Computational Systems
NERSC provides large-scale, state-of-the-art computing systems for its users.
Hopper
Hopper, a Cray XE6, with 153,216 compute cores, 217 TB of memory and 2PB of disk is the largest system at NERSC. Read More »
Carver
Carver, an IBM iDataPlex system, provides excellent CPU performance, good energy efficiency per flop, and a familiar environment for mid-range parallel applications. Carver's computational nodes contain 2240 Intel Nehalem quad-core processors, 160 Westmere 6-core processors, and 8 Nehalem-EX 8-core processors, for a total of 9,984 cores. Read More »
Euclid
Euclid, named in honor of the ancient Greek mathematician, is an Sun Microsystems Sunfire x4640 SMP. Its single node contains eight 6 core Opteron 2.6 GHz processors with all 48 cores sharing the same 512 GBytes of memory. The system's theoretical peak performance is 499.2 Gflop/s. Read More »
Dirac GPU Cluster
Dirac is a GPU testbed cluster run in collaboration with Berkeley Lab's Computational Research Division. NERSC users may apply for access to the Dirac system. Read More »
PDSF
PDSF is a networked distributed computing cluster designed primarily to meet the detector simulation and data analysis requirements of physics, astrophysics and nuclear science collaborations. Read More »
Genepool
The Genepool system is a cluster dedicated to the DOE Joint Genome Institue's computing needs. Phoebe is a smaller test system for Genepool. Read More »