Submit your IO500 results for the upcoming ISC'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)
1 ISC21 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng MadFS 512 36,864 36,850.40 3,421.62 396,872.82 -
2 ISC23 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory and Tsinghua University SuperFS 300 36,000 210,254.98 4,847.48 9,119,612.35
3 SC22 Argonne National Laboratory Aurora Storage Intel DAOS 260 27,040 20,694.50 6,048.69 70,802.51 -
4 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory MadFS 256 18,432 6,831.55 1,524.11 30,621.10 -
5 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory MadFS 255 18,360 7,043.99 1,475.75 33,622.19 -
6 ISC20 JCAHPC Oakforest-PACS DDN IME 2,048 16,384 168.09 581.43 48.60 -
7 ISC23 EuroHPC-CINECA Leonardo DDN EXAScaler 2,000 16,000 648.96 807.12 521.79
8 ISC21 LuxProvide MeluXina DDN Lustre 512 12,288 194.12 112.06 336.25 -
9 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
10 SC19 WekaIO WekaIO on AWS WekaIO WekaIO Matrix 345 8,625 938.95 174.74 5,045.33 -
11 ISC22 Oracle Cloud Infrastructure Oracle Cloud with WEKA on RDMA WekaIO WEKA 373 7,460 625.95 233.17 1,680.38 -
12 ISC22 Oracle Cloud Infrastructure Oracle Cloud running WEKA on non RDMA netwok WekaIO WEKA 151 6,040 323.52 97.61 1,072.32 -
13 SC19 National Supercomputing Center in Changsha Tianhe-2E National University of Defense Technology Lustre 480 5,280 453.68 209.43 982.78 -
14 ISC21 Google Cloud Google DDN Lustre 1,000 5,000 569.99 282.78 1,148.90 -
15 ISC21 University of Florida HiPerGator DDN Lustre 140 4,480 269.59 181.37 400.73 -
16 SC20 JCAHPC Oakforest-PACS DDN IME 2,048 4,096 253.57 697.20 92.22 -
17 SC19 CEA Tera-1000 DDN Lustre 128 4,096 210.26 81.01 545.74 -
18 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 175.85 348.95 88.62 -
19 ISC20 JCAHPC Oakforest-PACS DDN IME 512 4,096 146.33 341.29 62.74 -
20 SC20 EPCC NextGENIO BSC & JGU GekkoFS 10 3,800 239.37 45.79 1,251.32 -
21 ISC21 Lenovo Lenovo-Lenox Lenovo DAOS 36 3,456 988.99 176.37 5,545.61 -
22 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 270 3,240 267.25 293.05 243.73 -
23 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 270 3,240 104.30 47.44 229.33 -
24 SC21 HHMIJRC Janelia Compute Cluster Vast Data Vast 80 2,880 21.72 14.11 33.42 -
25 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 88 2,816 12.50 8.31 18.79 -
26 ISC23 LRZ SuperMUC-NG-Phase2 Lenovo DAOS 24 2,688 2,111.06 433.05 10,291.12
27 ISC23 LRZ SuperMUC-NG-Phase2-EC Lenovo DAOS 24 2,688 1,386.41 336.35 5,714.63
28 SC19 WekaIO WekaIO WekaIO WekaIO Matrix 10 2,610 156.51 56.22 435.76 -
29 SC22 Sugon Cloud Storage Laboratory ParaStor Sugon ParaStor 10 2,560 8,726.42 718.11 106,042.93 -
30 SC22 SuPro Storteck StarStor SuPro Storteck StarStor 10 2,560 6,751.75 515.15 88,491.65 -
31 ISC22 National Supercomputing Center in Jinan Shanhe PDSL flashfs 10 2,560 3,534.42 207.79 60,119.50 -
32 ISC20 Korea Institute of Science and Technology Information (KISTI) NURION DDN IME 2,048 2,048 282.45 515.59 154.74 -
33 SC19 University of Cambridge Data Accelerator Dell EMC Lustre 128 2,048 229.45 131.25 401.13 -
34 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 170 2,040 191.10 175.24 208.39 -
35 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud Oracle Cloud Infrastructure BeeGFS 170 2,040 91.48 42.65 196.20 -
36 ISC22 University of Cambridge Cumulus Dell/Intel DAOS 200 2,000 1,107.17 283.19 4,328.68 -
37 ISC22 University of Cambridge Cumulus Dell/Intel DAOS 10 2,000 963.00 216.78 4,277.86 -
38 ISC22 University of Cambridge Cumulus Dell Lustre 200 2,000 261.39 92.64 737.54 -
39 SC22 Cloudam HPC on OCI HPC-OCI Cloudam BurstFS 64 1,920 3,033.03 278.48 33,033.54 -
40 SC21 Huawei HPDA Lab Athena Huawei OceanFS 10 1,720 2,395.03 314.56 18,235.71 -
41 SC21 Olympus Lab OceanStor Pacific Huawei OceanFS 10 1,720 2,298.69 317.07 16,664.88 -
42 ISC20 Intel Wolf Intel DAOS 52 1,664 1,792.98 371.67 8,649.57 -
43 ISC20 Intel Wolf Intel DAOS 52 1,664 1,614.02 368.44 7,070.51 -
44 SC19 Google Cloud EXA5-GCP-PD-SSD Google Cloud Lustre 200 1,600 67.78 26.93 170.61 -
45 SC19 Google Cloud EXA5-GCP-PD-STD Google Cloud Lustre 200 1,600 52.96 17.31 162.06 -
46 SC20 Raytheon WekaIO Penguin Computing wekafs 42 1,596 50.58 16.39 156.10 -
47 SC21 Raytheon MCK-HPC Penguin Computing WekaFS 44 1,584 86.24 27.64 269.10 -
48 SC21 Huawei Cloud PDSL Flashfs 15 1,560 2,016.70 109.82 37,034.00 -
49 ISC21 Intel Endeavour Intel DAOS 10 1,440 1,859.56 398.77 8,671.65 -
50 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory MadFS 10 1,440 1,129.75 168.43 7,578.06 -
51 ISC20 TACC Frontera Intel DAOS 60 1,440 763.80 78.31 7,449.56 -
52 ISC20 TACC Frontera Intel DAOS 60 1,440 756.01 75.40 7,580.23 -
53 ISC22 Lenovo Lenovo-Lenox3 Lenovo DAOS 20 1,440 624.59 145.12 2,688.20 -
54 ISC22 Lenovo Lenovo-Lenox3 Lenovo DAOS 20 1,440 372.26 109.76 1,262.54 -
55 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 10 1,440 36.55 18.58 71.90 -
56 SC19 Janelia Research Campus, HHMI SharedScratch WekaIO wekaio 18 1,368 48.75 26.22 90.62 -
57 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 20 1,280 1,371.30 321.75 5,844.40 -
58 SC22 Meadowgate Technologies Meadowgate INTEL HPE DAOS 10 1,280 1,014.24 213.15 4,826.12 -
59 SC22 Meadowgate Technologies Meadowgate INTEL HPE DAOS 10 1,280 1,000.34 209.21 4,783.11 -
60 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 20 1,280 800.77 241.02 2,660.54 -
61 ISC22 University of Cambridge Cumulus Dell Lustre 10 1,280 316.73 119.92 836.54 -
62 ISC23 DDN AI400X2-II DDN EXAScaler 10 1,280 240.85 51.46 1,127.22
63 ISC20 DDN AI400X DDN Lustre 40 1,280 137.03 46.84 400.84 -
64 ISC20 DDN AI400X DDN Lustre 40 1,280 127.29 40.72 397.91 -
65 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 48 1,248 134.09 48.03 374.40 -
66 ISC23 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory and Tsinghua University SuperFS 10 1,200 11,516.36 263.97 502,435.85
67 SC22 Tsinghua Storage Research Group SuperStore Tsinghua Storage Research Group SuperFS 10 1,200 5,517.73 179.60 169,515.95 -
68 ISC23 LRZ SuperMUC-NG-Phase2-10 Lenovo DAOS 10 1,120 1,533.28 266.73 8,813.96
69 ISC23 LRZ SuperMUC-NG-Phase2-EC-10 Lenovo DAOS 10 1,120 1,008.81 218.38 4,660.23
70 ISC21 Supermicro Supermicro DAOS 10 1,120 415.04 112.17 1,535.63 -
71 ISC23 Intel Florence Intel DAOS 10 1,120 211.34 31.00 1,440.73
72 ISC23 Intel Borealis Intel DAOS 10 1,040 431.43 125.21 1,486.53
73 SC20 Janelia Research Campus, HHMI SharedScratch WekaIO Parallel Filesystem 40 1,040 123.47 43.63 349.44 -
74 SC20 NASA hyperwall4 Intel. SK-Hynx SSD 128 1,024 75.75 122.24 46.94 -
75 ISC21 Olympus Storage Technology Innovation Lab OceanStor Huawei OceanFS 10 960 220.10 69.49 697.15 -
76 ISC20 SPbPU Polytechnic RSC Tornado RSC Group Lustre 59 944 64.29 21.56 191.73 -
77 ISC20 SPbPU Polytechnic RSC Tornado RSC Group Lustre 59 944 64.11 21.00 195.66 -
78 SC20 Joint Supercomputer Center of the Russian Academy of Sciences MVS10POP2 RSC Group Lustre 54 864 125.50 45.31 347.61 -
79 SC19 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 820 8.01 6.31 10.17 -
80 SC21 BPFS Lab Kongming BPFS 10 800 972.60 96.26 9,827.09 -
81 ISC20 JINR Govorun RSC Group Lustre 50 800 90.87 35.61 231.88 -
82 ISC20 JINR Govorun RSC Group Lustre 50 800 88.51 36.28 215.97 -
83 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Oracle Cloud Infrastructure Spectrum Scale 48 768 70.91 34.91 144.06 -
84 ISC20 Oracle Cloud Infrastructure SpectrumScale on Oracle Cloud Oracle Cloud Infrastructure Spectrum Scale 48 768 66.69 31.78 139.96 -
85 SC19 Janelia Research Campus, HHMI dm11 #N/A Scale-out NAS 10 760 6.42 2.61 15.82 -
86 SC19 Janelia Research Campus, HHMI nrs Qumulo Scale-out NAS 10 760 4.19 2.88 6.11 -
87 SC19 Janelia Research Campus, HHMI nearline4 Qumulo Scale-out NAS 10 760 3.67 2.45 5.49 -
88 SC19 Intel Wolf Intel DAOS 26 728 933.64 183.36 4,753.79 -
89 SC22 Cloudam HPC on OCI HPC-OCI Cloudam BurstFS 10 720 1,285.21 95.90 17,224.05 -
90 ISC21 National Supercomputer Center in GuangZhou Venus2 National Supercomputer Center in GuangZhou kapok 18 720 577.93 104.52 3,195.53 -
91 ISC22 Lenovo Lenovo-Lenox3 Lenovo DAOS 10 720 544.18 115.94 2,554.14 -
92 ISC22 Lenovo Lenovo-Lenox3 Lenovo DAOS 10 720 325.23 88.23 1,198.85 -
93 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 10 640 1,034.55 209.48 5,109.23 -
94 ISC22 LRZ SuperMUC-NG Phase2 Lenovo DAOS 10 640 665.68 175.55 2,524.27 -
95 SC20 Intel Endeavour Intel DAOS 10 640 353.72 43.59 2,870.64 -
96 ISC22 Wu Dong Laboratory Wu Dong Compute Cluster Wu Dong Laboratory OPENFS 10 640 218.81 43.86 1,091.49 -
97 SC21 CQ Narval Dell Lustre 640 640 68.31 32.74 142.53 -
98 SC19 Nanyang Technological University Hadley DDN GPFS 10 640 12.89 7.47 22.24 -
99 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 9.87 6.36 15.32 -
100 ISC20 Janelia Research Campus, HHMI Vast Vast Data Scale-out NAS 10 620 7.27 5.96 8.86 -