[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-optimizer":3},{"tag":4,"articles":9},{"id":5,"name":6,"slug":6,"article_count":7,"description_zh":8,"description_en":8},"aef5aed9-d93f-4bf2-a07e-adb6f49185c9","optimizer",0,null,[10],{"id":11,"slug":12,"title":13,"summary":14,"category":15,"image_url":16,"cover_image":16,"language":17,"created_at":18},"b563114c-8592-4aff-88b2-54ef64cc51fc","pion-spectrum-preserving-optimizer-llms-en","Pion keeps LLM weights’ spectrum fixed","Pion is a new LLM optimizer that updates weights with orthogonal transforms, preserving singular values instead of adding gradients directly.","research","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1778653855388-fap3.png","en","2026-05-13T06:30:30.291524+00:00"]