Raspberry Pi's Desktop Likely Switching To Compton For Better Performance
Written by Michael Larabel in Desktop on 15 November 2016 at 06:55 AM EST. 3 Comments
DESKTOP --
Raspberry Pi's Raspbian Debian-based Linux distribution had been using xcompmgr as its compositing window manager on the desktop, but now they will likely be switching to the Compton fork for better performance.

Over xcompmgr, Compton does allow for page-flipping to yield tear-free screen updates and it also provides unredirection of full-screen windows to get page-flipping directly from the OpenGL app without an extra copies. Broadcom developer Eric Anholt has also provided some recommendations to the Compton developer for better optimizing its performance for tiled-renderers like is common for ARM devices. He thinks some tiled renderer improvements could "improve its performance for windowed updates significantly."

Compton isn't yet the default on Raspbian but expect that change-over to happen soon. VC4 developer Eric Anholt shared these details in his latest weekly blog post. In there he also shared the latest work too on multi-threaded fragment shaders.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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