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 Google Exascaler-on-GCP Google Cloud Lustre 60 480 39.12 14.31 106.91 -
102 ISC21 Google Cloud Google DDN Lustre 1,000 5,000 569.99 282.78 1,148.90 -
103 SC19 Google Cloud EXA5-GCP-PD-SSD Google Cloud Lustre 200 1,600 67.78 26.93 170.61 -
104 SC19 Google Cloud EXA5-GCP-PD-STD Google Cloud Lustre 200 1,600 52.96 17.31 162.06 -
105 SC18 Google and DDN Lustre on GCP Google Lustre 10 80 12.82 4.30 38.23 -
106 SC21 HHMIJRC Janelia Compute Cluster Vast Data Vast 80 2,880 21.72 14.11 33.42 -
107 ISC19 Hewlett Packard Enterprise GTO Hewlett Packard Enterprise HPE XFS 10 200 26.21 19.57 35.11 -
108 ISC21 Howard Hughes Medical Institute Janelia Research Campus Janelia Weka.io Weka.io 10 300 62.68 18.17 216.22 -
109 ISC21 Howard Hughes Medical Institute Janelia Research Campus Vast nrsv 10 300 15.50 7.54 31.84 -
110 SC21 Huawei Cloud PDSL Flashfs 15 1,560 2,016.70 109.82 37,034.00 -
111 SC21 Huawei HPDA Lab Athena Huawei OceanFS 10 1,720 2,395.03 314.56 18,235.71 -
112 ISC18 IBM Sonasad IBM Spectrum Scale 10 10 24.24 4.57 128.61 -
113 SC21 IBM Tucson Arches 2021B IBM SpectrumScale 10 200 68.83 33.02 143.46 -
114 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
115 ISC22 IBM Tuscon Arches IBM Spectrum Scale 10 200 110.07 62.59 193.59 -
116 SC21 IBMDL Sandbox IBM SpectrumScale 10 0 3.17 0.61 16.57 -
117 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 4 80 8.41 1.77 39.98 -
118 SC19 IST Austria IST Austria HPC Homemade@IST BeeGFS 10 100 6.63 1.39 31.62 -
119 ISC23 Imperial College London Imperial - hx cluster Lenovo Spectrum scale 32 512 119.56 44.63 320.31
120 ISC19 Inspur Inspur BeeGFS 10 400 20.17 8.61 47.26 -
121 ISC19 Inspur TStor3000 Inspur BeeGFS 10 400 14.67 4.48 48.06 -
122 ISC21 Intel Endeavour Intel DAOS 10 1,440 1,859.56 398.77 8,671.65 -
123 ISC20 Intel Wolf Intel DAOS 52 1,664 1,792.98 371.67 8,649.57 -
124 ISC20 Intel Wolf Intel DAOS 52 1,664 1,614.02 368.44 7,070.51 -
125 SC19 Intel Wolf Intel DAOS 26 728 933.64 183.36 4,753.79 -
126 ISC20 Intel Wolf Intel DAOS 10 420 758.71 164.77 3,493.56 -
127 ISC20 Intel Wolf Intel DAOS 10 420 736.33 163.19 3,322.40 -
128 SC19 Intel Wolf Intel DAOS 10 310 516.41 123.89 2,152.46 -
129 ISC23 Intel Borealis Intel DAOS 10 1,040 431.43 125.21 1,486.53
130 SC20 Intel Endeavour Intel DAOS 10 640 353.72 43.59 2,870.64 -
131 ISC23 Intel Florence Intel DAOS 10 1,120 211.34 31.00 1,440.73
132 ISC19 JCAHPC Oakforest-PACS DDN IME 2,048 2,048 275.65 492.06 154.41 -
133 SC20 JCAHPC Oakforest-PACS DDN IME 2,048 4,096 253.57 697.20 92.22 -
134 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 175.85 348.95 88.62 -
135 ISC20 JCAHPC Oakforest-PACS DDN IME 2,048 16,384 168.09 581.43 48.60 -
136 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 146.33 341.29 62.74 -
137 ISC18 JCAHPC Oakforest-PACS DDN IME 2,048 16,384 137.78 560.10 33.89 -
138 ISC18 JCAHPC Oakforest-PACS DDN IME 2,048 16,384 101.48 471.25 21.85 -
139 SC18 JCAHPC Oakforest-PACS DDN Lustre 256 8,192 44.24 21.42 91.40 -
140 SC18 JCAHPC Oakforest-PACS DDN Lustre 256 8,192 42.18 20.04 88.78 -
141 ISC19 JIHT RAS Desmos BeeGFS 10 60 3.55 0.51 24.88 -
142 ISC19 JIHT RAS Fisher BeeGFS 10 320 3.19 0.51 20.03 -
143 ISC20 JINR Govorun RSC Group Lustre 50 800 90.87 35.61 231.88 -
144 ISC20 JINR Govorun RSC Group Lustre 50 800 88.51 36.28 215.97 -
145 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
146 ISC18 JSC JURON ThinkparQ BeeGFS 8 64 35.77 14.24 89.81 -
147 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 48 1,248 134.09 48.03 374.40 -
148 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 40 1,040 123.47 43.63 349.44 -
149 ISC19 Janelia Research Campus, HHMI Weka WekaIO 10 3,200 66.43 27.74 159.12 -
150 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 320 57.99 20.80 161.71 -
151 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO wekaio 18 1,368 48.75 26.22 90.62 -
152 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 1,440 36.55 18.58 71.90 -
153 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 31.39 12.34 79.83 -
154 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 30.83 13.35 71.22 -
155 SC19 Janelia Research Campus, HHMI sharedscratch WekaIO Parallel Filesystem 10 480 25.86 7.75 86.29 -
156 SC19 Janelia Research Campus, HHMI sharedscratch WekaIO Parallel Filesystem 10 480 25.46 7.65 84.69 -
157 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 400 24.70 16.32 37.37 -
158 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 24.19 11.85 49.39 -
159 ISC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 600 21.32 11.27 40.32 -
160 SC19 Janelia Research Campus, HHMI sharedscratch WekaIO Parallel Filesystem 10 480 18.07 7.75 42.12 -
161 ISC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 96 3,072 17.18 8.15 36.22 -
162 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 88 2,816 12.50 8.31 18.79 -
163 ISC19 Janelia Research Campus, HHMI dm11 Scale-out NAS 96 960 12.45 3.22 48.16 -
164 ISC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 480 11.96 5.64 25.37 -
165 SC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 260 10.64 7.44 15.22 -
166 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 9.87 6.36 15.32 -
167 ISC19 Janelia Research Campus, HHMI dm11 Scale-out NAS 10 320 9.22 2.38 35.64 -
168 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 480 8.45 6.16 11.60 -
169 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 820 8.01 6.31 10.17 -
170 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 480 7.77 5.39 11.18 -
171 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 7.27 5.96 8.86 -
172 SC19 Janelia Research Campus, HHMI dm11 #N/A Scale-out NAS 10 760 6.42 2.61 15.82 -
173 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 6.20 3.51 10.95 -
174 ISC19 Janelia Research Campus, HHMI nrs Qumulo Scale out NFS 10 320 5.95 2.59 13.69 -
175 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 5.68 3.67 8.80 -
176 ISC19 Janelia Research Campus, HHMI qflash Qumulo Scale out NFS 96 960 5.32 2.80 10.11 -
177 ISC20 Janelia Research Campus, HHMI VastTest Vast Data Scale-out NAS 10 620 4.98 3.56 6.96 -
178 ISC19 Janelia Research Campus, HHMI qflash Qumulo Scale out NFS 10 120 4.46 2.12 9.35 -
179 SC19 Janelia Research Campus, HHMI nrs Qumulo Scale-out NAS 10 760 4.19 2.88 6.11 -
180 SC19 Janelia Research Campus, HHMI nearline4 Qumulo Scale-out NAS 10 760 3.67 2.45 5.49 -
181 ISC21 Japan Agency for Marine-Earth Science and Technology Earth Simulator DDN Lustre 10 320 101.88 48.19 215.38 -
182 SC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 240 167.64 22.97 1,223.59 -
183 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 96.46 11.61 801.60 -
184 ISC20 Johannes Gutenberg University Mainz MOGON II JGU (ADA-FS)& BSC (NEXTGenIO) GekkoFS 10 160 92.91 10.96 787.71 -
185 ISC18 Joint Institute for Nuclear Research Govorun RSC Lustre 24 192 12.08 3.34 43.65 -
186 ISC21 Joint Institute of Nuclear Research Govorun RSC DAOS 10 160 132.07 20.19 863.69 -
187 SC20 Joint Supercomputer Center of the Russian Academy of Sciences MVS10POP2 RSC Group Lustre 54 864 125.50 45.31 347.61 -
188 ISC18 KAUST ShaheenII Cray DataWarp 1,024 8,192 77.37 496.81 12.05 -
189 ISC18 KAUST ShaheenII Cray DataWarp 300 2,400 70.90 151.53 33.17 -
190 ISC18 KAUST ShaheenII Cray Lustre 1,000 16,000 41.00 54.17 31.03 -
191 SC18 KAUST Shaheen II Cray DataWarp 10 80 13.99 14.45 13.53 -
192 ISC20 Korea Institute of Science and Technology Information (KISTI) NURION DDN IME 2,048 2,048 282.45 515.59 154.74 -
193 SC18 Korea Institute of Science and Technology Information (KISTI) NURION DDN IME 2,048 4,096 156.91 554.23 44.43 -
194 SC18 Korea Institute of Science and Technology Information (KISTI) NURION DDN IME 2,048 4,096 35.97 14.06 92.03 -
195 ISC20 LNCC SDumont Cay/HPE Lustre 10 240 3.06 2.32 4.02 -
196 ISC23 LRZ SuperMUC-NG-Phase2 Lenovo DAOS 24 2,688 2,111.06 433.05 10,291.12
197 ISC23 LRZ SuperMUC-NG-Phase2-10 Lenovo DAOS 10 1,120 1,533.28 266.73 8,813.96
198 ISC23 LRZ SuperMUC-NG-Phase2-EC Lenovo DAOS 24 2,688 1,386.41 336.35 5,714.63
199 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 20 1,280 1,371.30 321.75 5,844.40 -
200 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 10 640 1,034.55 209.48 5,109.23 -