https://blog.youkuaiyun.com/Tbisniczh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Tbisnic/article/details/164225229https://blog.youkuaiyun.com/Tbisnic/article/details/164225229TbisnicMon, 31 Aug 2026 17:39:02 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/163781612https://blog.youkuaiyun.com/Tbisnic/article/details/163781612TbisnicTue, 18 Aug 2026 10:03:51 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/163762501https://blog.youkuaiyun.com/Tbisnic/article/details/163762501TbisnicFri, 14 Aug 2026 21:16:47 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/163732906https://blog.youkuaiyun.com/Tbisnic/article/details/163732906TbisnicThu, 13 Aug 2026 20:36:33 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/163571607https://blog.youkuaiyun.com/Tbisnic/article/details/163571607TbisnicFri, 07 Aug 2026 20:04:25 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/163053917https://blog.youkuaiyun.com/Tbisnic/article/details/163053917TbisnicMon, 20 Jul 2026 21:13:36 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162977219https://blog.youkuaiyun.com/Tbisnic/article/details/162977219TbisnicFri, 17 Jul 2026 21:14:24 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162945351https://blog.youkuaiyun.com/Tbisnic/article/details/162945351TbisnicThu, 16 Jul 2026 21:16:42 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162909972https://blog.youkuaiyun.com/Tbisnic/article/details/162909972TbisnicWed, 15 Jul 2026 17:15:16 +0800 50,000？否→选 OVA。理由：GPU算力足够覆盖，且准确率最高，无需承担NS的近似误差风险。是→进入第2步。问：业务是否允许 1%~3% 的近似误差？（比如推荐系统、搜索引擎排序）是→选 NS。理由：效率提升几十倍，AUC损失微乎其微，工程性价比最高。否（比如银行风控，错标罚款）→进入第3步。问：能否提前筛选候选集？（如基于规则或向量召回粗筛）能→使用“两阶段法”]]>https://blog.youkuaiyun.com/Tbisnic/article/details/162907707https://blog.youkuaiyun.com/Tbisnic/article/details/162907707TbisnicWed, 15 Jul 2026 16:21:45 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162906284https://blog.youkuaiyun.com/Tbisnic/article/details/162906284TbisnicWed, 15 Jul 2026 15:09:43 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162849664https://blog.youkuaiyun.com/Tbisnic/article/details/162849664TbisnicMon, 13 Jul 2026 21:10:39 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162795011https://blog.youkuaiyun.com/Tbisnic/article/details/162795011TbisnicSat, 11 Jul 2026 20:52:35 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162702552https://blog.youkuaiyun.com/Tbisnic/article/details/162702552TbisnicWed, 08 Jul 2026 17:30:20 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162701770https://blog.youkuaiyun.com/Tbisnic/article/details/162701770TbisnicWed, 08 Jul 2026 17:16:11 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162641509https://blog.youkuaiyun.com/Tbisnic/article/details/162641509TbisnicMon, 06 Jul 2026 21:10:59 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162641365https://blog.youkuaiyun.com/Tbisnic/article/details/162641365TbisnicMon, 06 Jul 2026 19:59:54 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162586441https://blog.youkuaiyun.com/Tbisnic/article/details/162586441TbisnicSat, 04 Jul 2026 20:51:28 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162559975https://blog.youkuaiyun.com/Tbisnic/article/details/162559975TbisnicFri, 03 Jul 2026 20:24:31 +0800https://blog.youkuaiyun.com/Tbisnic/article/details/162528035https://blog.youkuaiyun.com/Tbisnic/article/details/162528035TbisnicThu, 02 Jul 2026 21:07:10 +0800