verrrrrrr
AMD Athlon II P320 testing with a Acer Aspire 4551 and AMD Mobility Radeon HD 4200 256MB on Ubuntu 12.10 via the Phoronix Test Suite.


no tiling: 

	Processor: AMD Athlon II P320 @ 2.10GHz (2 Cores), Motherboard: Acer Aspire 4551, Chipset: AMD RS880, Memory: 6144MB, Disk: 180GB Corsair Force 3 + 320GB TOSHIBA MK3265GS, Graphics: AMD Mobility Radeon HD 4200 256MB, Audio: Realtek ALC272X, Network: Broadcom NetLink BCM57780 Gigabit PCIe + Atheros AR928X Wireless

	OS: Ubuntu 12.10, Kernel: 3.5.0-17-lowlatency (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.13.0, Display Driver: radeon 6.99.99, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1366x768

tiling: 

	Processor: AMD Athlon II P320 @ 2.10GHz (2 Cores), Motherboard: Acer Aspire 4551, Chipset: AMD RS880, Memory: 6144MB, Disk: 180GB Corsair Force 3 + 320GB TOSHIBA MK3265GS, Graphics: AMD Mobility Radeon HD 4200 256MB, Audio: Realtek ALC272X, Network: Broadcom NetLink BCM57780 Gigabit PCIe + Atheros AR928X Wireless

	OS: Ubuntu 12.10, Kernel: 3.5.0-17-lowlatency (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.13.0, Display Driver: radeon 6.99.99, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1366x768


GtkPerf 0.40
GTK Widget: GtkDrawingArea - Pixbufs
Seconds < Lower Is Better
no tiling . 11.00 |============================================================
tiling .... 10.34 |========================================================