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.
# Information IO500
BoF Institution System Storage Vendor File System Type Client Nodes Total Client Proc. Score BW MD Repro.
(GiB/s) (kIOP/s)
101 SC18 Clemson University Palmetto Dell BeeGFS 32 32 9.42 2.94 30.19 -
102 SC18 Clemson University Palmetto Dell BeeGFS 16 16 9.07 2.84 28.95 -
103 SC18 Clemson University ofsdev Dell Lustre 16 64 8.63 2.10 35.37 -
104 SC18 Clemson University ofsdev Dell Lustre 16 128 8.58 2.05 35.83 -
105 SC18 Clemson University Palmetto Dell BeeGFS 48 48 7.64 2.93 19.88 -
106 SC18 Clemson University ofsdev Dell Lustre 10 40 7.36 1.90 28.59 -
107 SC18 Clemson University Palmetto Dell BeeGFS 10 10 7.14 2.32 22.05 -
108 SC19 Stanford Sherlock/Regal Dell Lustre 10 160 7.05 1.64 30.28 -
109 SC18 Clemson University Palmetto Dell BeeGFS 32 32 6.67 2.95 15.10 -
110 SC18 Clemson University Palmetto Dell BeeGFS 32 128 6.26 1.25 31.42 -
111 SC18 Clemson University Palmetto Dell BeeGFS 32 64 6.16 1.25 30.28 -
112 SC18 Clemson University ofsdev Dell Lustre 16 32 6.07 1.34 27.56 -
113 SC18 Clemson University Palmetto Dell BeeGFS 32 256 5.79 1.05 31.92 -
114 SC18 Clemson University Palmetto Dell BeeGFS 16 16 5.08 2.24 11.49 -
115 SC18 Clemson University ofsdev Dell Lustre 16 16 4.88 1.31 18.17 -
116 SC18 Clemson University Palmetto Dell OrangeFS 32 32 2.31 1.93 2.77 -
117 SC18 Clemson University Palmetto Dell OrangeFS 48 48 2.15 1.80 2.57 -
118 SC18 Clemson University Palmetto Dell OrangeFS 16 16 1.47 1.21 1.79 -
119 ISC19 University of Cambridge Data Accelerator Dell EMC Lustre 512 8,192 620.69 162.05 2,377.44 -
120 SC19 University of Cambridge Data Accelerator Dell EMC Lustre 128 2,048 229.45 131.25 401.13 -
121 SC18 University of Cambridge Data Accelerator Dell EMC Lustre 528 4,224 158.71 71.40 352.75 -
122 ISC19 University of Cambridge Data Accelerator Dell EMC Lustre 10 320 98.31 26.94 358.85 -
123 SC18 University of Cambridge Data Accelerator Dell EMC BeeGFS 184 5,888 74.58 58.81 94.57 -
124 SC19 University of Cambridge Data Accelerator Dell EMC Lustre 10 320 60.25 21.73 167.09 -
125 SC19 Stanford Sherlock/Fir Dell, QCT, HGST Lustre 10 240 18.25 5.23 63.74 -
126 SC19 Stanford Sherlock/Oak Dell, QCT, HGST Lustre 10 240 9.31 1.89 45.87 -
127 ISC20 CSIRO bracewell Dell/DDN Lustre 10 400 99.64 39.90 248.81 -
128 ISC20 CSIRO bracewell Dell/DDN Lustre 10 400 97.67 39.87 239.26 -
129 ISC22 University of Cambridge Cumulus Dell/Intel DAOS 200 2,000 1,107.17 283.19 4,328.68 -
130 ISC22 University of Cambridge Cumulus Dell/Intel DAOS 10 2,000 963.00 216.78 4,277.86 -
131 ISC20 Simon Fraser University Cedar Dell/Seagate Lustre 288 288 18.72 7.66 45.75 -
132 SC19 CSIRO bracewell scratch2 Dell/ThinkParQ beegfs 26 260 94.86 69.10 130.23 -
133 ISC19 CSIRO bracewell Dell/ThinkParQ BeeGFS 26 260 88.26 67.44 115.50 -
134 SC19 CSIRO bracewell Dell/ThinkParQ beegfs 10 160 66.80 33.77 132.15 -
135 ISC19 CSIRO bracewell Dell/ThinkParQ BeeGFS 10 160 63.46 34.85 115.56 -
136 ISC19 CSIRO bracewell Dell/ThinkParQ BeeGFS 16 64 26.44 7.11 98.26 -
137 ISC19 Queen Mary University Of London Apocrita E8 Spectrum Scale 10 240 11.73 4.73 29.11 -
138 SC18 Queen Mary; University Of London Apocrita E8 GPFS 10 240 9.65 4.32 21.55 -
139 SC22 Telecommunications Technology Association Supermicro A+ Big Twin GLUESYS Lustre 4 96 27.43 8.59 87.53 -
140 ISC22 Telecommunications Technology Association GLUESYS anystor3.1 lustre 4 112 25.29 9.56 66.90 -
141 SC18 Google Exascaler on GCP Google Lustre 120 960 47.23 23.06 96.74 -
142 SC18 Google and DDN Lustre on GCP Google Lustre 10 80 12.82 4.30 38.23 -
143 ISC19 PGS Lustre on GCP Google Lustre 10 50 5.70 1.91 17.05 -
144 SC19 Google Cloud EXA5-GCP-PD-SSD Google Cloud Lustre 200 1,600 67.78 26.93 170.61 -
145 SC19 Google Cloud EXA5-GCP-PD-STD Google Cloud Lustre 200 1,600 52.96 17.31 162.06 -
146 SC18 Google Exascaler-on-GCP Google Cloud Lustre 60 480 39.12 14.31 106.91 -
147 SC20 Forschungszentrum Juelich (FZJ) JUWELS HPEDDN IME 10 400 29.81 178.11 4.99 -
148 ISC19 Hewlett Packard Enterprise GTO Hewlett Packard Enterprise HPE XFS 10 200 26.21 19.57 35.11 -
149 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 4 80 8.41 1.77 39.98 -
150 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 10 100 6.63 1.39 31.62 -
151 ISC23 JNIST and HUST PDSL Cheeloo-1 with OceanStor Pacific Huawei OceanFS2 10 9,600 137,100.02 2,439.37 7,705,448.04
152 SC21 Huawei HPDA Lab Athena Huawei OceanFS 10 1,720 2,395.03 314.56 18,235.71 -
153 SC21 Olympus Lab OceanStor Pacific Huawei OceanFS 10 1,720 2,298.69 317.07 16,664.88 -
154 ISC21 Olympus Storage Technology Innovation Lab OceanStor Huawei OceanFS 10 960 220.10 69.49 697.15 -
155 SC18 Oak Ridge National Laboratory Summit IBM Spectrum Scale 504 1,008 330.56 88.20 1,238.93 -
156 ISC23 IBM Tuscon Arches 2 Storage Scale 3500 BBs IBM IBM Storage Scale 5.1.7.1 with ESS 6.1.6.0 10 200 128.00 73.80 222.03
157 ISC22 IBM Tuscon Arches IBM Spectrum Scale 10 200 110.07 62.59 193.59 -
158 SC21 NLHPC Guacolda IBM SpectrumScale 24 480 83.18 33.87 204.27 -
159 SC21 IBM Tucson Arches 2021B IBM SpectrumScale 10 200 68.83 33.02 143.46 -
160 SC21 NLHPC Guacolda IBM SpectrumScale 10 360 45.26 17.91 114.36 -
161 SC18 Oak Ridge National Laboratory Summit IBM Spectrum Scale 10 160 44.30 9.84 199.48 -
162 ISC18 IBM Sonasad IBM Spectrum Scale 10 10 24.24 4.57 128.61 -
163 ISC18 SNL Serrano IBM Spectrum Scale 16 160 4.25 0.65 27.98 -
164 SC21 IBMDL Sandbox IBM SpectrumScale 10 0 3.17 0.61 16.57 -
165 SC18 Sandia National Laboratories Ghost IBM GPFS 10 100 0.31 0.05 1.85 -
166 SC19 State Key Laboratory of High-end Server & Storage Technology (HSS) TStor3000 INSPUR BeeGFS 10 300 82.57 41.14 165.71 -
167 SC22 Meadowgate Technologies Meadowgate INTEL HPE DAOS 10 1,280 1,014.24 213.15 4,826.12 -
168 SC22 Meadowgate Technologies Meadowgate INTEL HPE DAOS 10 1,280 1,000.34 209.21 4,783.11 -
169 ISC19 Inspur Inspur BeeGFS 10 400 20.17 8.61 47.26 -
170 ISC19 Inspur TStor3000 Inspur BeeGFS 10 400 14.67 4.48 48.06 -
171 SC22 Argonne National Laboratory Aurora Storage Intel DAOS 260 27,040 20,694.50 6,048.69 70,802.51 -
172 ISC21 Intel Endeavour Intel DAOS 10 1,440 1,859.56 398.77 8,671.65 -
173 ISC20 Intel Wolf Intel DAOS 52 1,664 1,792.98 371.67 8,649.57 -
174 ISC20 Intel Wolf Intel DAOS 52 1,664 1,614.02 368.44 7,070.51 -
175 SC19 Intel Wolf Intel DAOS 26 728 933.64 183.36 4,753.79 -
176 ISC20 TACC Frontera Intel DAOS 60 1,440 763.80 78.31 7,449.56 -
177 ISC20 Intel Wolf Intel DAOS 10 420 758.71 164.77 3,493.56 -
178 ISC20 TACC Frontera Intel DAOS 60 1,440 756.01 75.40 7,580.23 -
179 ISC20 Intel Wolf Intel DAOS 10 420 736.33 163.19 3,322.40 -
180 SC19 Intel Wolf Intel DAOS 10 310 516.41 123.89 2,152.46 -
181 ISC20 TACC Frontera Intel DAOS 10 420 508.88 79.16 3,271.49 -
182 ISC20 TACC Frontera Intel DAOS 10 420 507.13 78.47 3,277.36 -
183 ISC23 Intel Borealis Intel DAOS 10 1,040 431.43 125.21 1,486.53
184 SC20 Intel Endeavour Intel DAOS 10 640 353.72 43.59 2,870.64 -
185 ISC23 Intel Florence Intel DAOS 10 1,120 211.34 31.00 1,440.73
186 ISC23 Riken R-CCS Riken-FX700 Intel DAOS 10 480 126.10 21.39 743.47
187 SC20 NASA hyperwall4 Intel. SK-Hynx SSD 128 1,024 75.75 122.24 46.94 -
188 SC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 240 167.64 22.97 1,223.59 -
189 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 96.46 11.61 801.60 -
190 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 92.91 10.96 787.71 -
191 ISC23 LRZ SuperMUC-NG-Phase2 Lenovo DAOS 24 2,688 2,111.06 433.05 10,291.12
192 ISC23 LRZ SuperMUC-NG-Phase2-10 Lenovo DAOS 10 1,120 1,533.28 266.73 8,813.96
193 ISC23 LRZ SuperMUC-NG-Phase2-EC Lenovo DAOS 24 2,688 1,386.41 336.35 5,714.63
194 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 20 1,280 1,371.30 321.75 5,844.40 -
195 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 10 640 1,034.55 209.48 5,109.23 -
196 ISC23 LRZ SuperMUC-NG-Phase2-EC-10 Lenovo DAOS 10 1,120 1,008.81 218.38 4,660.23
197 ISC21 Lenovo Lenovo-Lenox Lenovo DAOS 36 3,456 988.99 176.37 5,545.61 -
198 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 20 1,280 800.77 241.02 2,660.54 -
199 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 10 640 665.68 175.55 2,524.27 -
200 ISC22 Lenovo Lenovo-Lenox3 Lenovo DAOS 20 1,440 624.59 145.12 2,688.20 -