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 Historic list of submissions that satisfy the existing IO500 submission guidelines
# Information IO500
BoF Institution System Storage Vendor File System Type Client Nodes Total Client Proc. Score BW MD Repro.
(GiB/s) (kIOP/s)
201 SC20 JCAHPC Oakforest-PACS DDN IME 2,048 4,096 253.57 697.20 92.22 -
202 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO wekaio 18 1,368 48.75 26.22 90.62 -
203 SC19 Penguin Computing Benchmarking and Innovation Lab Penguin-ASG-NVBeeOne Penguin Computing/Excelero BeeGFS 10 320 39.65 17.71 88.76 -
204 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 175.85 348.95 88.62 -
205 SC24 Gesellschaft fur wissenschaftliche Datenverarbeitung Emmy Clyso CephFS 18 270 32.17 11.92 86.81
206 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 20.83 5.01 86.67
207 SC19 University of Birmingham BEAR-AI DDN Spectrum Scale 10 80 15.39 2.74 86.48 -
208 SC23 Telecommunications Technology Association KR580S1 Gluesys Lustre 10 320 44.82 23.29 86.26
209 SC24 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute cluster Vast Data Vast 10 640 31.08 11.61 83.22
210 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 31.39 12.34 79.83 -
211 ISC24 Saudi ARAMCO CSSP DDN EXAScaler 93 744 55.11 38.14 79.63
212 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 52.58 35.06 78.86 -
213 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 10 160 50.08 32.71 76.67 -
214 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 32.79 14.02 76.67 -
215 ISC25 GWDG Future Technology Platform Intel Lustre 21 420 22.08 6.49 75.14
216 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 10 160 27.56 10.38 73.20 -
217 SC24 Wroclaw Centre for Networking and Supercomputing Lem Huawei/xFusion Lustre 10 200 28.02 10.76 72.99
218 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 1,440 36.55 18.58 71.90 -
219 SC21 ULHPC Aion DDN SpectrumScale 128 256 11.35 1.80 71.57 -
220 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 30.83 13.35 71.22 -
221 SC20 Raytheon WekaIO Penguin Computing wekafs 10 440 32.20 14.83 69.88 -
222 SC20 TACC Frontera DDN IME 10 280 109.91 176.23 68.55 -
223 ISC21 Georgia Institute of Technology PACE-Phoenix DDN Lustre 10 240 17.07 4.52 64.48 -
224 SC19 Stanford Sherlock/Fir Dell, QCT, HGST Lustre 10 240 18.25 5.23 63.74 -
225 SC23 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute Cluster Vast Data Vast 32 2,048 26.83 11.45 62.84
226 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 146.33 341.29 62.74 -
227 ISC23 Arizona State University Sol Dell BeeGFS 10 160 16.48 4.40 61.76
228 SC21 GWDG SCC BeeGFS 10 80 12.55 2.63 59.85 -
229 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 24.19 11.85 49.39 -
230 ISC20 JCAHPC Oakforest-PACS DDN IME 2,048 16,384 168.09 581.43 48.60 -
231 SC23 Mississippi State University High Performance Computing Collaboratory Orion DDN Lustre 10 400 17.57 6.43 48.03
232 SC20 NASA hyperwall4 Intel. SK-Hynx SSD 128 1,024 75.75 122.24 46.94 -
233 SC19 Stanford Sherlock/Oak Dell, QCT, HGST Lustre 10 240 9.31 1.89 45.87 -
234 ISC20 Simon Fraser University Cedar Dell/Seagate Lustre 288 288 18.72 7.66 45.75 -
235 SC20 EPCC Archer 2 (test system) Cray Lustre 10 80 10.68 2.63 43.43 -
236 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 21.32 11.27 40.32 -
237 SC19 SUSE TigerShark SUSE, Intel, Lenovo SUSE Enterprise Storage - CephFS 15 120 14.91 5.74 38.72 -
238 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 400 24.70 16.32 37.37 -
239 SC23 LCPQ Ampere Home made BeeGFS 10 30 6.65 1.22 36.16
240 SC19 Clemson University Palmetto Burstbuffer AdvancedHPC BeeGFS 10 120 21.55 12.97 35.80 -
241 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.31 3.62 35.37 -
242 ISC20 National Center for Supercomputing Applications HAL DDN Spectrum Scale 10 100 11.13 3.63 34.15 -
243 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.38 7.04 33.57 -
244 SC21 HHMIJRC Janelia Compute Cluster Vast Data Vast 80 2,880 21.72 14.11 33.42 -
245 SC19 SUSE TigerShark SUSE, Intel, Lenovo SUSE Enterprise Storage - CephFS 10 80 12.43 4.64 33.34 -
246 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 220 15.61 7.34 33.22 -
247 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 15.07 7.05 32.21 -
248 SC20 University of Tsukuba Cygnus OSS Gfarm 10 20 16.12 8.10 32.09 -
249 ISC21 Howard Hughes Medical Institute Janelia Research Campus Vast nrsv 10 300 15.50 7.54 31.84 -
250 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 10 100 6.63 1.39 31.62 -
251 ISC20 SUSE HammerHead SUSE/Ampere/Arm CephFS 10 200 14.55 6.95 30.46 -
252 SC19 Stanford Sherlock/Regal Dell Lustre 10 160 7.05 1.64 30.28 -
253 ISC23 Panasas PanEast ActiveStor Flash Panasas Panfs 10 80 10.57 4.49 24.90
254 ISC21 DKRZ Mistral Seagate/Cray Lustre 10 80 5.22 1.16 23.50 -
255 SC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.92 4.27 23.08 -
256 SC19 Nanyang Technological University Hadley DDN GPFS 10 640 12.89 7.47 22.24 -
257 ISC22 Omnibond OrangeFS-Google Omnibond-Google OrangeFS 10 150 9.82 4.40 21.92 -
258 SC23 Universidad Carlos III de Madrid MareNostrum 4 ARCOS-UC3M Expand 10 320 22.77 23.88 21.71
259 ISC20 German Climate Computing Center Mistral Cray Lustre1 10 120 7.92 2.93 21.36 -
260 ISC23 Panasas PanEast ActiveStor UltraXL Panasas Panfs 10 80 6.25 1.86 21.01
261 SC24 RTX Pratt Whitney Wilson VDURA PanFS 10 160 6.70 2.17 20.70
262 SC23 Eikon Therapeutics spt-compute1 Qumulo Qumulo Core 20 40 7.58 2.82 20.38 -
263 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 14.57 10.58 20.07
264 ISC25 UCloud UCloud Compute cluster UCloud UPFS 10 320 15.57 12.33 19.65
265 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 88 2,816 12.50 8.31 18.79 -
266 SC19 National Supercomputing Centre, Singapore Aspire 1 DDN IME 10 160 43.04 101.75 18.21 -
267 ISC20 German Climate Computing Center Mistral Cray Lustre1 10 120 6.92 2.89 16.57 -
268 SC21 IBMDL Sandbox IBM SpectrumScale 10 0 3.17 0.61 16.57 -
269 SC19 Janelia Research Campus, HHMI dm11 #N/A Scale-out NAS 10 760 6.42 2.61 15.82 -
270 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Inc. Quobyte 48 336 17.55 19.76 15.60 -
271 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 9.87 6.36 15.32 -
272 SC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 260 10.64 7.44 15.22 -
273 SC23 Eikon Therapeutics spt-compute1 Qumulo Qumulo Core 10 20 5.35 2.24 12.77 -
274 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 6.20 3.51 10.95 -
275 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Inc. Quobyte 10 240 11.34 12.34 10.43 -
276 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 820 8.01 6.31 10.17 -
277 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 7.27 5.96 8.86 -
278 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 5.68 3.67 8.80 -
279 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF DELL CephFS 10 160 8.13 8.28 7.98
280 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 4.98 3.56 6.96 -
281 SC19 Janelia Research Campus, HHMI nrs Qumulo Scale-out NAS 10 760 4.19 2.88 6.11 -
282 SC19 Janelia Research Campus, HHMI nearline4 Qumulo Scale-out NAS 10 760 3.67 2.45 5.49 -
283 SC20 Forschungszentrum Juelich (FZJ) JUWELS HPEDDN IME 10 400 29.81 178.11 4.99 -
284 ISC20 LNCC SDumont Cay/HPE Lustre 10 240 3.06 2.32 4.02 -