LC Hotline: 2-4531

From offsite: (925) 422-4531

 

Hours

Monday–Friday
8am–12pm, 1–4:45pm
B453 R1103 | Q-clearance area

 

Ray

Zone
CZ
Vendor
IBM
CPU Clock Speed (Ghz)
4.0
User-Available Nodes
Login Nodes*
Batch Nodes
54
GPU nodes
54
Total Nodes
62
CPUs
CPU Architecture
IBM Power8
Cores/Node
20
Total Cores
1,240
Memory Total (GB)
17,280
CPU Memory/Node (GB)
256
Peak Performance
Peak TFLOPS (CPUs)
25.2
Peak TFLOPs (GPUs)
1 015.2
Peak single CPU memory bandwidth (GB/s)
115
OS
RHEL
Interconnect
IB EDR
Parallel job type
multiple nodes per job
Program
ASC, M&IC
Year Commissioned
2017
Compilers
Documentation
Availability
Limited

Clock speed varies from 2.0 to 4.0 GHz/sec.

*2 login nodes: ray[23,24]