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#TIL
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d4148aeab412432bf928f311eca8a2ba52bb05df

reports regressions in various spec benchmarks, with
up to 600% slowdown of the cactusBSSN benchmark on some platforms. The
benchmark seems to create many mappings of 4632kB, which would have merged
to a large THP-backed area before commit efa7df3e3bb5 and now they are
fragmented to multiple areas each aligned to PMD boundary with gaps
between. The regression then seems to be caused mainly due to the
benchmark's memory access pattern suffering from TLB or cache aliasing due
to the aligned boundaries of the individual areas
Canokeys Canary 开售
https://item.taobao.com/item.htm?id=858392263741
3.0.0有以下注意事项:
1. 不支持 U2F
2. 不支持在 macOS 上通过 Safari 访问 FIDO
3. 不支持在 iPhone 上通过 Type C 接口访问 FIDO
Daniel Lemire's blog
Parsing floats at over a gigabyte per second in C#

source
Arch Linux: Recent news updates
Providing a license for package sources

Arch Linux hasn't had a license for any package sources (such as PKGBUILD files) in the past, which is potentially problematic. Providing a license will preempt that uncertainty.

In RFC 40 we agreed to change all package sources to be licensed under the very liberal 0BSD license. This change will not limit what you can do with package sources. Check out the RFC for more on the rationale and prior discussion.

Before we make this change, we will provide contributors with a way to voice any objections they might have. Starting on 2024-11-19, over the course of a week, contributors will receive a single notification email listing all their contributions.

If you receive an email and agree to this change, there is no action required from your side.
If you do not agree, please reply to the email and we'll find a solution together.

If you contributed to Arch Linux packages before but didn't receive an email, please contact us at [email protected].

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(author: Rafael Epplée)
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