Ранее западные аналитики вспомнили речь президента России Владимира Путина на Мюнхенской конференции 20-летней давности и признали, что многие из геополитических прогнозов российского лидера были пророческими.
NFAs are cheaper to construct, but have a O(n*m) matching time, where n is the size of the input and m is the size of the state graph. NFAs are often seen as the reasonable middle ground, but i disagree and will argue that NFAs are worse than the other two. they are theoretically “linear”, but in practice they do not perform as well as DFAs (in the average case they are also much slower than backtracking). they spend the complexity in the wrong place - why would i want matching to be slow?! that’s where most of the time is spent. the problem is that m can be arbitrarily large, and putting a large constant of let’s say 1000 on top of n will make matching 1000x slower. just not acceptable for real workloads, the benchmarks speak for themselves here.。业内人士推荐谷歌浏览器【最新下载地址】作为进阶阅读
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前阿里技术高管、现Lepton AI创始人贾扬清对此发表了一段耐人寻味的评论。
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