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Xiaomi releases a hands-on video of the Xiaomi 18 Pro, showcasing newly added AI-powered 3D avatar and group photo features on its secondary display.

Xiaomi 18 Fold was unveiled in early Sept., and Xiaomi Group President Lu Weibing recently posted a hands-on video of the Xiaomi 18 Pro series, revealing details about the new phones’ design. Three changes can be identified in the video: the two cameras now feature a flat design flush with the secondary display, the Leica logo has been moved to the right side of the body, and a physical button has been added to the left side. In terms of AI features, official teaser materials revealed that the D
QCOM+5.43%
Bisc·09-20 03:22
小米釋出Xiaomi 18 Pro實機影片

Two Perplexity engineers built CobbleDB themselves, cutting latency fivefold and replacing Amazon’s system

The Perplexity engineering team published a technical article on Sept. 14 explaining how it replaced Amazon DynamoDB with CobbleDB, an in-house key-value Storage system comprising approximately 40k lines of Rust code. After the migration, median batch-read latency dropped from 31.4 milliseconds to 5.60 milliseconds, while p99 latency fell from 123 milliseconds to 24.2 milliseconds. CobbleDB Performance Data: Measurement Conditions for Five- to Sixfold Latency Reduction and 20% Cost Savings Accor
AMZN-0.44%
Bisc·09-20 01:52
Perplexity兩名工程師自建CobbleDB延遲降五倍