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Re: Problem with NVIDIA GeForce 8600M GT on MacBook Pro?

FWIW - on a similar Mac Book Pro (with GeForce 8600M)  and Leopard I get the same results - dramatic slowdown when running your 2 test comps as opposed to running just one of your comps

Hardware Overview:

  Model Name: MacBook Pro
  Model Identifier: MacBookPro3,1
  Processor Name: Intel Core 2 Duo
  Processor Speed: 2.6 GHz
  Number Of Processors: 1
  Total Number Of Cores: 2
  L2 Cache: 4 MB
  Memory: 2 GB
  Bus Speed: 800 MHz
  Boot ROM Version: MBP31.0070.B05
  SMC Version: 1.18f4
  Serial Number: W87471V5XA9
  Sudden Motion Sensor:
  State: Enabled

GeForce 8600M GT:

  Chipset Model: GeForce 8600M GT
  Type: Display
  Bus: PCIe
  PCIe Lane Width: x16
  VRAM (Total): 256 MB
  Vendor: NVIDIA (0x10de)
  Device ID: 0x0407
  Revision ID: 0x00a1
  ROM Revision: 3175
  Displays:
Color LCD:
  Display Type: LCD
  Resolution: 1920 x 1200
  Depth: 32-bit Color
  Built-In: Yes
  Core Image: Hardware Accelerated
  Main Display: Yes
  Mirror: Off
  Online: Yes
  Quartz Extreme: Supported

System Software Overview:

  System Version: Mac OS X 10.5.2 (9C31)
  Kernel Version: Darwin 9.2.0
  Boot Volume: Macintosh HD
  Boot Mode: Normal
  Computer Name: Dirk De Jong’s MacBook Pro
  User Name: Dirk De Jong (dirkd)
  Time since boot: 1:51




______

kingLu




On Feb 26, 2008, at 12:01 PM, Adrian Ward wrote:


Hello all,

I'm observing a dramatic reduction in FPS on a MacBook Pro with an NVIDIA GeForce 8600M GT when more than one composition is running, and one of them involves passing a structure of images into an Iterator patch.

The attached ZIP file contains a demonstration of this problem, instructions for reproduction included in the readme. I don't get this on other machines so I'm assuming this is limited to this specific NVIDIA card but I'd be grateful if anyone on this list could confirm (or otherwise) this problem.

Caveat: Requires 10.5

I'll be submitting this as a bug to Apple soon


Cheers,


Ade.



<Slow FPS Problem.zip>

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References: 
 >Problem with NVIDIA GeForce 8600M GT on MacBook Pro? (From: Adrian Ward <email@hidden>)



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