SDSC Cosmos - HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, SLES15

Site: UCSD/San Diego Supercomputer Center
System URL: https://www.sdsc.edu/systems/cosmos/index.html
Manufacturer: HPE
Cores: 42,336
Processor: AMD 4th Gen EPYC 24C 1.8GHz
Interconnect: Slingshot-11
Installation Year: 2025
Performance
Linpack Performance (Rmax) 5.18 PFlop/s
Theoretical Peak (Rpeak) 10.41 PFlop/s
Nmax 1,585,152
Power Consumption
Power: 99.00 kW
Power Measurement Level: 2
Software
Operating System: SLES15
Compiler: g++ 7.5.0 and hipcc 6.3.42131
Math Library: AMD rocBLAS 4.3.0
MPI: MVAPICH 4.1
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 274 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, SLES15 HPE 42,336 5.18 10.41 99.00