SkipJack Hardware Summary
The Skipjack cluster is a high-performance computing (HPC) system operated by ARCH at Johns Hopkins University. As of 2026, the Skipjack Cluster consists of:
8,960 CPU cores across 80 CPU nodes
15 8-way nodes with NVIDIA A100 (80GB) GPUs
32 4-way nodes with NVIDIA H100 GPUs
6 4-way nodes with NVIDIA H200 GPUs
8 8-way nodes with NVIDIA L40 GPUs
16 8-way nodes with NVIDIA B200 GPUs
1 8-way nodes with NVIDIA B300 GPU
The following table summarizes the current node types available in the DSAI cluster:
Partition |
# Nodes |
CPU Cores / Node |
Memory Per Core (MB) |
GPUs Per Node |
Time Limit |
Features |
|---|---|---|---|---|---|---|
CPU |
80 |
112 |
4,000 |
N/A |
72:00:00 |
Intel Xeon Platinum 8480+ 56 Core |
l40s |
8 |
128 |
6,000 |
8 |
72:00:00 |
Nvidia L40S 48GB GPUs, AMD EPYC 9534 64 Core |
a100 |
15 |
96 |
10,000 |
8 |
72:00:00 |
Nvidia A100 80GB GPUs, AMD EPYC 7443 24 Core |
h100 |
16 |
128 |
12,000 |
4 |
72:00:00 |
Nvidia H100 85GB GPUs, AMD EPYC 9534 64 Core |
h100-NVL |
16 |
128 |
12,000 |
4 |
72:00:00 |
Nvidia H100-NVL 100GB GPUs, AMD EPYC 9534 64 Core |
h200 |
6 |
128 |
12,000 |
4 |
72:00:00 |
Nvidia H200 150GB GPUs, AMD EPYC 9555 64 Core |
b200 |
16 |
128 |
16,000 |
8 |
72:00:00 |
Nvidia B200 190GB GPUs, INTEL(R) XEON(R) PLATINUM 8592+ |
b300 |
1 |
128 |
24,000 |
8 |
72:00:00 |
Nvidia B300 285GB GPUs, Intel(R) Xeon(R) 6767P |
Total system core count: 18,464 cores across 158 nodes Total system GPU count: 64 L40S, 120 A100, 64 H100, 64 H100-NVL GPUs, 24 H200 GPUs, 128 B200 GPUs, 8 B300 GPUs
Note
Node specifications may change as new hardware is integrated into the cluster.