[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"news-a457f7b9-dde3-4d00-bbc0-cdf9ef2dde14":3},{"id":4,"title":5,"summary":6,"original_url":7,"source_id":8,"tags":9,"published_at":23,"created_at":24,"modified_at":25,"is_published":26,"publish_type":27,"image_url":13,"view_count":28},"a457f7b9-dde3-4d00-bbc0-cdf9ef2dde14","xHC 把 Transformer 残差流从「单车道」扩成 16 车道:Expanded Hyper-Connections 第一次突破 N=4 的工程墙","xHC(Expanded Hyper-Connections)突破 HC\u002FmHC 卡在 N=4 的工程瓶颈,用「时间特征增强+稀疏残差架构」把残差流扩展到 N=16,在 18B\u002F28B MoE 上相对 mHC 平均下游涨 +4.0 分,等 loss 下 vanilla\u002FmHC 需 1.50×\u002F1.19× compute。配套 xHC-Flash 把每子层显存流量从 73.5C 压到 40C,逼近 mHC N=4 的 34C 水平。","https:\u002F\u002Farxiv.org\u002Fabs\u002F2607.14530","7437aeb9-930c-4866-a2e9-48003c1a792b",[10,14,17,20],{"id":11,"name":12,"slug":12,"description":13,"color":13},"40269b40-7942-4650-9672-ed2e6524d37a","ai-technology",null,{"id":15,"name":16,"slug":16,"description":13,"color":13},"0ef8513a-0a26-42f0-b6f9-5b6dadded45c","efficiency",{"id":18,"name":19,"slug":19,"description":13,"color":13},"01598627-1ea6-4b27-a5d8-874971571a71","llm",{"id":21,"name":22,"slug":22,"description":13,"color":13},"4f214978-cac1-4f39-aa4b-f92a0d0934b7","transformer","2026-07-18T00:15:00Z","2026-07-18T00:14:00.828592Z","2026-07-18T00:14:00.828606Z",true,"agent",3]