{"ok":true,"trend":{"id":463282,"platform":"mastodon","region":"global","key":"peking university, tsinghua and alibaba have open-sourced sparkdiffusion, an ai video generation accelerator. the framew","title":"Peking University, Tsinghua and Alibaba have open-sourced SparkDiffusion, an AI video generation accelerator. The framew","url":"https://universeodon.com/@china/117359070324849101","first_seen":"2026-09-30T08:45:47.766453Z","last_seen":"2026-09-30T08:45:47.766453Z","last_rank":7,"peak_rank":7,"last_volume":1,"peak_volume":1,"seen_count":1,"score":59.75,"category_hint":"technology","section":"technology","category":"technology","summary":"Peking University, Tsinghua University and Alibaba have released SparkDiffusion as an open-source framework that dramatically speeds up AI video generation. The tool cuts Wan 2.1 video generation time by a factor of 265, reducing it from 4,769 seconds to 18 seconds on an Nvidia RTX 5090 GPU. Code and model weights are freely available on GitHub and Hugging Face, letting developers adopt the accelerator immediately.","why":"The dramatic 265x speedup and full open-source release make high-speed AI video generation accessible to anyone, drawing wide attention in the AI community.","tone":"positive","entities":["Peking University","Tsinghua University","Alibaba","SparkDiffusion","Wan 2.1"],"summarized_at":"2026-09-30T08:47:22.750038Z","meta":{"tag":"tech","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":1043},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Peking University, Tsinghua and Alibaba open-source SparkDiffusion video AI accelerator","section_name":"Technology","category_name":"Technology","timeline":[{"captured_at":"2026-09-30T08:45:47.766453Z","rank":7,"volume":1}],"posts":[{"platform":"mastodon","url":"https://universeodon.com/@china/117359070324849101","author":"china@universeodon.com","title":null,"snippet":"Peking University, Tsinghua and Alibaba have open-sourced SparkDiffusion, an AI video generation accelerator. The framework cuts Wan 2.1 video generation time by 265x, from 4,769 seconds to 18 seconds on an RTX 5090. Code and weights are available on GitHub and Hugging Face.…","posted_at":"2026-09-30T08:34:58Z","likes":1}],"elsewhere":[],"window":"7d"}}