[lemma=it] [tag=VBD] [tag=NNS] [lemma=to] □
[lemma=it] [tag=VBD] [tag=NNS] [lemma=to] [□]
[lemma=it] [tag=VBD] [tag=NNS] [lemma=to] □+
It involved changes to both the hardware and software layers using techniques developed for supercomputers .