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

Full ISC25 List

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Subset of the Historic list of submissions that satisfy the existing IO500 submission guidelines
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
1 ISC23 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 SuperFS Pengcheng Laboratory and Tsinghua University 300 36,000 210,255.00 4,847.48 9,119,612.35
2 ISC23 JNIST and HUST PDSL Cheeloo-1 with OceanStor Pacific OceanFS2 Huawei 10 9,600 137,100.00 2,439.37 7,705,448.04
3 SC23 Argonne National Laboratory Aurora DAOS Intel 300 31,200 43,218.80 11,362.27 164,391.73
4 ISC21 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 MadFS Pengcheng 512 36,864 36,850.40 3,421.62 396,872.82 -
5 SC23 Argonne National Laboratory Aurora DAOS Intel 300 62,400 32,165.90 10,066.09 102,785.41
6 SC22 Argonne National Laboratory Aurora Storage DAOS Intel 260 27,040 20,694.50 6,048.69 70,802.51 -
7 ISC23 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 SuperFS Pengcheng Laboratory and Tsinghua University 10 1,200 11,516.40 263.97 502,435.85
8 SC22 Sugon Cloud Storage Laboratory ParaStor ParaStor Sugon 10 2,560 8,726.42 718.11 106,042.93 -
9 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 MadFS Pengcheng Laboratory 255 18,360 7,043.99 1,475.75 33,622.19 -
10 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 MadFS Pengcheng Laboratory 256 18,432 6,831.55 1,524.11 30,621.10 -
11 SC22 SuPro Storteck StarStor StarStor SuPro Storteck 10 2,560 6,751.75 515.15 88,491.65 -
12 SC22 Tsinghua Storage Research Group SuperStore SuperFS Tsinghua Storage Research Group 10 1,200 5,517.73 179.60 169,515.95 -
13 SC23 LRZ SuperMUC-NG-Phase2 DAOS Lenovo 90 6,480 4,585.68 1,054.72 19,937.45
14 SC23 Argonne National Laboratory Aurora DAOS Intel 10 2,080 3,748.85 934.00 15,046.98
15 ISC22 National Supercomputing Center in Jinan Shanhe flashfs PDSL 10 2,560 3,534.42 207.79 60,119.50 -
16 SC22 Cloudam HPC on OCI HPC-OCI BurstFS Cloudam 64 1,920 3,033.03 278.48 33,033.54 -
17 SC23 Argonne National Laboratory Aurora DAOS Intel 10 2,080 2,885.57 734.50 11,336.27
18 SC23 LRZ SuperMUC-NG-Phase2-EC DAOS Lenovo 90 6,480 2,508.85 742.90 8,472.60
19 SC21 Huawei HPDA Lab Athena OceanFS Huawei 10 1,720 2,395.03 314.56 18,235.71 -
20 SC21 Olympus Lab OceanStor Pacific OceanFS Huawei 10 1,720 2,298.69 317.07 16,664.88 -
21 ISC23 LRZ SuperMUC-NG-Phase2 DAOS Lenovo 24 2,688 2,111.06 433.05 10,291.12
22 SC21 Huawei Cloud Flashfs PDSL 15 1,560 2,016.70 109.82 37,034.00 -
23 ISC21 Intel Endeavour DAOS Intel 10 1,440 1,859.56 398.77 8,671.65 -
24 ISC20 Intel Wolf DAOS Intel 52 1,664 1,792.98 371.67 8,649.57 -
25 ISC20 Intel Wolf DAOS Intel 52 1,664 1,614.02 368.44 7,070.51 -
26 ISC23 LRZ SuperMUC-NG-Phase2-10 DAOS Lenovo 10 1,120 1,533.28 266.73 8,813.96
27 ISC23 LRZ SuperMUC-NG-Phase2-EC DAOS Lenovo 24 2,688 1,386.41 336.35 5,714.63
28 ISC22 LRZ SuperMUC-NG Phase2 DAOS Lenovo 20 1,280 1,371.30 321.75 5,844.40 -
29 ISC24 Institute of Computing Technology Chinese Academy of Sciences and National Supercomputing Center in Zhengzhou Songshan HiStore Institute of Computing Technology Chinese Academy of Sciences 10 320 1,349.22 43.78 41,580.79
30 SC22 Cloudam HPC on OCI HPC-OCI BurstFS Cloudam 10 720 1,285.21 95.90 17,224.05 -
31 SC20 Pengcheng Laboratory Pengcheng Cloudbrain-II on Atlas 900 MadFS Pengcheng Laboratory 10 1,440 1,129.75 168.43 7,578.06 -
32 ISC22 University of Cambridge Cumulus DAOS Dell/Intel 200 2,000 1,107.17 283.19 4,328.68 -
33 ISC22 LRZ SuperMUC-NG Phase2 DAOS Lenovo 10 640 1,034.55 209.48 5,109.23 -
34 SC22 Meadowgate Technologies Meadowgate DAOS INTEL HPE 10 1,280 1,014.24 213.15 4,826.12 -
35 ISC23 LRZ SuperMUC-NG-Phase2-EC-10 DAOS Lenovo 10 1,120 1,008.81 218.38 4,660.23
36 SC22 Meadowgate Technologies Meadowgate DAOS INTEL HPE 10 1,280 1,000.34 209.21 4,783.11 -
37 ISC21 Lenovo Lenovo-Lenox DAOS Lenovo 36 3,456 988.99 176.37 5,545.61 -
38 SC21 BPFS Lab Kongming BPFS 10 800 972.60 96.26 9,827.09 -
39 ISC22 University of Cambridge Cumulus DAOS Dell/Intel 10 2,000 963.00 216.78 4,277.86 -
40 SC19 WekaIO WekaIO on AWS WekaIO Matrix WekaIO 345 8,625 938.95 174.74 5,045.33 -
41 SC19 Intel Wolf DAOS Intel 26 728 933.64 183.36 4,753.79 -
42 ISC25 Erlangen National High Performance Computing Center Helma Lustre MEGWARE 186 18,600 838.99 438.62 1,604.84
43 ISC25 Samsung Electronics SSC-24 WekaIO WekaIO 291 16,005 826.86 248.67 2,749.41
44 ISC22 LRZ SuperMUC-NG Phase2 DAOS Lenovo 20 1,280 800.77 241.02 2,660.54 -
45 SC23 King Abdullah University of Science and Technology Shaheen III Lustre HPE 2,080 16,640 797.04 709.52 895.35
46 ISC20 TACC Frontera DAOS Intel 60 1,440 763.80 78.31 7,449.56 -
47 ISC20 Intel Wolf DAOS Intel 10 420 758.71 164.77 3,493.56 -
48 ISC20 TACC Frontera DAOS Intel 60 1,440 756.01 75.40 7,580.23 -
49 ISC20 Intel Wolf DAOS Intel 10 420 736.33 163.19 3,322.40 -
50 ISC22 LRZ SuperMUC-NG Phase2 DAOS Lenovo 10 640 665.68 175.55 2,524.27 -
51 SC24 MSKCC IRIS WekaIO WekaIO 261 27,144 665.49 252.54 1,753.69
52 ISC23 EuroHPC-CINECA Leonardo EXAScaler DDN 2,000 16,000 648.96 807.12 521.79
53 ISC22 Oracle Cloud Infrastructure Oracle Cloud with WEKA on RDMA WEKA WekaIO 373 7,460 625.95 233.17 1,680.38 -
54 ISC22 Lenovo Lenovo-Lenox3 DAOS Lenovo 20 1,440 624.59 145.12 2,688.20 -
55 SC23 IBM Cloud HPC BlueStorm IBM Storage Scale IBM 199 1,990 618.92 440.99 868.63
56 ISC21 National Supercomputer Center in GuangZhou Venus2 kapok National Supercomputer Center in GuangZhou 18 720 577.93 104.52 3,195.53 -
57 ISC21 Google Cloud Google Lustre DDN 1,000 5,000 569.99 282.78 1,148.90 -
58 ISC22 Lenovo Lenovo-Lenox3 DAOS Lenovo 10 720 544.18 115.94 2,554.14 -
59 ISC20 Argonne National Laboratory Presque DAOS Argonne National Laboratory 16 544 537.31 108.19 2,668.57 -
60 SC19 Intel Wolf DAOS Intel 10 310 516.41 123.89 2,152.46 -
61 SC21 National Research Center of Tranlational Medicine at Shanghai Ruijin Hospital ASTRA DAOS NRCTM 10 360 511.02 87.50 2,984.61 -
62 ISC20 TACC Frontera DAOS Intel 10 420 508.88 79.16 3,271.49 -
63 ISC20 TACC Frontera DAOS Intel 10 420 507.13 78.47 3,277.36 -
64 SC24 SoftBank Corp CHIE-3 EXAScaler DDN 240 26,880 500.20 331.66 754.41
65 SC24 SoftBank Corp CHIE-2 EXAScaler DDN 240 26,880 495.36 351.90 697.30
66 ISC23 University of Tsukuba Pegasus CHFS OSS 10 480 484.41 98.24 2,388.60
67 ISC20 Argonne National Laboratory Presque DAOS Argonne National Laboratory 16 544 483.52 102.54 2,280.05 -
68 SC19 National Supercomputing Center in Changsha Tianhe-2E Lustre National University of Defense Technology 480 5,280 453.68 209.43 982.78 -
69 ISC20 Argonne National Laboratory Presque DAOS Argonne National Laboratory 10 380 440.64 95.80 2,026.80 -
70 ISC25 UW-Madison NetLab Research Group MadRacks Testbed GluonFS NetLab 10 620 433.04 73.48 2,551.88
71 ISC23 Intel Borealis DAOS Intel 10 1,040 431.43 125.21 1,486.53
72 SC21 QCT DevCloud QCT DevCloud DAOS QCT 10 560 427.27 102.85 1,774.97 -
73 ISC21 Supermicro DAOS Supermicro 10 1,120 415.04 112.17 1,535.63 -
74 ISC20 Argonne National Laboratory Presque DAOS Argonne National Laboratory 10 380 398.25 89.36 1,774.79 -
75 ISC23 DSAL HPStore HPFS SITONHOLY 10 420 392.14 38.95 3,948.47
76 ISC25 Joint Center for Advanced High Performance Computing Miyabi-G Lustre DDN 200 1,600 391.60 319.00 480.72
77 ISC22 Lenovo Lenovo-Lenox3 DAOS Lenovo 20 1,440 372.26 109.76 1,262.54 -
78 SC24 Danish Centre for AI innovation AS GEFION EXAScaler DDN 128 12,288 368.56 209.06 649.73
79 SC20 Intel Endeavour DAOS Intel 10 640 353.72 43.59 2,870.64 -
80 ISC25 Hudson River Trading HRT EXAScaler DDN 10 1,600 348.08 136.05 890.51
81 ISC22 Lenovo Lenovo-Lenox3 DAOS Lenovo 10 720 325.23 88.23 1,198.85 -
82 ISC24 Zuse Institute Berlin Lise DAOS Megware 10 960 324.54 65.01 1,620.13
83 ISC22 Oracle Cloud Infrastructure Oracle Cloud running WEKA on non RDMA netwok WEKA WekaIO 151 6,040 323.52 97.61 1,072.32 -
84 ISC22 University of Cambridge Cumulus Lustre Dell 10 1,280 316.73 119.92 836.54 -
85 SC24 Danish Centre for AI innovation AS GEFION EXAScaler DDN 10 1,280 314.03 154.70 637.43
86 SC23 Memorial Sloan Kettering Cancer Center IRIS WekaIO WekaIO 36 4,248 308.94 104.79 910.80
87 SC24 SoftBank Corp CHIE-2 EXAScaler DDN 10 1,120 299.32 159.93 560.19
88 SC24 SoftBank Corp CHIE-3 EXAScaler DDN 10 1,120 294.77 157.28 552.42
89 ISC20 Korea Institute of Science and Technology Information (KISTI) NURION IME DDN 2,048 2,048 282.45 515.59 154.74 -
90 ISC24 Johannes Gutenberg University Mainz MOGON-NHR GekkoFS N/A 10 240 281.96 48.21 1,649.25
91 ISC21 University of Florida HiPerGator Lustre DDN 140 4,480 269.59 181.37 400.73 -
92 ISC20 Oracle Cloud Infrastructure BeeGFS on Oracle Cloud BeeGFS Oracle Cloud Infrastructure 270 3,240 267.25 293.05 243.73 -
93 SC24 MEGWARE Lustre + xiRAID Classic Lustre MEGWARE 10 280 262.33 86.15 798.80
94 ISC22 University of Cambridge Cumulus Lustre Dell 200 2,000 261.39 92.64 737.54 -
95 SC20 JCAHPC Oakforest-PACS IME DDN 2,048 4,096 253.57 697.20 92.22 -
96 SC19 NVIDIA DGX-2H SuperPOD Lustre DDN 10 400 249.50 86.97 715.76 -
97 SC24 University of Florida HiPerGator AI EXAScaler DDN 10 640 243.61 124.89 475.20
98 ISC23 DDN AI400X2-II EXAScaler DDN 10 1,280 240.85 51.46 1,127.22
99 SC20 EPCC NextGENIO GekkoFS BSC & JGU 10 3,800 239.37 45.79 1,251.32 -
100 SC19 University of Cambridge Data Accelerator Lustre Dell EMC 128 2,048 229.45 131.25 401.13 -

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% #1 — Pengcheng Cloudbrain-II on Atlas 900 (Pengcheng Laboratory) #2 — Cheeloo-1 with OceanStor Pacific (JNIST and HUST PDSL) #3 — Aurora (Argonne National Laboratory) #4 — Pengcheng Cloudbrain-II on Atlas 900 (Pengcheng Laboratory) #5 — Aurora (Argonne National Laboratory) #6 — Aurora Storage (Argonne National Laboratory) #7 — Pengcheng Cloudbrain-II on Atlas 900 (Pengcheng Laboratory) #8 — ParaStor (Sugon Cloud Storage Laboratory) #9 — Pengcheng Cloudbrain-II on Atlas 900 (Pengcheng Laboratory) #10 — Pengcheng Cloudbrain-II on Atlas 900 (Pengcheng Laboratory)
  • #1 Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory
  • #2 Cheeloo-1 with OceanStor Pacific JNIST and HUST PDSL
  • #3 Aurora Argonne National Laboratory
  • #4 Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory
  • #5 Aurora Argonne National Laboratory
  • #6 Aurora Storage Argonne National Laboratory
  • #7 Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory
  • #8 ParaStor Sugon Cloud Storage Laboratory
  • #9 Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory
  • #10 Pengcheng Cloudbrain-II on Atlas 900 Pengcheng Laboratory