How fast are Linux pipes anyway?
How fast are Linux pipes anyway?
mazzo.li How fast are Linux pipes anyway?
Pipes are ubiquitous in Unix --- but how fast can they go on Linux? In this post we'll iteratively improve a simple pipe-writing benchmark from 3.5GiB/s to 65GiB/s, guided by Linux `perf`.
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On my machine, the L2 cache is 256KiB
Is this a typo or are they running on a Pentium 3?
That's a reasonable per-core size, and it doesn't make much sense to add all the cores up if your goal is to fit your data within L2 (like in the article)