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Sherlock facts#

as of June 2026

Users#

  • 8,909 user accounts

  • 1,299 PI groups

    from all Stanford's seven Schools, SLAC, Stanford Institutes, etc.

  • 223 owner groups

Interfaces#

  • 20 login nodes

  • 7 data transfer nodes (DTNs)

Computing#

  • 17.76 PFLOPs (FP64)

    56.11 (FP32) PFLOPs

  • 76,196 CPU cores

    7 CPU generations (18 CPU models)

  • 1,240 GPUs

    5 GPU generations (14 GPU models)

Hardware#

  • 2,073 compute nodes

    25 server models (from 3 different manufacturers)

  • 57 racks

    1,676 rack units

Energy#

  • 963.67 kW

    total power usage

  • 97 PDUs

Storage#

  • 14.6 PB $SCRATCH

    parallel, distributed filesystem, delivering over 600 GB/s of I/O bandwidth

  • 93.9 PB $OAK

    long term research data storage

Networking#

  • 139 Infiniband switches

    across 3 Infiniband fabrics (EDR, HDR, NDR)

  • 6,792 Infiniband cables

    spanning about 32.00 km

  • 75 Ethernet switches

Scheduler#

  • 203 Slurm partitions

  • 65,945 CPU.hours/day

    over 7 years of computing in a single day

  • $4,406,197 /month

    to run the same workload on t2.large on-demand cloud instances