Method Transform

catboost/cuda/cuda_lib/mapping.h:146–149

        template <class TFunc>
        inline TSingleMapping Transform(TFunc&& trans, ui64 objectSize = 1) const {
            ui64 devSize = trans(GetObjectsSlice());
            return TSingleMapping(DeviceId, devSize, objectSize);
        }

        inline TSingleMapping ChangeDevice(ui32 newDeviceId) const {
            return TSingleMapping(newDeviceId, Count, SingleObjectSize());