The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.
Russell Brandom has been covering the tech industry since 2012, with a focus on platform policy and emerging technologies. He previously worked at The Verge and Rest of World, and has written for Wired, The Awl and MIT’s Technology Review.
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丰田表示，包括子公司大发汽车和日野汽车在内的1月销量同比增长4.8%至887266辆，创下历年1月销量新高。1月份，丰田和雷克萨斯品牌在美国销量增长8.1%，在中国增长6.6%。1月份母公司海外汽车生产量同比下降5.9%至485270辆。（财联社）
Discord is rolling out facial scanning and ID checks globally in March for users who don't want to be locked into a 'teen-appropriate experience'
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What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.