Method DeviceMemoryOffset

catboost/cuda/cuda_lib/mapping.h:53–61

        }

        ui64 DeviceMemoryOffset(ui64 dev, const TSlice& slice) const {
            const TSlice deviceSlice = static_cast<const TImpl*>(this)->DeviceSlice(dev);
            CB_ENSURE(TSlice::Intersection(slice, deviceSlice) == slice);
            const ui64 devSize = slice.Size() != 0u ? (slice.Left - deviceSlice.Left) : 0;
            if (devSize != 0u) {
                CB_ENSURE(slice.Left >= deviceSlice.Left, slice << " " << deviceSlice);
            }
            return devSize * SingleObjectSize();
        }

        TDevicesList NonEmptyDevices() const {
            TDevicesListBuilder builder;