TY - RPRT TI - Hierarchical Roofline analysis for GPUs: Accelerating performance optimization for the NERSC‐9 Perlmutter system AU - Yang, Charlene AU - Kurth, Thorsten AU - Williams, Samuel PY - 2019 DO - 10.1002/cpe.5547 UR - https://www.osti.gov/biblio/1574050 ID - 1574050 ER -