# 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/glagtva
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Uber 基於 Ray 優化乘車業務實踐**
介紹將解決方案擴展到像 Uber 這樣龐大且複雜的市場時，計算效率是一個重大挑戰。 Uber 乘車業務的運行和調優依賴於大量的機器學習模型和優化算法。幸運的是，系統的許多部分可以並行處理。 Ray\[1\] ® 是 Python® 的通用計算引擎，專爲 ML、AI 和其他算法工作負載而設計。我們描述 Uber 如何採用 Ray 來支持關鍵任務系統。以 Uber 的移動市場分配調整系統爲例，我們發現性能 ⌘ Read more