# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/grlcfsq
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徹底理解零拷貝技術，zero-copy**
大家好，我是島主小風哥，今天聊聊零拷貝。計算機處理的任務大體可以分爲兩類：CPU 密集型與 IO 密集型。當前流行的互聯網應用更多的屬於 IO 密集型，傳統的 IO 標準接口都是基於數據拷貝的，這篇文章我們主要關注該怎樣從數據拷貝的角度來優化 IO 性能，讓你的程序在 IO 性能方面趕超 P8。爲什麼 IO 接口要基於數據拷貝？操作系統本質上就是一個管家，目的就是更加公平合理的給各個進程分配硬件資 ⌘ Read more