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by IsaacSchlueter
5146 days ago
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The discrepancy in this benchmark is almost entirely copying the results of read(2) into a userspace buffer. OS caching is important, but it's not the whole story here. As some other commenters pointed out, if you pre-load the file contents, the discrepancy goes away. Also, if you actually limit vert.x to 1 CPU, it gets erratic and loses any performance benefits. |
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