Daniel Lemire's blog
Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512

Telegraph | source

Telegraph

Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s usin…

Though most strings online today follow the Unicode standard (e.g., using UTF-8), the Latin 1 standard is still in widespread inside some systems (such as browsers). It captures the first 256 characters from the Unicode standard and represents them as a single…

https://lists.debian.org/debian-devel-announce/2023/08/msg00000.html LoongArch architecture added to Debian Ports

气动门我的气动门去哪了😭

#今日看了什么
https://plbrault.com/blog-posts/i-created-the-nerdierst-game-ever-en/

Plbrault

I Created the Nerdiest Game Ever

Have you ever wondered what it's like to be an OS?

#今日看了什么
https://jprahman.substack.com/p/sapphire-rapids-core-to-core-latency

Substack

Sapphire Rapids Core-To-Core Latency

In my previous post, I covered the latest generation of AMD CPUs (Rome + Milan).

#龙芯 #JamesAslan
https://zhuanlan.zhihu.com/p/649582331

知乎专栏

数据预取器的奥义？Zen4 Data Prefetcher单变量测试

前言现代处理器面临的访存墙问题愈发显著，这是一个老生常谈的话题。根据本人常年潜水混迹于各大论坛的经验，不同人群对这一问题也有不同的关注点。对于数码爱好者而言，Cache层级的数量、容量，memory类型（DDR4…

Chips and Cheese
ARM’s Cortex A710: Winning by Default
#ChipAndCheese

source
(author: clamchowder)

Chipsandcheese

ARM’s Cortex A710: Winning by Default

ARM Ltd has been dominating the Android world for the better part of the last decade, with their 7-series cores at the forefront of their success.

Arch Linux: Recent news updates
budgie-desktop >= 10.7.2-6 update requires manual intervention

When upgrading from budgie-desktop 10.7.2-5 to 10.7.2-6, the package mutter43 must be replaced with magpie-wm, which currently depends on mutter. As mutter43 conflicts with mutter, manual intervention is required to complete the upgrade.

First remove mutter43, then immediately perform the upgrade. Do not relog or reboot between these steps.

pacman -Rdd mutter43

pacman -Syu

source
(author: Campbell Jones)

#今日看了什么
https://github.com/breezy-weather/breezy-weather

GitHub

GitHub - breezy-weather/breezy-weather: A feature-rich weather app with good visualizations and more than 50 sources.

A feature-rich weather app with good visualizations and more than 50 sources. - breezy-weather/breezy-weather

Daniel Lemire's blog
Science and Technology links (August 6 2023)

Telegraph | source

Telegraph

Science and Technology links (August 6 2023)

In an extensive study, You et al. (2022) found that meat consumption was correlated with higher life expectancies:Meat intake is positively correlated with life expectancies. This relationship remained significant when influences of caloric intake, urbanization…

Chips and Cheese
Sandy Bridge: Setting Intel’s Modern Foundation
#ChipAndCheese

Telegraph | source
(author: clamchowder)

Telegraph

Sandy Bridge: Setting Intel’s Modern Foundation

Processor companies typically iterate off proven designs, and for good reason. Changing too many things at once introduces a lot of risk. A lot of changing parts makes it hard to get a good picture of overall performance, so it also makes tuning difficult.…

Easton Man's Channel

今日大无语事件 libtirpc我以为没人用，结果寄了

路过深圳，把机器修了

观测到币总在rvsc要诈骗超长rvv

成功被港铁金钟站四条线+地上12345678层搞晕

#今日看了什么
APX还加了访存相关的谓词化