‘Win for everyone’ as Netflix quits Warner Bros takeover battle, clearing way for Paramount – business live

· · 来源:tutorial资讯

Super 8s: England, 161-6, bt New Zealand, 159-7, by 4 wkts

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Git packfiles use delta compression, storing only the diff when a 10MB file changes by one line, while the objects table stores each version in full. A file modified 100 times takes about 1GB in Postgres versus maybe 50MB in a packfile. Postgres does TOAST and compress large values, but that’s compressing individual objects in isolation, not delta-compressing across versions the way packfiles do, so the storage overhead is real. A delta-compression layer that periodically repacks objects within Postgres, or offloads large blobs to S3 the way LFS does, is a natural next step. For most repositories it still won’t matter since the median repo is small and disk is cheap, and GitHub’s Spokes system made a similar trade-off years ago, storing three full uncompressed copies of every repository across data centres because redundancy and operational simplicity beat storage efficiency even at hundreds of exabytes.

輿論漩渦中的「冰雪公主」

而拿下 Meta 这个全球最贪婪的算力吞噬兽,无疑是谷歌向英伟达下达的最强战书。同时,谷歌在底层软件生态上的妥协也立了大功——TPU 近期大幅优化了对 PyTorch(Meta 主导的 AI 框架)的原生支持,这让 Meta 的研发团队终于可以顺滑地将模型迁移到谷歌的硬件上。