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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