Trends in HPC Processors and Coprocessors

The x86-64 processor base has solidified its overwhelming lead as the processor of choice for the HPC sites surveyed. ▪Within the last two years. the number of RISC processors identified at respondent sites has declined by over 40%, while the reported use of vector processors has essentially disappeared. ▪It is worth noting the appearance of a new albeit small presence of custom processors in the survey, reflecting some of the new custom chips being used in experimental HPCs around the world, such as those in leading-edge Chinese-built systems.