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

Historical SC21 List

This is the SC21 historian IO500 list
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
201 ISC20 National Center for Supercomputing Applications NCSA Industry System Spectrum Scale DDN/Dell 8 96 12.37 3.03 50.54 -
202 ISC18 Joint Institute for Nuclear Research Govorun Lustre RSC 24 192 12.08 3.34 43.65 -
203 ISC19 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 480 11.96 5.64 25.37 -
204 ISC19 Queen Mary University Of London Apocrita Spectrum Scale E8 10 240 11.73 4.73 29.11 -
205 SC21 ULHPC Aion SpectrumScale DDN 128 256 11.35 1.80 71.57 -
206 SC20 The Science and Technology Facilities Council JASMIN 4 Quobyte Quobyte Inc. 10 240 11.34 12.34 10.43 -
207 ISC20 National Center for Supercomputing Applications HAL Spectrum Scale DDN 10 100 11.31 3.62 35.37 -
208 ISC20 National Center for Supercomputing Applications NCSA Industry System Spectrum Scale DDN/Dell 8 96 11.28 3.04 41.78 -
209 ISC20 National Center for Supercomputing Applications HAL Spectrum Scale DDN 10 100 11.13 3.63 34.15 -
210 ISC18 PNNL EMSL Cascade Lustre 126 252 11.12 4.88 25.33 -
211 SC18 Clemson University ofsdev BeeGFS Dell 16 128 11.01 1.90 63.81 -
212 SC20 EPCC Archer 2 (test system) Lustre Cray 10 80 10.68 2.63 43.43 -
213 SC20 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 260 10.64 7.44 15.22 -
214 SC18 Clemson University ofsdev BeeGFS Dell 10 80 10.17 2.32 44.67 -
215 ISC20 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 620 9.87 6.36 15.32 -
216 SC18 Queen Mary; University Of London Apocrita GPFS E8 10 240 9.65 4.32 21.55 -
217 SC18 Clemson University Palmetto BeeGFS Dell 32 32 9.42 2.94 30.19 -
218 SC19 Stanford Sherlock/Oak Lustre Dell, QCT, HGST 10 240 9.31 1.89 45.87 -
219 ISC19 Janelia Research Campus, HHMI dm11 Scale-out NAS 10 320 9.22 2.38 35.64 -
220 SC18 Clemson University Palmetto BeeGFS Dell 16 16 9.07 2.84 28.95 -
221 SC18 Clemson University ofsdev Lustre Dell 16 64 8.63 2.10 35.37 -
222 SC18 Clemson University ofsdev Lustre Dell 16 128 8.58 2.05 35.83 -
223 SC19 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 480 8.45 6.16 11.60 -
224 SC19 IST Austria IST Austria HPC BeeGFS Homemade@IST 4 80 8.41 1.77 39.98 -
225 ISC19 SUSE TigerShark CephFS SUSE, Intel, Lenovo 14 98 8.38 3.58 19.60 -
226 SC19 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 820 8.01 6.31 10.17 -
227 ISC20 German Climate Computing Center Mistral Lustre1 Cray 10 120 7.92 2.93 21.36 -
228 SC19 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 480 7.77 5.39 11.18 -
229 SC18 Clemson University Palmetto BeeGFS Dell 48 48 7.64 2.93 19.88 -
230 SC18 CERN Bytecollider CephFS 64 64 7.56 2.83 20.16 -
231 SC18 Clemson University ofsdev Lustre Dell 10 40 7.36 1.90 28.59 -
232 ISC19 SUSE TigerShark SUSE Enterprise Storage SUSE, Intel, Lenovo 10 70 7.32 2.48 21.60 -
233 ISC20 Janelia Research Campus, HHMI Vast Scale-out NAS Vast Data 10 620 7.27 5.96 8.86 -
234 SC18 Clemson University Palmetto BeeGFS Dell 10 10 7.14 2.32 22.05 -
235 SC19 Stanford Sherlock/Regal Lustre Dell 10 160 7.05 1.64 30.28 -
236 ISC20 German Climate Computing Center Mistral Lustre1 Cray 10 120 6.92 2.89 16.57 -
237 SC18 Clemson University Palmetto BeeGFS Dell 32 32 6.67 2.95 15.10 -
238 SC19 IST Austria IST Austria HPC BeeGFS Homemade@IST 10 100 6.63 1.39 31.62 -
239 SC19 Janelia Research Campus, HHMI dm11 Scale-out NAS #N/A 10 760 6.42 2.61 15.82 -
240 SC18 Clemson University Palmetto BeeGFS Dell 32 128 6.26 1.25 31.42 -
241 SC20 University of Reading ThunderX2 Local file system 1 16 6.23 0.37 104.54 -
242 ISC20 Janelia Research Campus, HHMI VastTest Scale-out NAS Vast Data 10 620 6.20 3.51 10.95 -
243 SC18 Clemson University Palmetto BeeGFS Dell 32 64 6.16 1.25 30.28 -
244 SC18 Clemson University ofsdev Lustre Dell 16 32 6.07 1.34 27.56 -
245 SC18 CERN Bytecollider CephFS 64 64 6.01 2.85 12.64 -
246 ISC19 Janelia Research Campus, HHMI nrs Scale out NFS Qumulo 10 320 5.95 2.59 13.69 -
247 SC18 Clemson University Palmetto BeeGFS Dell 32 256 5.79 1.05 31.92 -
248 ISC19 PGS Lustre on GCP Lustre Google 10 50 5.70 1.91 17.05 -
249 ISC20 Janelia Research Campus, HHMI VastTest Scale-out NAS Vast Data 10 620 5.68 3.67 8.80 -
250 ISC19 Janelia Research Campus, HHMI qflash Scale out NFS Qumulo 96 960 5.32 2.80 10.11 -
251 SC18 DKRZ Mistral Lustre2 Seagate 10 80 5.32 1.05 27.06 -
252 ISC21 DKRZ Mistral Lustre Seagate/Cray 10 80 5.22 1.16 23.50 -
253 SC18 Clemson University Palmetto BeeGFS Dell 16 16 5.08 2.24 11.49 -
254 ISC20 Janelia Research Campus, HHMI VastTest Scale-out NAS Vast Data 10 620 4.98 3.56 6.96 -
255 SC18 Clemson University ofsdev Lustre Dell 16 16 4.88 1.31 18.17 -
256 ISC19 Janelia Research Campus, HHMI qflash Scale out NFS Qumulo 10 120 4.46 2.12 9.35 -
257 ISC19 Queen Mary. University Of London Apocrita Spectrum Scale DDN 10 240 4.36 1.26 15.09 -
258 ISC18 SNL Serrano Spectrum Scale IBM 16 160 4.25 0.65 27.98 -
259 SC19 Janelia Research Campus, HHMI nrs Scale-out NAS Qumulo 10 760 4.19 2.88 6.11 -
260 SC18 EPCC Archer Lustre Seagate 10 80 3.70 0.77 17.84 -
261 SC19 Janelia Research Campus, HHMI nearline4 Scale-out NAS Qumulo 10 760 3.67 2.45 5.49 -
262 ISC19 JIHT RAS Desmos BeeGFS 10 60 3.55 0.51 24.88 -
263 SC18 Queen Mary, University Of London Apocrita GPFS DDN 10 240 3.44 0.87 13.56 -
264 ISC19 JIHT RAS Fisher BeeGFS 10 320 3.19 0.51 20.03 -
265 SC21 IBMDL Sandbox SpectrumScale IBM 10 0 3.17 0.61 16.57 -
266 ISC20 LNCC SDumont Lustre Cay/HPE 10 240 3.06 2.32 4.02 -
267 ISC18 STFC Jasmin/Lotus NFS Purestorage 64 128 2.33 0.26 20.93 -
268 SC18 Clemson University Palmetto OrangeFS Dell 32 32 2.31 1.93 2.77 -
269 SC18 Clemson University Palmetto OrangeFS Dell 48 48 2.15 1.80 2.57 -
270 SC18 Nemours nas6 GPFS DDN 1 2 2.06 1.39 3.04 -
271 ISC18 STFC Jasmin/Lotus NFS Purestorage 16 64 1.98 0.21 18.77 -
272 SC18 Nemours nas6 GPFS DDN 1 2 1.52 0.74 3.11 -
273 SC18 Clemson University Palmetto OrangeFS Dell 16 16 1.47 1.21 1.79 -
274 SC18 Sandia National Laboratories Ghost GPFS IBM 10 100 0.31 0.05 1.85 -

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% #201 — NCSA Industry System (National Center for Supercomputing Applications) #202 — Govorun (Joint Institute for Nuclear Research) #203 — Vast (Janelia Research Campus, HHMI) #204 — Apocrita (Queen Mary University Of London) #205 — Aion (ULHPC) #206 — JASMIN 4 (The Science and Technology Facilities Council) #207 — HAL (National Center for Supercomputing Applications) #208 — NCSA Industry System (National Center for Supercomputing Applications) #209 — HAL (National Center for Supercomputing Applications) #210 — EMSL Cascade (PNNL)
  • #201 NCSA Industry System National Center for Supercomputing Applications
  • #202 Govorun Joint Institute for Nuclear Research
  • #203 Vast Janelia Research Campus, HHMI
  • #204 Apocrita Queen Mary University Of London
  • #205 Aion ULHPC
  • #206 JASMIN 4 The Science and Technology Facilities Council
  • #207 HAL National Center for Supercomputing Applications
  • #208 NCSA Industry System National Center for Supercomputing Applications
  • #209 HAL National Center for Supercomputing Applications
  • #210 EMSL Cascade PNNL