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jlelses-blog
feeds.twtxt.net
 (2y ago)

It took me so long to find the cause of a memory leak in GoBlog. I thought it was smart to use a cache for prepared database statements. But I didn’t read the documentation and didn’t know that prepared statements need to be closed when they are no longer needed to free up the allocated resources. 🤦‍♂️ I finally fixed it by removing the prepared statement cache altogether. Less code, fewer problems in the future, and the cache wasn’t much of an improvement anyway. I also learned about the usefulness of memory profil … ⌘ Read more

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yue-fang-readfog-go
feeds.twtxt.net
 (2y ago)

以 Go 語言爲例解釋什麼是僞共享以及如何解決
本文翻譯自：What’s false sharing and how to solve it (using Golang as example)譯文在解釋僞共享（false sharing）之前，有必要簡要介紹一下 CPU 架構中緩存是如何工作的。CPU 緩存中的最小單位是緩存行（cache line）（如今，CPU 中常見的緩存行大小爲 64 字節）。因此，當 CPU 從內存讀取一個變量時， ⌘ Read more

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yue-fang-readfog-go
feeds.twtxt.net
 (2y ago)

go-cache: 採用 Cache-Aside 模式的多層 Go 緩存
在現代的應用程序開發中，緩存是提高性能和擴展性的關鍵技術之一。在 Go 語言的生態系統中，有許多優秀的緩存庫，其中之一便是go-cache。本文將詳細介紹go-cache庫及其使用方法，旨在幫助開發者更好地利用緩存提高應用程序的性能。什麼是 go-cache？————-go-cache是一個靈活的多層緩存庫，設計用於處理內存緩存和共享緩存。它採用了 Cache-Aside（旁路緩存 ⌘ Read more

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xuu
txt.sour.is
 (2y ago)
↳ In-reply-to » Google Chrome will have Gemini LLM built into the browser.

@bender@twtxt.net He is running on the latest macbook pro with 128G memory. though the chrome app seems to be sitting at 125MB. i am a bit suspicious about that stat since we dont see all the worker threads and he is currently sitting on 40GB of non cache ram.

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