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 ISC23 List

Ranking of all valid submissions ever received, including duplicate entries for the same storage system.
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
101 ISC20 JCAHPC Oakforest-PACS IME DDN 512 4,096 146.33 341.29 62.74 -
102 ISC23 DDN AI400X2-I EXAScaler DDN 10 320 142.03 33.43 603.39
103 ISC18 JCAHPC Oakforest-PACS IME DDN 2,048 16,384 137.78 560.10 33.89 -
104 ISC20 DDN AI400X Lustre DDN 40 1,280 137.03 46.84 400.84 -
105 SC20 Janelia Research Campus, HHMI SharedScratch Parallel Filesystem WekaIO 48 1,248 134.09 48.03 374.40 -
106 SC22 DDN AI400X2-I EXAScaler DDN 10 160 133.81 32.90 544.24 -
107 ISC21 Joint Institute of Nuclear Research Govorun DAOS RSC 10 160 132.07 20.19 863.69 -
108 ISC23 IBM Tuscon Arches 2 Storage Scale 3500 BBs IBM Storage Scale 5.1.7.1 with ESS 6.1.6.0 IBM 10 200 128.00 73.80 222.03
109 ISC20 DDN AI400X Lustre DDN 40 1,280 127.29 40.72 397.91 -
110 ISC23 Riken R-CCS Riken-FX700 DAOS Intel 10 480 126.10 21.39 743.47
111 SC20 Joint Supercomputer Center of the Russian Academy of Sciences MVS10POP2 Lustre RSC Group 54 864 125.50 45.31 347.61 -
112 SC19 EPCC NextGENIO GekkoFS NextGenIO (BSC & JGU) 10 240 125.08 21.47 728.68 -
113 SC20 Janelia Research Campus, HHMI SharedScratch Parallel Filesystem WekaIO 40 1,040 123.47 43.63 349.44 -
114 ISC23 Imperial College London Imperial - hx cluster Spectrum scale Lenovo 32 512 119.56 44.63 320.31
115 ISC20 DDN DIME IME DDN 10 110 116.95 100.37 136.27 -
116 ISC19 DDN IME140 IME DDN 17 272 112.67 90.34 140.52 -
117 ISC22 IBM Tuscon Arches Spectrum Scale IBM 10 200 110.07 62.59 193.59 -
118 SC20 TACC Frontera IME DDN 10 280 109.91 176.23 68.55 -
119 ISC19 DDN Colorado DDN IME140 IME DDN 10 160 109.42 75.79 157.96 -
120 ISC22 DDN AI400X2-I EXAScaler DDN 10 320 107.04 31.10 368.48 -
121 ISC19 DDN AI400 Lustre DDN 10 160 104.34 19.65 553.98 -
122 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud BeeGFS Oracle Cloud Infrastructure 270 3,240 104.30 47.44 229.33 -
123 ISC21 Japan Agency for Marine-Earth Science and Technology Earth Simulator Lustre DDN 10 320 101.88 48.19 215.38 -
124 ISC18 JCAHPC Oakforest-PACS IME DDN 2,048 16,384 101.48 471.25 21.85 -
125 ISC20 CSIRO bracewell Lustre Dell/DDN 10 400 99.64 39.90 248.81 -
126 ISC19 University of Cambridge Data Accelerator Lustre Dell EMC 10 320 98.31 26.94 358.85 -
127 ISC20 CSIRO bracewell Lustre Dell/DDN 10 400 97.67 39.87 239.26 -
128 ISC20 Johannes Gutenberg University Mainz MOGON II GekkoFS JGU (ADA-FS)& BSC (NEXTGenIO) 10 160 96.46 11.61 801.60 -
129 ISC19 DDN IME140 IME DDN 10 160 95.10 76.89 117.62 -
130 SC19 CSIRO bracewell scratch2 beegfs Dell/ThinkParQ 26 260 94.86 69.10 130.23 -
131 ISC20 Johannes Gutenberg University Mainz MOGON II GekkoFS JGU (ADA-FS)& BSC (NEXTGenIO) 10 160 92.91 10.96 787.71 -
132 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud BeeGFS Oracle Cloud Infrastructure 170 2,040 91.48 42.65 196.20 -
133 ISC20 JINR Govorun Lustre RSC Group 50 800 90.87 35.61 231.88 -
134 ISC20 JINR Govorun Lustre RSC Group 50 800 88.51 36.28 215.97 -
135 ISC19 CSIRO bracewell BeeGFS Dell/ThinkParQ 26 260 88.26 67.44 115.50 -
136 SC21 Raytheon MCK-HPC WekaFS Penguin Computing 44 1,584 86.24 27.64 269.10 -
137 SC21 NLHPC Guacolda SpectrumScale IBM 24 480 83.18 33.87 204.27 -
138 SC19 State Key Laboratory of High-end Server & Storage Technology (HSS) TStor3000 BeeGFS INSPUR 10 300 82.57 41.14 165.71 -
139 SC19 iFLYTEK iFLYTEK YRCloudFile Yanrong 10 200 78.54 13.55 455.18 -
140 SC18 WekaIO WekaIO WekaIO 17 935 78.37 37.39 164.26 -
141 ISC18 KAUST ShaheenII DataWarp Cray 1,024 8,192 77.37 496.81 12.05 -
142 SC20 NASA hyperwall4 SSD Intel. SK-Hynx 128 1,024 75.75 122.24 46.94 -
143 SC18 University of Cambridge Data Accelerator BeeGFS Dell EMC 184 5,888 74.58 58.81 94.57 -
144 ISC19 DDN Japan AI400 Lustre DDN 10 160 74.10 12.22 449.28 -
145 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Spectrum Scale Oracle Cloud Infrastructure 48 768 70.91 34.91 144.06 -
146 ISC18 KAUST ShaheenII DataWarp Cray 300 2,400 70.90 151.53 33.17 -
147 ISC20 DDN AI400X Lustre DDN 10 160 69.92 21.01 232.70 -
148 SC21 IBM Tucson Arches 2021B SpectrumScale IBM 10 200 68.83 33.02 143.46 -
149 SC21 CQ Narval Lustre Dell 640 640 68.31 32.74 142.53 -
150 SC19 Google Cloud EXA5-GCP-PD-SSD Lustre Google Cloud 200 1,600 67.78 26.93 170.61 -
151 ISC20 Officinalis CephFS Red Hat, Intel, QCT 8 256 66.88 28.58 156.48 -
152 SC19 CSIRO bracewell beegfs Dell/ThinkParQ 10 160 66.80 33.77 132.15 -
153 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Spectrum Scale Oracle Cloud Infrastructure 48 768 66.69 31.78 139.96 -
154 ISC19 Janelia Research Campus, HHMI Weka WekaIO 10 3,200 66.43 27.74 159.12 -
155 ISC20 SPbPU Polytechnic RSC Tornado Lustre RSC Group 59 944 64.29 21.56 191.73 -
156 ISC20 SPbPU Polytechnic RSC Tornado Lustre RSC Group 59 944 64.11 21.00 195.66 -
157 SC19 iFLYTEK iFLYTEK YRCloudFile Yanrong 10 200 63.98 11.41 358.87 -
158 SC19 DDN AI400 Lustre DDN 10 240 63.88 19.65 207.63 -
159 ISC20 DDN AI400X Lustre DDN 10 160 63.83 17.79 229.01 -
160 ISC19 CSIRO bracewell BeeGFS Dell/ThinkParQ 10 160 63.46 34.85 115.56 -
161 ISC21 Howard Hughes Medical Institute Janelia Research Campus Janelia Weka.io Weka.io 10 300 62.68 18.17 216.22 -
162 SC21 Raytheon MCK-HPC WekaFS Penguin Computing 10 360 62.55 25.96 150.70 -
163 SC22 Mohamed bin Zayed University CIAI Lustre Q-Leap Networks GmbH / HPCME 16 256 62.40 22.22 175.23 -
164 SC19 University of Cambridge Data Accelerator Lustre Dell EMC 10 320 60.25 21.73 167.09 -
165 ISC19 DDN 400NV GRIDScaler DDN 10 30 59.49 13.55 261.21 -
166 ISC20 Officinalis CephFS Red Hat, Intel, QCT 8 256 59.42 28.44 124.13 -
167 SC18 WekaIO WekaIO Matrix WekaIO 10 700 58.25 27.05 125.43 -
168 SC20 Janelia Research Campus, HHMI SharedScratch Parallel Filesystem WekaIO 10 320 57.99 20.80 161.71 -
169 ISC20 Red Hat EC2-10xi3en.metal CephFS Red Hat 10 320 57.17 26.29 124.30 -
170 ISC20 Officinalis CephFS Red Hat, Intel, QCT 8 256 56.28 27.67 114.50 -
171 ISC20 Red Hat EC2-10xi3en.metal CephFS Red Hat 10 320 55.13 25.67 118.42 -
172 ISC20 Officinalis CephFS Red Hat, Intel, QCT 8 256 53.44 28.10 101.63 -
173 SC19 Google Cloud EXA5-GCP-PD-STD Lustre Google Cloud 200 1,600 52.96 17.31 162.06 -
174 SC19 National Supercomputing Center in Changsha Tianhe-2E Lustre National University of Defense Technology 10 160 52.58 35.06 78.86 -
175 SC20 Raytheon WekaIO wekafs Penguin Computing 42 1,596 50.58 16.39 156.10 -
176 SC19 National Supercomputing Center in Changsha Tianhe-2E Lustre National University of Defense Technology 10 160 50.08 32.71 76.67 -
177 SC19 Janelia Research Campus, HHMI SharedScratch wekaio WekaIO 18 1,368 48.75 26.22 90.62 -
178 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 -
179 SC18 Google Exascaler on GCP Lustre Google 120 960 47.23 23.06 96.74 -
180 SC21 NLHPC Guacolda SpectrumScale IBM 10 360 45.26 17.91 114.36 -
181 SC18 Oak Ridge National Laboratory Summit Spectrum Scale IBM 10 160 44.30 9.84 199.48 -
182 SC18 JCAHPC Oakforest-PACS Lustre DDN 256 8,192 44.24 21.42 91.40 -
183 SC19 National Supercomputing Centre, Singapore Aspire 1 IME DDN 10 160 43.04 101.75 18.21 -
184 SC18 JCAHPC Oakforest-PACS Lustre DDN 256 8,192 42.18 20.04 88.78 -
185 ISC18 KAUST ShaheenII Lustre Cray 1,000 16,000 41.00 54.17 31.03 -
186 ISC19 National Computational Infrastructure Australia Raijin Lustre NetApp 15 180 40.92 12.89 129.89 -
187 SC19 Penguin Computing Benchmarking and Innovation Lab Penguin-ASG-NVBeeOne BeeGFS Penguin Computing/Excelero 10 320 39.65 17.71 88.76 -
188 SC18 Google Exascaler-on-GCP Lustre Google Cloud 60 480 39.12 14.31 106.91 -
189 ISC19 National Computational Infrastructure Australia Raijin Lustre NetApp 10 150 37.62 12.82 110.37 -
190 SC19 CNES HAL Spectrum Scale DDN 96 96 37.16 9.71 142.20 -
191 SC19 Janelia Research Campus, HHMI SharedScratch Parallel Filesystem WekaIO 10 1,440 36.55 18.58 71.90 -
192 SC18 Korea Institute of Science and Technology Information (KISTI) NURION IME DDN 2,048 4,096 35.97 14.06 92.03 -
193 ISC18 JSC JURON BeeGFS ThinkparQ 8 64 35.77 14.24 89.81 -
194 SC19 CNES HAL Spectrum Scale DDN 96 96 34.76 8.51 141.99 -
195 SC19 Genomics England GELous WekaIO 10 1,400 34.38 15.17 77.89 -
196 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud BeeGFS Oracle Cloud Infrastructure 10 160 32.79 14.02 76.67 -
197 SC20 Raytheon WekaIO wekafs Penguin Computing 10 440 32.20 14.83 69.88 -
198 ISC22 GWDG NHR Goettingen FTP Weka 8 256 32.17 10.37 99.77 -
199 ISC18 DKRZ Mistral Lustre Seagate 100 1,000 32.15 22.77 45.39 -
200 SC18 DDN Bancholab Lustre DDN 10 240 31.50 6.33 156.69 -

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 — Oakforest-PACS (JCAHPC) #102 — AI400X2-I (DDN) #103 — Oakforest-PACS (JCAHPC) #104 — AI400X (DDN) #105 — SharedScratch (Janelia Research Campus, HHMI) #106 — AI400X2-I (DDN) #107 — Govorun (Joint Institute of Nuclear Research) #108 — Arches 2 Storage Scale 3500 BBs (IBM Tuscon) #109 — AI400X (DDN) #110 — Riken-FX700 (Riken R-CCS)
  • #101 Oakforest-PACS JCAHPC
  • #102 AI400X2-I DDN
  • #103 Oakforest-PACS JCAHPC
  • #104 AI400X DDN
  • #105 SharedScratch Janelia Research Campus, HHMI
  • #106 AI400X2-I DDN
  • #107 Govorun Joint Institute of Nuclear Research
  • #108 Arches 2 Storage Scale 3500 BBs IBM Tuscon
  • #109 AI400X DDN
  • #110 Riken-FX700 Riken R-CCS