Tuolumne

Tuolumne is an unclassified sibling system of El Capitan, sharing the same architecture. At greater than 288 petaflops, it not only outstrips its unclassified predecessor Lassen, it also exceeds the speed of LLNL's previous flagship petascale machine, Sierra. Tuolumne debuted at #10 on the November 2024 Top500 list of most powerful supercomputers in the world.

NOTE This system is currently has limited availability. 

Zone
CZ
Vendor
HPE Cray
User-Available Nodes
Login Nodes*
8 nodes: tuolumne[1001-1004,2149-2152]
Batch Nodes
1,098
Debug Nodes
46
Total Nodes
1,152
APUs
APU Architecture
AMD MI300A
CPUs
CPU Architecture
4th Generation AMD EPYC
Cores/Node
96
Total Cores
110,592
GPUs
GPU Architecture
CDNA 3
Total GPUs
4,608
GPUs per compute node
4
GPU peak performance (TFLOP/s double precision)
68.00
GPU global memory (GB)
516.00
Memory Total (GB)
589,824
Peak Performance
Peak TFLOPS (CPUs)
5,308.4
Peak TFLOPs (GPUs)
288,921.6
Peak TFLOPS (CPUs+GPUs)
294,230.00
Clock Speed (GHz)
2.0
OS
TOSS 4
Interconnect
HPE Slingshot 11
Parallel job type
multiple nodes per job
Recommended location for parallel file space
Program
ASC, M&IC, Bio
Class
ATS-4/EA, CORAL-2
Password Authentication
OTP, Kerberos, ssh keys
Year Commissioned
2024
Compilers
Documentation