Always in the middle of something.

Chasing ideas across ML, AI, and data. Building tools when the rabbit hole gets interesting enough.
Python

Python 3.14's free-threaded build

A look at Python 3.14's free-threaded build through the CPython 3.14 docs and source: installing and identifying it, what happens when it imports a C extension, and what it costs in speed and memory.

2026-09-10 · 5 min read · 951 words · KbWen · EN
Machine Learning

bfloat16 vs float16: how two 16-bit formats split their bits

A look at bfloat16 and float16 through their bit layouts, loss scaling, and a small example of low-precision addition.

2026-09-10 · 3 min read · 544 words · KbWen · EN
Python

Python 3.14 的 free-threading build

Python 3.14 起 free-threading build 正式支援,GIL 可以在執行期關掉。這篇說明 GIL 原本負責什麼、怎麼判斷使用的 python 有沒有真的關掉 GIL,以及關掉之後單執行緒與 C 擴充套件相容性的影響。

2026-09-10 · 4 min read · 1546 words · KbWen · ZH
What Claude's text watermark attaches to
AI Systems

What Claude's text watermark attaches to

Where the watermark in Claude's output can sit, and what a check on it would report. From Anthropic's 14 August announcement and the SynthID-Text paper behind it.

2026-08-25 · 6 min read · 1088 words · KbWen · EN
Claude 的文字浮水印怎麼運作
AI Systems

Claude 的文字浮水印怎麼運作

Anthropic 說明了未來 Claude 的文字浮水印怎麼做:做法是換一個亂數來源,用來決定下一個字挑哪一個,不加字也不多花 token。這篇是來聊聊我們目前獲得的資訊有哪些。

2026-08-25 · 4 min read · 1918 words · KbWen · ZH
Google's Agentic Calling, From the Business Side
AI Systems

Google's Agentic Calling, From the Business Side

Google Search will phone a local business on a searcher's behalf. The Business Profile help page says what makes it dial, what stops it, where it is unavailable, and what your answer becomes afterwards.

2026-08-20 · 4 min read · 838 words · KbWen · EN
Google 幫你打電話問店家有沒有貨,實際上是怎麼跑的
AI Systems

Google 幫你打電話問店家有沒有貨,實際上是怎麼跑的

在美國用 Google 搜尋查附近哪裡有貨,結果頁會多出一個選項,按下去後 Google 會打電話去問附近幾家店,再把摘要寄給你。這篇照著官方說明描述一次流程是怎麼進行的,也會順便看看店家那一邊的規則。

2026-08-19 · 4 min read · 1537 words · KbWen · ZH
What the parameter count in a model's name means
AI Systems看中文版

What the parameter count in a model's name means

The B in a name like gpt-oss-20b counts parameters, in billions. Multiply that count by the bytes each parameter takes and you get a floor for the memory the weights need. That is also why some models now ship with two numbers instead of one.

2026-08-14 · 5 min read · 855 words · KbWen · EN
7B、70B 是什麼意思?看懂模型名字裡的參數量
AI SystemsRead in English

7B、70B 是什麼意思?看懂模型名字裡的參數量

模型的 7B、70B、235B 講的是參數量,B 就是十億。這篇說明參數量代表什麼、怎麼換算,以及 Qwen3-235B-A22B 這種寫法裡的兩個數字又各自代表什麼。

2026-08-14 · 3 min read · 1382 words · KbWen · ZH
Running more AI reviewers on the same code
AI Systems

Running more AI reviewers on the same code

Fan three or four AI reviewers at the same diff and what comes back is a list of candidates. Agentic OS's own audit records show how many survive checking, and why its default has dispatched subagents return evidence while one primary owns the write.

2026-08-08 · 6 min read · 1220 words · KbWen · EN