Theta/ThetaGPU

Our Theta/ThetaGPU supercomputer supports complex and diverse workloads, integrating data analytics with AI training and learning into a single platform.

Theta supercomputer

ALCF computing resources support large-scale, computationally intensive projects aimed at solving some of the world's most complex and challenging scientific problems.

Theta KNL Nodes

Theta is an 11.7-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.

Theta GPU Nodes

ThetaGPU is an NVIDIA DGX A100-based system. The DGX A100 comprises eight NVIDIA A100 GPUs that provide a total of 320 gigabytes of memory for training AI datasets, as well as high-speed NVIDIA Mellanox ConnectX-6 network interfaces.

Theta KNL Machine Specs

Architecture
Intel-Cray XC40
Speed
11.7 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

ThetaGPU Machine Specs

Architecture
NVIDIA DGX A100
Speed
3.9 petaflops
Processors
AMD EPYC 7742
Nodes
24
DDR4 Memory
24 TB
GPU Memory
7,680 GB
Racks
7