def runtime(self, _from='0'):
        """Generate the set of instructions to install the runtime specific
        components from a build in a previous stage.

        # Examples

        ```python
        k = knem(...)
        Stage0 += k
        Stage1 += k.runtime()
        ```
        """
        self.rt += comment('KNEM')
        self.rt += self.__bb.runtime(_from=_from)
        return str(self.rt)
Generate the set of instructions to install the runtime specific
        components from a build in a previous stage.

        # Examples

        ```python
        k = knem(...)
        Stage0 += k
        Stage1 += k.runtime()
        ```
        
hpccm/building_blocks/knem.py