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What I've Learned
，更多细节参见新收录的资料
[4]全员劳动生产率为国内生产总值（按2020年价格计算）与全部就业人员的比率。。业内人士推荐新收录的资料作为进阶阅读
先看成本。一块适合基站的GPU，价格不是小数。功耗也不是小数。如果要在几十万个基站里全部部署，那将是一笔天文数字的资本开支。而运营商现在的日子并不好过，流量增长但收入不增，是过去十年全球电信行业的普遍困境。在这种背景下，让运营商掏钱给每个基站升级GPU，难度可想而知。
In a very simple system separate FFmpeg command lines can generate the encodings for each lane one-by-one in serial. This could be optimized by running each command in parallel, but this quickly becomes inefficient due to the duplicate work done by each process.