Colossus is a supercomputer with 100,000 NVIDIA H100 GPUs, upgradable to a million GPUs.El Capitan at Lawrence Livermore National Lab is currently the fastest supercomputer in the world on the TOP500 list.HPL benchmark is commonly used to measure top system performance, taking into account factors like network latency and system stability.Colossus is primarily built for AI model training, while El Capitan is a general-purpose supercomputer serving various scientific applications.