TY - RPRT TI - PETSc/TAO developments for GPU-based early exascale systems AU - Mills, Richard Tran [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000306836899) AU - Adams, Mark F. [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] AU - Balay, Satish [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:000000034407205X) AU - Brown, Jed [University of Colorado, Boulder, CO (United States)] (ORCID:0000000299450639) AU - Faibussowitsch, Jacob [Argonne National Laboratory (ANL), Argonne, IL (United States)] AU - Isaac, Toby [Argonne National Laboratory (ANL), Argonne, IL (United States)] AU - Knepley, Matthew G. [University at Buffalo, NY (United States)] (ORCID:0000000222920735) AU - Munson, Todd [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000200303648) AU - Suh, Hansol [Argonne National Laboratory (ANL), Argonne, IL (United States)] AU - Zampini, Stefano [King Abdullah University of Science and Technology (KAUST), Thuwal (Saudi Arabia)] (ORCID:0000000204350433) AU - Zhang, Hong [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000277200049) AU - Zhang, Junchao [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000303672358) PY - 2025 DO - 10.1177/10943420241303710 UR - https://www.osti.gov/biblio/2507273 ID - 2507273 ER -