Rayan

> Hi [@westfly](https://github.com/westfly) ,thanks for you question. > > * UniqueOp is hash-based which performance is better. > * And for multi-table case, table's bias is needed to generate inverse...

> I am also having this issue. Specifically with a numeric column that is constant the kurtosis and skewness is null and raises the error. [@minseokim12](https://github.com/minseokim12) proposed solution works. I...

I find somebody port [nvidia-nvbench](https://github.com/luncliff/vcpkg-registry/tree/main/ports/nvidia-nvbench), but I build failed, so I use `rapids_cpm_nvbench` ```cmake cmake_minimum_required(VERSION 3.14 FATAL_ERROR) project(rapids LANGUAGES "CUDA" "CXX") set(rapids-cmake-version v25.10.00) if(NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}_RAPIDS.cmake) file(DOWNLOAD https://raw.githubusercontent.com/rapidsai/rapids-cmake/main/RAPIDS.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}_RAPIDS.cmake) endif()...

thx for you reply, I use cuda 12.6 on ubuntu ```shell cat /etc/os-release NAME="Ubuntu" VERSION="20.04.6 LTS (Focal Fossa)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.6 LTS" VERSION_ID="20.04" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal UBUNTU_CODENAME=focal...