Tag Archives: redmine

Ruby 2.4 中 Hash Table 的效能改善

前幾天 Ruby 推出了 2.4.0 (Ruby 2.4.0 Released),其中特別被拿出來提的:「Introduce hash table improvement (by Vladimir Makarov)」。 討論串很長而且歷時很久,但可以看出來方向是提高 CPU cache 效率: Modern processors have several levels of cache. Usually,the CPU reads one or a few lines of the cache from memory (or another level … Continue reading

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