Submit your IO500 results for the upcoming SC'26 list, which will be presented at our BOF. See the Call for Submissions for details.

Full SC25 List

Subset of the full list of submissions that satisfy the existing IO500 submission guidelines. This list contains entries that do not qualify for any of the production and research lists.
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
301 ISC21 DKRZ Mistral Lustre Seagate/Cray 10 80 5.22 1.16 23.50 -
302 ISC20 Janelia Research Campus, HHMI VastTest Scale-out NAS Vast Data 10 620 4.98 3.56 6.96 -
303 SC19 Janelia Research Campus, HHMI nrs Scale-out NAS Qumulo 10 760 4.19 2.88 6.11 -
304 SC19 Janelia Research Campus, HHMI nearline4 Scale-out NAS Qumulo 10 760 3.67 2.45 5.49 -
305 SC21 IBMDL Sandbox SpectrumScale IBM 10 0 3.17 0.61 16.57 -
306 ISC20 LNCC SDumont Lustre Cay/HPE 10 240 3.06 2.32 4.02 -

Top 6 systems compared

Each axis is scaled to the highest value among these systems — 100% marks the leader on that dimension. Click a system below to toggle it.

Score 100% Bandwidth 100% Metadata 100% Clients 100% Processes 100% #301 — Mistral (DKRZ) #302 — VastTest (Janelia Research Campus, HHMI) #303 — nrs (Janelia Research Campus, HHMI) #304 — nearline4 (Janelia Research Campus, HHMI) #305 — Sandbox (IBMDL) #306 — SDumont (LNCC)
  • #301 Mistral DKRZ
  • #302 VastTest Janelia Research Campus, HHMI
  • #303 nrs Janelia Research Campus, HHMI
  • #304 nearline4 Janelia Research Campus, HHMI
  • #305 Sandbox IBMDL
  • #306 SDumont LNCC