[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-spectrum-preserving":3},{"tag":4,"articles":9},{"id":5,"name":6,"slug":6,"article_count":7,"description_zh":8,"description_en":8},"d922a154-b2e9-4186-bd12-218a5177c42a","spectrum-preserving",0,null,[10],{"id":11,"slug":12,"title":13,"summary":14,"category":15,"image_url":16,"cover_image":16,"language":17,"created_at":18},"7a3313f6-54dd-4313-bff3-ea9ba4eb31d4","pion-spectrum-preserving-optimizer-llms-zh","Pion 用正交變換鎖住權重譜","Pion 是一種新的 LLM 優化器，改用左右正交變換更新權重，盡量保留奇異值不變。這篇論文主打的是訓練時維持矩陣譜結構，而不是只追求一般的加法式梯度更新。","research","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1778653862621-6bth.png","zh","2026-05-13T06:30:29.035095+00:00"]