# нет покоя ебанутым

Published articles for нет покоя ебанутым.

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## Hidden Manufacturing Defects in Modern CPUs Can Produce Reproducible Incorrect Results

DevFeed: [Hidden Manufacturing Defects in Modern CPUs Can Produce Reproducible Incorrect Results](<https://devfeed.tech/articles/cores-that-don-t-count-24781.md>)

Original publisher: [Read original article](<https://dev.cheremin.info/2021/06/cores-that-dont-count.html>)

Author: Ruslan Cheremin (noreply@blogger.com)

Published: 2021-06-14T15:41:00Z

Content type: opinion

Language: ru

Sources: [\>рабочие заметки](<https://devfeed.tech/sources/source-2.md>)

Topics: [cpu](<https://devfeed.tech/topics/cpu.md>), [bug](<https://devfeed.tech/topics/bug.md>), [Google](<https://devfeed.tech/topics/google.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [google](<https://devfeed.tech/tags/google.md>), [tag-88bad1e8f274](<https://devfeed.tech/tags/tag-88bad1e8f274.md>)

### AI overview

The article discusses research by Google engineers and others suggesting that some modern CPUs contain hidden manufacturing defects that can reproducibly produce incorrect results for certain instructions. These defects may pass standard manufacturer testing and occur at an estimated rate of roughly 0.01% to 0.1% of server CPU cores.

### Source excerpt

TL;DR: Инженеры гугла утверждают, что примерно 0.1% современных процессоров содержат дефекты, ускользнувшие от техконтроля производителя, из-за чего некоторые инструкции на таких процессорах втихую дают неправильный результат. Вероятно, доля таких производственных дефектов будет расти. Вероятно, пора отвыкать думать о процессоре как об идеальном вычислителе, и искать способы создавать такие

## Queueing theory for fun and practice (#1): square root staffing, Little's law

DevFeed: [Queueing theory for fun and practice (#1): square root staffing, Little's law](<https://devfeed.tech/articles/queueing-theory-for-fun-and-practice-1-square-root-staffing-little-s-law-24776.md>)

Original publisher: [Read original article](<https://dev.cheremin.info/2020/07/queueing-theory-for-fun-and-practice-1.html>)

Author: Ruslan Cheremin (noreply@blogger.com)

Published: 2020-07-24T12:35:00Z

Content type: tutorial

Language: ru

Sources: [\>рабочие заметки](<https://devfeed.tech/sources/source-2.md>)

Topics: [queueing theory](<https://devfeed.tech/topics/queueing-theory.md>)

Tags: [operations](<https://devfeed.tech/tags/operations.md>), [queueing-theory](<https://devfeed.tech/tags/queueing-theory.md>), [research](<https://devfeed.tech/tags/research.md>), [square](<https://devfeed.tech/tags/square.md>), [tag-88bad1e8f274](<https://devfeed.tech/tags/tag-88bad1e8f274.md>), [tag-e5017782b67f](<https://devfeed.tech/tags/tag-e5017782b67f.md>), [theory](<https://devfeed.tech/tags/theory.md>)

### AI overview

This introductory article begins a series on queueing theory, presenting the author's plan to explain simple, broadly applicable principles, their practical uses, and the assumptions behind them. The planned topics include terminology, capacity and scaling, Little's law, response time versus utilization, and Erlang systems. The author notes that the material is an informal personal summary rather than an expert treatment.

### Source excerpt

На 28-ом этаже центра разработки крупного инвестиционного банка есть 8 туалетных кабинок для людей, идентифицирующих себя с мужским гендером...