Willy Tarreau's stuff

Brain dumps. Reports about experiments, ideas, and various stuff that's more useful on the net than written on paper stacked on my desk.

2025-05-04

Performance comparison of EB trees and CEB trees

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Background This is a follow up for the previous article on CEB trees . It documents a performance test that was run on both libraries wh...
2025-03-09

On the design of Compact Elastic Binary Trees (cebtree)

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Those who often hear me discuss about my week-end projects have been accustomed to hearing about deuterium fusion (that's for another po...
2024-12-08

Adding a cheap and simple RTC to Rockchip devices

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Background There are plenty of nice devices these days designed around ARMv8.2 SoCs such as RK3568 or variations around RK3588. Many of them...
2024-07-28

Improving A Laser Engraver's Resolution And Accuracy

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Baby steps are important Four years after I wrote about some improvements brought to my Eleksmaker laser engraver, I made quite a lot of pr...
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Willy Tarreau
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