Optimizing pixman for Loongson: Process and Results

The Lemote Yeeloong is a small notebook that is often the computer of choice for Free Software advocates, including Richard Stallman. It's powered by an 800 MHz STMicroelectronics Loongson 2F processor and has an antiquated Silicon Motion 712 graphics chip. The SM712's acceleration features are pretty subpar for today's standards, and performance of the old XFree86 Acceleration Architecture (XAA) that supports the SM712 has slowly decayed as developers move to support newer hardware and newer acceleration architectures. In short, graphics performance of the SM712 isn't very good with new X servers, so how can we improve it?

Read More – Tags: freedesktop gentoo linux loongson mips pixman xorg yeeloong