EPI Consortium members published “PIugSMART: a pluggable open-source module to implement multihop bypass in networks-on-chip” in NOCS ’21: Proceedings of the 15th IEEE/ACM International Symposium on Networks-on-Chip.
Here you can find a link to an open access version of the article: https://dl.acm.org/doi/10.1145/3479876.3481601.