Theta

Theta supercomputer

More than 5 billion computing hours are allocated on ALCF systems each year.

Theta is an 11.69-petaflops supercomputer based on Intel processors and interconnect technology, an advanced memory architecture, and a Lustre-based parallel file system, all integrated by Cray’s HPC software stack.

Machine Specs

Architecture
Intel-Cray XC40
Speed
11.69 petaflops
Processor per node
64-core, 1.3-GHz Intel Xeon Phi 7230
Nodes
4,392
Cores
281,088
Memory
843 TB
High-bandwidth memory
70 TB
Interconnect
Aries network with Dragonfly topology
Racks
24