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

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Subset of all submissions that satisfy the existing IO500 submission guidelines. This list contains entries that do not qualify for any of the production and research lists, for example because they do not have at least 10 client nodes, or were run with an old version of the benchmark, and multiple results for the same system.
# Information IO500
BoF Institution System Storage Vendor File System Type Client Nodes Total Client Proc. Score BW MD Repro.
(GiB/s) (kIOP/s)
201 SC19 State Key Laboratory of High-end Server & Storage Technology (HSS) TStor3000 INSPUR BeeGFS 10 300 82.57 41.14 165.71 -
202 SC19 iFLYTEK iFLYTEK Yanrong YRCloudFile 10 200 78.54 13.55 455.18 -
203 SC24 Poznan Supercomputing and Networking Center Proxima xFiusion Lustre 10 300 77.76 17.94 337.05
204 SC20 NASA hyperwall4 Intel. SK-Hynx SSD 128 1,024 75.75 122.24 46.94 -
205 ISC24 Poznan Supercomputing and Networking Center Altair xFiusion Lustre 15 240 73.50 15.24 354.60
206 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Oracle Cloud Infrastructure Spectrum Scale 48 768 70.91 34.91 144.06 -
207 SC25 Purdue University Gautschi DDN EXAScaler 10 1,920 70.18 19.59 251.47
208 ISC20 DDN AI400X DDN Lustre 10 160 69.92 21.01 232.70 -
209 SC21 IBM Tucson Arches 2021B IBM SpectrumScale 10 200 68.83 33.02 143.46 -
210 SC21 CQ Narval Dell Lustre 640 640 68.31 32.74 142.53 -
211 SC19 Google Cloud EXA5-GCP-PD-SSD Google Cloud Lustre 200 1,600 67.78 26.93 170.61 -
212 SC19 CSIRO bracewell Dell/ThinkParQ beegfs 10 160 66.80 33.77 132.15 -
213 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Oracle Cloud Infrastructure Spectrum Scale 48 768 66.69 31.78 139.96 -
214 ISC20 SPbPU Polytechnic RSC Tornado RSC Group Lustre 59 944 64.29 21.56 191.73 -
215 ISC20 SPbPU Polytechnic RSC Tornado RSC Group Lustre 59 944 64.11 21.00 195.66 -
216 SC19 iFLYTEK iFLYTEK Yanrong YRCloudFile 10 200 63.98 11.41 358.87 -
217 SC19 DDN AI400 DDN Lustre 10 240 63.88 19.65 207.63 -
218 ISC20 DDN AI400X DDN Lustre 10 160 63.83 17.79 229.01 -
219 ISC25 Hammerspace Hammerspace Performance Lab Hammerspace pNFS v4.2 via Hammerspace Anvil Metadata Service 10 640 63.77 37.25 109.16
220 ISC21 Howard Hughes Medical Institute Janelia Research Campus Janelia Weka.io Weka.io 10 300 62.68 18.17 216.22 -
221 SC21 Raytheon MCK-HPC Penguin Computing WekaFS 10 360 62.55 25.96 150.70 -
222 SC22 Mohamed bin Zayed University CIAI Q-Leap Networks GmbH / HPCME Lustre 16 256 62.40 22.22 175.23 -
223 SC23 Center for Research Informatics at University of Chicago Randi IBM Spectrum Scale 10 160 60.88 31.05 119.36
224 SC19 University of Cambridge Data Accelerator Dell EMC Lustre 10 320 60.25 21.73 167.09 -
225 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 320 57.99 20.80 161.71 -
226 ISC20 Red Hat EC2-10xi3en.metal Red Hat CephFS 10 320 57.17 26.29 124.30 -
227 ISC20 Red Hat EC2-10xi3en.metal Red Hat CephFS 10 320 55.13 25.67 118.42 -
228 ISC24 Saudi ARAMCO CSSP DDN EXAScaler 93 744 55.11 38.14 79.63
229 ISC24 Poznan Supercomputing and Networking Center Altair Huawei/xFiusion Lustre 10 200 54.03 11.39 256.36
230 SC23 Poznan Supercomputing and Networking Center Altair Huawei/xFusion Lustre 14 392 53.70 8.84 326.39
231 SC19 Google Cloud EXA5-GCP-PD-STD Google Cloud Lustre 200 1,600 52.96 17.31 162.06 -
232 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 52.58 35.06 78.86 -
233 SC20 Raytheon WekaIO Penguin Computing wekafs 42 1,596 50.58 16.39 156.10 -
234 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 50.08 32.71 76.67 -
235 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO wekaio 18 1,368 48.75 26.22 90.62 -
236 SC19 Oracle Cloud Infrastructure Oracle Cloud Infrastructure with Block Volume Service running Spectrum Scale Oracle Cloud Infrastructure Block Volumes Service Spectrum Scale 30 480 47.55 20.38 110.93 -
237 ISC25 Universidad Carlos III de Madrid C3-UC3M ARCOS-UC3M Expand 10 640 47.50 18.87 119.55
238 SC24 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute cluster Vast Data Vast 32 2,048 47.19 18.78 118.59
239 SC21 NLHPC Guacolda IBM SpectrumScale 10 360 45.26 17.91 114.36 -
240 SC23 Telecommunications Technology Association KR580S1 Gluesys Lustre 10 320 44.82 23.29 86.26
241 SC19 National Supercomputing Centre, Singapore Aspire 1 DDN IME 10 160 43.04 101.75 18.21 -
242 SC25 TU Dresden ZIH Alpha Centauri Quobyte Quobyte Data Center File System 10 170 42.84 33.81 54.27
243 SC19 Penguin Computing Benchmarking and Innovation Lab Penguin-ASG-NVBeeOne Penguin Computing/Excelero BeeGFS 10 320 39.65 17.71 88.76 -
244 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF Huawei Spectrum Scale 10 100 37.26 11.30 122.93
245 SC19 CNES HAL DDN Spectrum Scale 96 96 37.16 9.71 142.20 -
246 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 1,440 36.55 18.58 71.90 -
247 SC19 CNES HAL DDN Spectrum Scale 96 96 34.76 8.51 141.99 -
248 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 32.79 14.02 76.67 -
249 SC20 Raytheon WekaIO Penguin Computing wekafs 10 440 32.20 14.83 69.88 -
250 SC24 Gesellschaft fur wissenschaftliche Datenverarbeitung Emmy Clyso CephFS 18 270 32.17 11.92 86.81
251 ISC26 Gluesys Gluesys-TTA IO500 Testbed Gluesys Lustre 10 240 31.68 7.64 131.39
252 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 31.39 12.34 79.83 -
253 SC24 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute cluster Vast Data Vast 10 640 31.08 11.61 83.22
254 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 30.83 13.35 71.22 -
255 SC20 Forschungszentrum Juelich (FZJ) JUWELS HPEDDN IME 10 400 29.81 178.11 4.99 -
256 SC24 Wroclaw Centre for Networking and Supercomputing Lem Huawei/xFusion Lustre 10 200 28.02 10.76 72.99
257 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 27.56 10.38 73.20 -
258 SC23 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute Cluster Vast Data Vast 32 2,048 26.83 11.45 62.84
259 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 400 24.70 16.32 37.37 -
260 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 24.19 11.85 49.39 -
261 SC25 Telecommunications Technology Association FrightPro SR800 S4 Gluesys Lustre 6 312 23.88 6.00 95.10
262 SC23 Universidad Carlos III de Madrid MareNostrum 4 ARCOS-UC3M Expand 10 320 22.77 23.88 21.71
263 ISC25 GWDG Future Technology Platform Intel Lustre 21 420 22.08 6.49 75.14
264 SC21 HHMIJRC Janelia Compute Cluster Vast Data Vast 80 2,880 21.72 14.11 33.42 -
265 SC19 Clemson University Palmetto Burstbuffer AdvancedHPC BeeGFS 10 120 21.55 12.97 35.80 -
266 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 21.32 11.27 40.32 -
267 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 20.83 5.01 86.67
268 ISC20 Simon Fraser University Cedar Dell/Seagate Lustre 288 288 18.72 7.66 45.75 -
269 SC19 Stanford Sherlock/Fir Dell, QCT, HGST Lustre 10 240 18.25 5.23 63.74 -
270 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 17.57 6.43 48.03
271 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Inc. Quobyte 48 336 17.55 19.76 15.60 -
272 ISC21 Georgia Institute of Technology PACE-Phoenix DDN Lustre 10 240 17.07 4.52 64.48 -
273 ISC23 Arizona State University Sol Dell BeeGFS 10 160 16.48 4.40 61.76
274 SC20 University of Tsukuba Cygnus OSS Gfarm 10 20 16.12 8.10 32.09 -
275 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.61 7.34 33.22 -
276 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 15.57 12.33 19.65
277 ISC21 Howard Hughes Medical Institute Janelia Research Campus Vast nrsv 10 300 15.50 7.54 31.84 -
278 SC19 University of Birmingham BEAR-AI DDN Spectrum Scale 10 80 15.39 2.74 86.48 -
279 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.38 7.04 33.57 -
280 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 15.07 7.05 32.21 -
281 SC19 SUSE TigerShark SUSE, Intel, Lenovo SUSE Enterprise Storage - CephFS 15 120 14.91 5.74 38.72 -
282 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 14.57 10.58 20.07
283 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 14.55 6.95 30.46 -
284 SC19 Nanyang Technological University Hadley DDN GPFS 10 640 12.89 7.47 22.24 -
285 SC21 GWDG SCC BeeGFS 10 80 12.55 2.63 59.85 -
286 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 88 2,816 12.50 8.31 18.79 -
287 SC19 SUSE TigerShark SUSE, Intel, Lenovo SUSE Enterprise Storage - CephFS 10 80 12.43 4.64 33.34 -
288 SC21 ULHPC Aion DDN SpectrumScale 128 256 11.35 1.80 71.57 -
289 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Inc. Quobyte 10 240 11.34 12.34 10.43 -
290 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.31 3.62 35.37 -
291 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.13 3.63 34.15 -
292 SC20 EPCC Archer 2 (test system) Cray Lustre 10 80 10.68 2.63 43.43 -
293 SC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 260 10.64 7.44 15.22 -
294 ISC23 Panasas PanEast ActiveStor Flash Panasas Panfs 10 80 10.57 4.49 24.90
295 SC25 Research Computing at Rochester Institute of Technology sporc Internal CephFS 10 320 10.08 7.85 12.94
296 SC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.92 4.27 23.08 -
297 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 9.87 6.36 15.32 -
298 ISC26 GLiCID Phileas IBM Spectrum Scale 10 240 9.82 0.64 151.72
299 ISC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.82 4.40 21.92 -
300 SC19 Stanford Sherlock/Oak Dell, QCT, HGST Lustre 10 240 9.31 1.89 45.87 -