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                                            yonger001

CMake Error at ATen_generated_THCTensorMode.cu.o.Release.cmake:279 (message): Error generating file

Hi, I met the a error as following: [ 18%] Building NVCC (Device) object src/ATen/CMakeFiles/ATen.dir/__/THC/ATen_generated_THCTensorScatterGather.cu.o [ 18%] Building NVCC (Device) object src/ATen/CMakeFiles/ATen.dir/__/THC/ATen_generated_THCTensorTopK.cu.o [ 18%] Building NVCC (Device) object src/ATen/CMakeFiles/ATen.dir/__/THC/ATen_generated_THCTensorSort.cu.o [...

torcharrow.dataframe.where实测速度慢于pandas.DataFrame.where

问题一：同张表同约束下，ta.where速度较pd.where慢很多；问题二：调用ta.dataframe相关操作（如：where、sort等）会出现Userwarning，例如：append for type StringColumnCpu is supported only with prototype implementation, which may result in degenerated performance. 上面中的prototye implementation具体指？ thank you！