Comments (3)
nihui
commented on July 17, 2024
TODO
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nihui
commented on July 17, 2024
winograd (4x4,3x3) 方式的滑动窗口就地变换+点乘+变换，neon全寄存器手工优化，新增的加减法指令需要的时间大于 winograd 乘法减少的时间，比ncnn现有的实现慢了大概70%（也可能实力不够
更大的窗口理论上能减少更多的乘法，但是窗口太大了，寄存器不够，放在栈上读写就算了
不想再实验了，如果有好的实现思路可以再讨论下
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nihui
commented on July 17, 2024
winograd 6 4 0385d8e
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