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Wandboard boot time optimization

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Published on Feb 29, 2016

Boot time optimization on a standard Wandboard Quad

- booting from a consumer grade SDCard ("Intenso" 4 GB)
- measure boot time from power on to start of a graphical user space
application (fbi - Linux framebuffer image viewer)

LEFT: standard Wandboard Ubuntu image downloaded from http://wandboard.org/index.php/downloads - community software (not optimized) - U-Boot v2014.10 - Linux Kernel v3.10.53 - Ubuntu 10.04.2 LTS - standard desktop configuration

RIGHT: DENX software (optimized for fast booting) - U-Boot SPL v2016.01 in Falcon Mode - Mainline! - Linux Kernel v4.4 LTS - Mainline! - Yocto 2.0 Jethro - optimized embedded Linux configuration

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