios. however, that doesnt necessarily mean that it is actually running at 2.0 speeds.

im just stabbing in the dark at this point so this may be fruitless.

netkas thread:
http://forum.netkas.org/index.php?topic=8400.0
"Keep in mind that recent NVIDIA drivers enable PCIE 2.0 in OSX on 4,1/5,1 Mac Pros but not on 3,1. Booting into Windows it is easier to tell right away. Our EFI'd cards are the only ones running at PCIE 2.0, unflashed Nvidia cards are all stuck at 1.0. "
 
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Gigabyte GA-Z97X-UD5H
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im going to do some testing tonight based off this thread i found in netkas' site, concerning the card running at PCIe 1.0 and 2.0 speeds. it says that the mac pro 3,1 wont even run at 2.0 speeds so this could be a clue.
however, by that rationale I should have seen different results when running the mac pro 6,1 smbios. however, that doesnt necessarily mean that it is actually running at 2.0 speeds.

im just stabbing in the dark at this point so this may be fruitless.

netkas thread:
http://forum.netkas.org/index.php?topic=8400.0
"Keep in mind that recent NVIDIA drivers enable PCIE 2.0 in OSX on 4,1/5,1 Mac Pros but not on 3,1. Booting into Windows it is easier to tell right away. Our EFI'd cards are the only ones running at PCIE 2.0, unflashed Nvidia cards are all stuck at 1.0. "

Well in my case if i let the bios on Auto or PCI 3.0 then starts to freeze, and this happening also on windows, but on windows the nvidia driver crashes. If i force the Bios to PCI 2.0 then it's very stable. Also right now i loaded nvidia web drivers after reading this thread http://www.tonymacx86.com/graphics/123974-nvidia-web-drivers-10-9-x-mavericks-found.html but that didn't make any change.

check my scores.
 

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vnx

Joined
Nov 29, 2011
Messages
31
Motherboard
gigabyte z77x ud5h - OsX Mavericks
CPU
i5 3570k 3.9 overcloked
Graphics
evga gtx 670 4g ftw
Mac
  1. Mac Pro
Classic Mac
Mobile Phone
the kernel panic with smbios 4.1 and 5.1 is the fact that you have to delete a kext in system/library/extensions...the kext is:AppleTyMCEDriver.kext
 
Joined
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Messages
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Motherboard
Supermicro X8DTL
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2x X5670
Graphics
GT 730
thank you VNX!!! I will try that tonight. didnt get a chance to mess with it at all last night unfortunately :(
 
Joined
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Messages
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Supermicro X8DTL
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GT 730
no luck unfortunately with switching to a 4,1 or 5,1 mac pro definition, same result
(thanks again for that tip, vnx, that's something that has stumped me for a while)
 

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vnx

Joined
Nov 29, 2011
Messages
31
Motherboard
gigabyte z77x ud5h - OsX Mavericks
CPU
i5 3570k 3.9 overcloked
Graphics
evga gtx 670 4g ftw
Mac
  1. Mac Pro
Classic Mac
Mobile Phone
not at all,but I do not think that the results depend luxmark from SMBIOS.....
 
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