EPI Consortium members published “A 10-core SoC with 20 Fine-Grain Power Domains for Energy-Proportional Data-Parallel Processing over a Wide Voltage and Temperature Range” in ESSCIRC 2021 – IEEE 47th European Solid State Circuits Conference (ESSCIRC).
Here you can find a link to an open access version of the article: https://ieeexplore.ieee.org/document/9567755.