Comparing Tahoma and Cascade

	Cascade	Tahoma
Overall Size	960 Intel Sandy-Bridge nodes, clock speed 2.6GHz Theoretical peak performance: 465 TFlops	184 Intel Cascade Lake(tm) nodes, clock speed 3.1 GHz Theoretical peak performance: 1015 TFlops
CPU/cores per node	2 eight-core sockets = 16 Intel (c) Xeon(tm) E5-2670 cores	2 x 18-core sockets = 36 Intel(c) Xeon(tm) Gold 6254 cores
Memory per node	128GB total = 8 GB/core	384 GB total = 10 2/3 GB/core on t[1-160] 1536 GB total = 42 2/3 GB/core on ta[1-24]
Disk	2.8 PB global storage in Lustre file system Aggregate of 702 TB of local disk	10 PB global storage in BeeGFS file system Aggregate of 536 TB local disk
Accelerators	56 nodes have 2X NVIDIA Tesla V100 16GB GPUs attached by PCI-express (PCIe x16)	24 nodes (ta[1-24]) have 2X NVIDIA Tesla V100 32GB GPUs attached by PCI-express (PCIe x16)
Network	FDR Infiniband fabric (ConnectX-3) connected through two 648-port XS6536 Mellanox switches	HDR-100 Infiniband fabric (ConnectX-6) connected through seven 40-port Mellanox MQM8790 switches.
Current status *	https://grafana.emsl.pnl.gov/dashboard/db/cascade-queue	https://grafana.emsl.pnl.gov/dashboard/db/tahoma-queue

Note

The website showing the current status is only available for users onsite or within PNNL’s firewall.