Radeon Gallium3D PCI Express 2.0

For a future article on Michael Larabel's Phoronix.com looking at PCI Express 2.0 (PCI-E 2.0) performance when using the open-source Radeon driver stack (latest Linux kernel Radeon DRM, Mesa 8.0 R600g Gallium3D, xf86-video-ati Git DDX) and toggling the radeon.pcie_gen2 kernel module parameter on a few different ATI/AMD Radeon graphics cards with PCI Express 2.0 support under Ubuntu Linux.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1201143-BY-RADEONGAL97
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Result
Identifier
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Performance Per
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Date
Run
  Test
  Duration
Radeon HD 4670: Default
January 13 2012
 
Radeon HD 4670: PCI-E 2.0
January 13 2012
 
Radeon HD 6950: Default
January 13 2012
 
Radeon HD 6950: PCI-E 2.0
January 13 2012
 
Radeon HD 5750: Default
January 13 2012
 
Radeon HD 5750: PCI-E 2.0
January 13 2012
 
Radeon HD 6870: Default
January 14 2012
 
Radeon HD 6870: PCI-E 2.0
January 14 2012
 
Radeon HD 4770: Default
January 14 2012
 
Radeon HD 4770: PCI-E 2.0
January 14 2012
 
Radeon HD 4890: Default
January 14 2012
 
Radeon HD 4890: PCI-E 2.0
January 14 2012
 
Radeon HD 5450: Default
January 14 2012
 
Radeon HD 5450: PCI-E 2.0
January 14 2012
 
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