hotspot https://sites.tufts.edu/tcal/files/2021/11/HotGauge_IISWC_2021.pdf… https://sites.tufts.edu/tcal/files/2022/06/ISCA22_HSSB_paper_5.pdf… computation intensive MAC area 40 X 40 um ... Opportunity "Hotspot"point of failure.