Support MaskedSelectGrad op with Kernel Primitive API #40617
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AnnaTrainingG force-pushed the Select_Grad branch from 71a52f0 to c8967e6 Compare 
xingfeng01 approved these changes Mar 21, 2022
zkh2016 approved these changes Mar 21, 2022
xingfeng01 approved these changes Mar 21, 2022
| int VecSize, | ||
| int IsBoundary, | ||
| int IsMaskData> | ||
| int MaskData> |
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建议在下个PR注释里说明下 maskdata =0,1,2 对应的情况
| } | ||
| } | ||
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| template <typename T> |
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这个和之前的 readdata 可以复用吗 ？
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不可以 这个是线程级别的API
YuanRisheng reviewed Mar 21, 2022
| #include "paddle/phi/kernels/funcs/select_impl.cu.h" | ||
| #include "paddle/phi/kernels/masked_select_grad_kernel.h" | ||
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| #include "paddle/phi/backends/cpu/cpu_context.h" |
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| SelectGradWithPrefixMask<T><<<grid, threads, 0, stream>>>( | ||
| mask_prefix_sum_data, mask_data, input_data, out_data, mask_size); | ||
| auto* out_data = x_grad->mutable_data<T>(dev_ctx.GetPlace()); |
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kernel里分配内存调用新接口：dev_ctx.template Alloc(x_grad)
YuanRisheng approved these changes Mar 21, 2022
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Support MaskedSelectGrad op with Kernel Primitive API