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sanguo
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sanguo_vnpy_v2
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7bbba554f8beeb5b9de540bfecef7aadd1b0bdbd
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claude_dev
7bbba554f8
perf(factor): fast_ops v2 去over化——rolling.over(vt_symbol)在10M行分组滚动分钟级/算子(py-spy实锤ts_mean),改符号内shift展开统一模式(ts_mean/std/min/max/sum/corr/cov),等价性测试对齐原版+1M行速度护栏 [vps]
2026-08-25 22:15:40 +08:00
claude_dev
5fdcd8b5d7
perf(factor): 原生polars快速算子库覆盖vnpy慢rolling_map——ts_corr/ts_rank/ts_decay_linear/ts_quantile/ts_cov/ts_slope族共8算子shift展开或rolling原生,EXPRESSION_FUNCTIONS官方扩展点注册,等价性测试精确对齐原版;ts_argmax/argmin并列场景原生恒等式不成立留原版(25因子另批处理) [vps]
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2026-08-25 06:29:31 +08:00