Configuration
Hopper is NERSC's first peta-flop system, a Cray XE6, with a peak performance of 1.28 Petaflops/sec, 153,216 compute cores for running scientific applications, 217 Terabytes of memory, and 2 Petabytes of online disk storage.
Interconnect
A description of the custom Cray-designed network that Hopper uses for inter-node communication. Read More »
File Systems
The Hopper system has five different file systems mounted that provide different levels of disk storage, I/O performance and file permanence. Read More »
Support Nodes
A description of other kinds of nodes included in Hopper for job launch, file systems, networking, and other services. Read More »