Method ConstDeviceView

catboost/cuda/cuda_lib/cuda_buffer.h:237–247

        }

        TCudaBuffer<const T, TSingleMapping, Type> ConstDeviceView(ui32 devId) const {
            TCudaBuffer<const T, TSingleMapping, Type> buffer;
            const auto devSlice = Mapping.DeviceSlice(devId);
            buffer.Mapping = TSingleMapping(devId, devSlice.Size(), Mapping.SingleObjectSize());
            if (Buffers.at(devId).NotEmpty()) {
                buffer.Buffers.at(devId) = Buffers.at(devId).ShiftedConstBuffer(Mapping.DeviceMemoryOffset(devId, devSlice));
            }
            buffer.IsSliceView = true;
            buffer.ColumnCount = ColumnCount;
            return buffer;
        }

        TCudaBuffer<const T, TMapping, Type> AsConstBuf() const {
            TCudaBuffer<const T, TMapping, Type> buffer;