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jvns/howcomputer

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how does a computer even (or: fun with profiling)

3 mentions on Hacker News by 3 people: 0 stories, 3 comments · first 2014-05-13 · latest 2014-05-13

Mentions per year 3 mentions · busiest year 2014 (3)
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  1. yeah, I tried prefetching like this: https://github.com/jvns/howcomputer/blob/master/bytesum_pref... (using MAP_POPULATE instead of hugepages) and got a slight slowdown
    comment by jvns · 2014-05-13 · in Computers are fast
  2. …(by passing -O3), but I can't seem to get GCC to do anything but a byte-by-byte tranversal. [1]: https://github.com/jvns/howcomputer/blob/master/bytesum.c
    comment by dbaupp · 2014-05-13 · in Computers are fast
  3. …a feeling for how slow it will be or how fast it can get; yet I'd like to point out that this... https://github.com/jvns/howcomputer/blob/master/bytesum_intr... ... might be 0.1 Seconds faster than the original code when started as…
    comment by cessor · 2014-05-13 · in Computers are fast