“If you’re doing any kind of parallel simulation, and you have a bit of imbalance, all the other cores have to wait for the slowest one,” Junghans says, a problem that compounds as the computing system’s size grows. “The bigger you go on scale, the more these tiny imbalances matter.” On a system like LANL’s Trinity supercomputer up to 999,999 cores could idle, waiting on a single one to complete a task.
[SPONSORED GUEST ARTICLE] How exascale systems have been stood up has been recounted in detail, as has the dramatic moment when Frontier achieved exascale status. Now the focus has shifted to the work research organizations are doing with exascale, how it’s actually changing the world ….
Highlighted in this white paper by Intersect360 Research, the fastest growing provider of HPC cloud solutions has been Microsoft Azure. Azure’s momentum is based on completeness of services and solutions for HPC, and this is reflected in the loyalty of Azure users. Microsoft Azure has a greater proportion of its HPC users likely to increase their usage in the future. Meanwhile, in recent years, HPC has seen a new surge in compute from Advanced Micro Devices, Inc. (AMD). As both AMD and Azure have surged in HPC, Microsoft is combining both with its HBv3 instances, featuring AMD EPYC 7003 processors.
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