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Hpl ai benchmark1/19/2024 ![]() ![]() Its performance was rated at 445 petaflops - nearly half an exaflops, and triple Summit’s 148 petaflops performance on HPL. The behemoth supercomputer - built by IBM, Mellanox and Nvidia and equipped with 9,216 IBM Power9 CPUs and 27,648 Nvidia Volta V100 GPUs - blazed through the computations, completing the test in half an hour (compared to its 90-minute HPL run). Nvidia and ORNL tested the HPL-AI benchmark on Summit. Reaching new peaks of performance Jack Dongarra presenting on the results at ISC 2019 (June 19, 2019) “Just as HPL allows benchmarking of double-precision capabilities, this new approach based on HPL allows benchmarking of mixed-precision capabilities of supercomputers at scale.” “Mixed-precision techniques have become increasingly important to improve the computing efficiency of supercomputers, both for traditional simulations with iterative refinement techniques as well as for AI applications,” said Jack Dongarra, who introduced Linpack in the late 1970s. Based on the HPL standard, HPL-AI adds mixed-precision calculations to evaluate AI model performance. ![]() The HPL-AI benchmark is specifically designed to bridge this gap in evaluation, complementing - rather than supplanting - the traditional HPL approach. While the HPL benchmark tests supercomputers’ performance in double-precision math, AI is a rapidly growing use case for supercomputers - and most AI models use mixed-precision math. Using that same machine configuration, Oak Ridge National Laboratory (ORNL) and Nvidia have tested Summit on HPL-AI and gotten a result of 445 petaflops.Ī different kind of benchmark The Summit supercomputer at Oak Ridge National Laboratory (Credit: ORNL) On June’s Top500 list, announced Monday, Summit’s 148 Linpack petaflops land it first place by a comfortable margin. The Linpack benchmark tests a supercomputer’s ability to conduct high-performance tasks (like simulations) that use double-precision math. Traditionally, supercomputer performance is measured using the High-Performance Linpack (HPL) benchmark, which is the basis for the Top500 list that biannually ranks world’s fastest supercomputers. Summit - the world’s top-ranking supercomputer - has been used to test-drive a new mixed-precision Linpack benchmark, which for now is being called HPL-AI. Since 1987 - Covering the Fastest Computers in the World and the People Who Run Them ![]()
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