# 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/twyrzba
PGO: 爲你的 Go 程序提效 5-
PGO (基於 profile 指導的優化) 在 Go 1.20 中還屬於預覽狀態, 在 Go 1.21 中已經生產可用了, 未來 PGO 還有很宏偉的目標 [1],但是現在已經可以很好的幫助我們提高程序的性能呢,根據程序的不同,可能會帶來 2% ~ 7% 的提升,不要小看這個提升,如果你是在大廠做優化的專家,可以這樣計算: “我廠大概有 10 萬 Go 實例,每個實例平均佔用 16 個核,通過我 ⌘ Read more~