TY - RPRT TI - Performance-Aligned LLMs for Generating Fast HPC Code AU - Nichols, Daniel [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000235386164) AU - Polasam, Pranav [University of Maryland, College Park, MD (United States)] AU - Menon, Harshitha [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000347079580) AU - Marathe, Aniruddha [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] AU - Gamblin, Todd [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000278572805) AU - Bhatele, Abhinav [University of Maryland, College Park, MD (United States)] (ORCID:0000000330693701) PY - 2026 DO - 10.1109/tpds.2026.3675550 UR - https://www.osti.gov/biblio/3364516 ID - 3364516 ER -