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

Research ISC26 List

Ranking of the research system submissions. This is a subset of the Full List of submissions, showing only one highest-scoring result per storage system. This list also contains all valid IO500 submissions prior to the creation of the Research List.
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
101 ISC24 Poznan Supercomputing and Networking Center Altair Lustre xFiusion 15 240 73.50 15.24 354.60
102 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Spectrum Scale Oracle Cloud Infrastructure 48 768 70.91 34.91 144.06 -
103 SC21 CQ Narval Lustre Dell 640 640 68.31 32.74 142.53 -
104 SC19 Google Cloud EXA5-GCP-PD-SSD Lustre Google Cloud 200 1,600 67.78 26.93 170.61 -
105 ISC20 SPbPU Polytechnic RSC Tornado Lustre RSC Group 59 944 64.29 21.56 191.73 -
106 SC19 DDN AI400 Lustre DDN 10 240 63.88 19.65 207.63 -
107 ISC25 Hammerspace Hammerspace Performance Lab pNFS v4.2 via Hammerspace Anvil Metadata Service Hammerspace 10 640 63.77 37.25 109.16
108 ISC21 Howard Hughes Medical Institute Janelia Research Campus Janelia Weka.io Weka.io 10 300 62.68 18.17 216.22 -
109 SC22 Mohamed bin Zayed University CIAI Lustre Q-Leap Networks GmbH / HPCME 16 256 62.40 22.22 175.23 -
110 SC23 Center for Research Informatics at University of Chicago Randi Spectrum Scale IBM 10 160 60.88 31.05 119.36
111 ISC20 Red Hat EC2-10xi3en.metal CephFS Red Hat 10 320 57.17 26.29 124.30 -
112 ISC24 Saudi ARAMCO CSSP EXAScaler DDN 93 744 55.11 38.14 79.63
113 SC19 Google Cloud EXA5-GCP-PD-STD Lustre Google Cloud 200 1,600 52.96 17.31 162.06 -
114 SC20 Raytheon WekaIO wekafs Penguin Computing 42 1,596 50.58 16.39 156.10 -
115 SC19 Oracle Cloud Infrastructure Oracle Cloud Infrastructure with Block Volume Service running Spectrum Scale Spectrum Scale Oracle Cloud Infrastructure Block Volumes Service 30 480 47.55 20.38 110.93 -
116 ISC25 Universidad Carlos III de Madrid C3-UC3M Expand ARCOS-UC3M 10 640 47.50 18.87 119.55
117 SC23 Telecommunications Technology Association KR580S1 Lustre Gluesys 10 320 44.82 23.29 86.26
118 SC19 Penguin Computing Benchmarking and Innovation Lab Penguin-ASG-NVBeeOne BeeGFS Penguin Computing/Excelero 10 320 39.65 17.71 88.76 -
119 SC19 CNES HAL Spectrum Scale DDN 96 96 37.16 9.71 142.20 -
120 SC24 Gesellschaft fur wissenschaftliche Datenverarbeitung Emmy CephFS Clyso 18 270 32.17 11.92 86.81
121 ISC26 Gluesys Gluesys-TTA IO500 Testbed Lustre Gluesys 10 240 31.68 7.64 131.39
122 SC23 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute Cluster Vast Vast Data 32 2,048 26.83 11.45 62.84
123 SC23 Universidad Carlos III de Madrid MareNostrum 4 Expand ARCOS-UC3M 10 320 22.77 23.88 21.71
124 ISC25 GWDG Future Technology Platform Lustre Intel 21 420 22.08 6.49 75.14
125 SC19 Clemson University Palmetto Burstbuffer BeeGFS AdvancedHPC 10 120 21.55 12.97 35.80 -
126 SC23 Mississippi State University High Performance Computing Collaboratory Orion Lustre DDN 10 400 20.83 5.01 86.67
127 ISC20 Simon Fraser University Cedar Lustre Dell/Seagate 288 288 18.72 7.66 45.75 -
128 SC23 Mississippi State University High Performance Computing Collaboratory Orion Lustre DDN 10 400 17.57 6.43 48.03
129 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Quobyte Inc. 48 336 17.55 19.76 15.60 -
130 ISC21 Georgia Institute of Technology PACE-Phoenix Lustre DDN 10 240 17.07 4.52 64.48 -
131 ISC23 Arizona State University Sol BeeGFS Dell 10 160 16.48 4.40 61.76
132 SC20 University of Tsukuba Cygnus Gfarm OSS 10 20 16.12 8.10 32.09 -
133 ISC21 Howard Hughes Medical Institute Janelia Research Campus nrsv Vast 10 300 15.50 7.54 31.84 -
134 SC19 SUSE TigerShark SUSE Enterprise Storage - CephFS SUSE, Intel, Lenovo 15 120 14.91 5.74 38.72 -
135 SC21 GWDG SCC BeeGFS 10 80 12.55 2.63 59.85 -
136 SC19 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 88 2,816 12.50 8.31 18.79 -
137 SC21 ULHPC Aion SpectrumScale DDN 128 256 11.35 1.80 71.57 -
138 ISC20 National Center for Supercomputing Applications HAL Spectrum Scale DDN 10 100 11.31 3.62 35.37 -
139 SC20 EPCC Archer 2 (test system) Lustre Cray 10 80 10.68 2.63 43.43 -
140 ISC23 Panasas PanEast ActiveStor Flash Panfs Panasas 10 80 10.57 4.49 24.90
141 SC22 Omnibond OrangeFS-Google OrangeFS Omnibond-Google 10 150 9.92 4.27 23.08 -
142 SC23 Eikon Therapeutics spt-compute1 Qumulo Core Qumulo 20 40 7.58 2.82 20.38 -
143 SC19 Stanford Sherlock/Regal Lustre Dell 10 160 7.05 1.64 30.28 -
144 SC23 LCPQ Ampere BeeGFS Home made 10 30 6.65 1.22 36.16
145 SC19 Janelia Research Campus, HHMI dm11 Scale-out NAS #N/A 10 760 6.42 2.61 15.82 -
146 ISC23 Panasas PanEast ActiveStor UltraXL Panfs Panasas 10 80 6.25 1.86 21.01
147 ISC21 DKRZ Mistral Lustre Seagate/Cray 10 80 5.22 1.16 23.50 -
148 SC19 Janelia Research Campus, HHMI nrs Scale-out NAS Qumulo 10 760 4.19 2.88 6.11 -
149 SC21 IBMDL Sandbox SpectrumScale IBM 10 0 3.17 0.61 16.57 -

Top 10 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% #101 — Altair (Poznan Supercomputing and Networking Center) #102 — SpectrumScale on Oracle Cloud (Oracle Cloud Infrastructure) #103 — Narval (CQ) #104 — EXA5-GCP-PD-SSD (Google Cloud) #105 — Polytechnic RSC Tornado (SPbPU) #106 — AI400 (DDN) #107 — Hammerspace Performance Lab (Hammerspace ) #108 — Janelia (Howard Hughes Medical Institute Janelia Research Campus) #109 — CIAI (Mohamed bin Zayed University) #110 — Randi (Center for Research Informatics at University of Chicago)
  • #101 Altair Poznan Supercomputing and Networking Center
  • #102 SpectrumScale on Oracle Cloud Oracle Cloud Infrastructure
  • #103 Narval CQ
  • #104 EXA5-GCP-PD-SSD Google Cloud
  • #105 Polytechnic RSC Tornado SPbPU
  • #106 AI400 DDN
  • #107 Hammerspace Performance Lab Hammerspace
  • #108 Janelia Howard Hughes Medical Institute Janelia Research Campus
  • #109 CIAI Mohamed bin Zayed University
  • #110 Randi Center for Research Informatics at University of Chicago