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Groups > comp.programming.threads > #6163
| From | Kli-Kla-Klawitter <kliklaklawitter69@gmail.com> |
|---|---|
| Newsgroups | comp.programming.threads |
| Subject | Re: On feeding your CPU with data |
| Date | 2020-12-14 20:04 +0100 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <rr8d0q$n8g$1@gioia.aioe.org> (permalink) |
| References | <05e9ed16-6e3e-4fce-9235-7ae10a3d1eb4n@googlegroups.com> |
Am 14.12.2020 um 19:53 schrieb Amine Moulay Ramdane: > Hello, > On feeding your CPU with data > Read more here: > https://lemire.me/blog/2012/08/13/on-feeding-your-cpu-with-data/ These blogs are very weak although they're from a professor. What he missed is that the 1/16-loop doesn't become 16 times faster because it is limited to the speed of fetching the cachelines. That's also the limitation of the N-loop so that the performance becomes as more similar as larger the array is, i.e. it's less cachable.
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On feeding your CPU with data Amine Moulay Ramdane <aminer68@gmail.com> - 2020-12-14 10:53 -0800 Re: On feeding your CPU with data Kli-Kla-Klawitter <kliklaklawitter69@gmail.com> - 2020-12-14 20:04 +0100
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