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

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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.
# Information IO500
BoF Institution System Storage Vendor File System Type Client Nodes Total Client Proc. Score BW MD Repro.
(GiB/s) (kIOP/s)
101 ISC25 DDN AI400X2-I-k8s DDN EXAScaler 10 1,280 115.51 39.26 339.89
102 ISC22 IBM Tuscon Arches IBM Spectrum Scale 10 200 110.07 62.59 193.59 -
103 SC20 TACC Frontera DDN IME 10 280 109.91 176.23 68.55 -
104 ISC24 DDN AI400X2T DDN EXAScaler 10 640 109.84 34.24 352.35
105 ISC22 DDN AI400X2-I DDN EXAScaler 10 320 107.04 31.10 368.48 -
106 ISC24 University of Virginia Afton Dell WEKA 10 850 105.94 33.28 337.29
107 SC23 Japan Agency for Marine-Earth Science and Technology Earth Simulator 4 DDN EXAScaler 10 320 101.88 48.19 215.38
108 ISC21 Japan Agency for Marine-Earth Science and Technology Earth Simulator DDN Lustre 10 320 101.88 48.19 215.38 -
109 ISC20 CSIRO bracewell Dell/DDN Lustre 10 400 99.64 39.90 248.81 -
110 ISC20 CSIRO bracewell Dell/DDN Lustre 10 400 97.67 39.87 239.26 -
111 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 96.46 11.61 801.60 -
112 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 92.91 10.96 787.71 -
113 SC25 Samsung Electronics Samsung AE-25 Cluster Hammerspace pNFS v5.2.3-90 via Hammerspace Anvil Metadata Service 10 480 85.23 74.66 97.29
114 SC19 State Key Laboratory of High-end Server & Storage Technology (HSS) TStor3000 INSPUR BeeGFS 10 300 82.57 41.14 165.71 -
115 SC19 iFLYTEK iFLYTEK Yanrong YRCloudFile 10 200 78.54 13.55 455.18 -
116 SC24 Poznan Supercomputing and Networking Center Proxima xFiusion Lustre 10 300 77.76 17.94 337.05
117 SC25 Purdue University Gautschi DDN EXAScaler 10 1,920 70.18 19.59 251.47
118 ISC20 DDN AI400X DDN Lustre 10 160 69.92 21.01 232.70 -
119 SC21 IBM Tucson Arches 2021B IBM SpectrumScale 10 200 68.83 33.02 143.46 -
120 SC19 CSIRO bracewell Dell/ThinkParQ beegfs 10 160 66.80 33.77 132.15 -
121 SC19 iFLYTEK iFLYTEK Yanrong YRCloudFile 10 200 63.98 11.41 358.87 -
122 SC19 DDN AI400 DDN Lustre 10 240 63.88 19.65 207.63 -
123 ISC20 DDN AI400X DDN Lustre 10 160 63.83 17.79 229.01 -
124 ISC25 Hammerspace Hammerspace Performance Lab Hammerspace pNFS v4.2 via Hammerspace Anvil Metadata Service 10 640 63.77 37.25 109.16
125 ISC21 Howard Hughes Medical Institute Janelia Research Campus Janelia Weka.io Weka.io 10 300 62.68 18.17 216.22 -
126 SC21 Raytheon MCK-HPC Penguin Computing WekaFS 10 360 62.55 25.96 150.70 -
127 SC23 Center for Research Informatics at University of Chicago Randi IBM Spectrum Scale 10 160 60.88 31.05 119.36
128 SC19 University of Cambridge Data Accelerator Dell EMC Lustre 10 320 60.25 21.73 167.09 -
129 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 320 57.99 20.80 161.71 -
130 ISC20 Red Hat EC2-10xi3en.metal Red Hat CephFS 10 320 57.17 26.29 124.30 -
131 ISC20 Red Hat EC2-10xi3en.metal Red Hat CephFS 10 320 55.13 25.67 118.42 -
132 ISC24 Poznan Supercomputing and Networking Center Altair Huawei/xFiusion Lustre 10 200 54.03 11.39 256.36
133 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 52.58 35.06 78.86 -
134 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 50.08 32.71 76.67 -
135 ISC25 Universidad Carlos III de Madrid C3-UC3M ARCOS-UC3M Expand 10 640 47.50 18.87 119.55
136 SC21 NLHPC Guacolda IBM SpectrumScale 10 360 45.26 17.91 114.36 -
137 SC23 Telecommunications Technology Association KR580S1 Gluesys Lustre 10 320 44.82 23.29 86.26
138 SC19 National Supercomputing Centre, Singapore Aspire 1 DDN IME 10 160 43.04 101.75 18.21 -
139 SC25 TU Dresden ZIH Alpha Centauri Quobyte Quobyte Data Center File System 10 170 42.84 33.81 54.27
140 SC19 Penguin Computing Benchmarking and Innovation Lab Penguin-ASG-NVBeeOne Penguin Computing/Excelero BeeGFS 10 320 39.65 17.71 88.76 -
141 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF Huawei Spectrum Scale 10 100 37.26 11.30 122.93
142 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 1,440 36.55 18.58 71.90 -
143 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 32.79 14.02 76.67 -
144 SC20 Raytheon WekaIO Penguin Computing wekafs 10 440 32.20 14.83 69.88 -
145 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 31.39 12.34 79.83 -
146 SC24 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute cluster Vast Data Vast 10 640 31.08 11.61 83.22
147 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 30.83 13.35 71.22 -
148 SC20 Forschungszentrum Juelich (FZJ) JUWELS HPEDDN IME 10 400 29.81 178.11 4.99 -
149 SC24 Wroclaw Centre for Networking and Supercomputing Lem Huawei/xFusion Lustre 10 200 28.02 10.76 72.99
150 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 27.56 10.38 73.20 -
151 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 400 24.70 16.32 37.37 -
152 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 24.19 11.85 49.39 -
153 SC23 Universidad Carlos III de Madrid MareNostrum 4 ARCOS-UC3M Expand 10 320 22.77 23.88 21.71
154 SC19 Clemson University Palmetto Burstbuffer AdvancedHPC BeeGFS 10 120 21.55 12.97 35.80 -
155 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 21.32 11.27 40.32 -
156 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 20.83 5.01 86.67
157 SC19 Stanford Sherlock/Fir Dell, QCT, HGST Lustre 10 240 18.25 5.23 63.74 -
158 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 17.57 6.43 48.03
159 ISC21 Georgia Institute of Technology PACE-Phoenix DDN Lustre 10 240 17.07 4.52 64.48 -
160 ISC23 Arizona State University Sol Dell BeeGFS 10 160 16.48 4.40 61.76
161 SC20 University of Tsukuba Cygnus OSS Gfarm 10 20 16.12 8.10 32.09 -
162 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.61 7.34 33.22 -
163 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 15.57 12.33 19.65
164 ISC21 Howard Hughes Medical Institute Janelia Research Campus Vast nrsv 10 300 15.50 7.54 31.84 -
165 SC19 University of Birmingham BEAR-AI DDN Spectrum Scale 10 80 15.39 2.74 86.48 -
166 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.38 7.04 33.57 -
167 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 15.07 7.05 32.21 -
168 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 14.57 10.58 20.07
169 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 14.55 6.95 30.46 -
170 SC19 Nanyang Technological University Hadley DDN GPFS 10 640 12.89 7.47 22.24 -
171 SC21 GWDG SCC BeeGFS 10 80 12.55 2.63 59.85 -
172 SC19 SUSE TigerShark SUSE, Intel, Lenovo SUSE Enterprise Storage - CephFS 10 80 12.43 4.64 33.34 -
173 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Inc. Quobyte 10 240 11.34 12.34 10.43 -
174 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.31 3.62 35.37 -
175 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.13 3.63 34.15 -
176 SC20 EPCC Archer 2 (test system) Cray Lustre 10 80 10.68 2.63 43.43 -
177 SC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 260 10.64 7.44 15.22 -
178 ISC23 Panasas PanEast ActiveStor Flash Panasas Panfs 10 80 10.57 4.49 24.90
179 SC25 Research Computing at Rochester Institute of Technology sporc Internal CephFS 10 320 10.08 7.85 12.94
180 SC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.92 4.27 23.08 -
181 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 9.87 6.36 15.32 -
182 ISC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.82 4.40 21.92 -
183 SC19 Stanford Sherlock/Oak Dell, QCT, HGST Lustre 10 240 9.31 1.89 45.87 -
184 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF DELL CephFS 10 160 8.13 8.28 7.98
185 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 820 8.01 6.31 10.17 -
186 ISC20 German Climate Computing Center Mistral Cray Lustre1 10 120 7.92 2.93 21.36 -
187 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 7.27 5.96 8.86 -
188 SC19 Stanford Sherlock/Regal Dell Lustre 10 160 7.05 1.64 30.28 -
189 ISC20 German Climate Computing Center Mistral Cray Lustre1 10 120 6.92 2.89 16.57 -
190 SC24 RTX Pratt Whitney Wilson VDURA PanFS 10 160 6.70 2.17 20.70
191 SC23 LCPQ Ampere Home made BeeGFS 10 30 6.65 1.22 36.16
192 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 10 100 6.63 1.39 31.62 -
193 SC19 Janelia Research Campus, HHMI dm11 #N/A Scale-out NAS 10 760 6.42 2.61 15.82 -
194 ISC23 Panasas PanEast ActiveStor UltraXL Panasas Panfs 10 80 6.25 1.86 21.01
195 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 6.20 3.51 10.95 -
196 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 5.68 3.67 8.80 -
197 SC23 Eikon Therapeutics spt-compute1 Qumulo Qumulo Core 10 20 5.35 2.24 12.77 -
198 ISC21 DKRZ Mistral Seagate/Cray Lustre 10 80 5.22 1.16 23.50 -
199 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 4.98 3.56 6.96 -
200 SC19 Janelia Research Campus, HHMI nrs Qumulo Scale-out NAS 10 760 4.19 2.88 6.11 -