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) | ||||||||||
| 1 | SC19 | Janelia Research Campus, HHMI | sharedscratch | WekaIO | Parallel Filesystem | 10 | 480 | 25.86 | 7.75 | 86.29 | - |
| 2 | SC19 | Janelia Research Campus, HHMI | sharedscratch | WekaIO | Parallel Filesystem | 10 | 480 | 25.46 | 7.65 | 84.69 | - |
| 3 | SC19 | Janelia Research Campus, HHMI | sharedscratch | WekaIO | Parallel Filesystem | 10 | 480 | 18.07 | 7.75 | 42.12 | - |
| 4 | ISC19 | Janelia Research Campus, HHMI | qflash | Qumulo | Scale out NFS | 96 | 960 | 5.32 | 2.80 | 10.11 | - |
| 5 | ISC19 | Janelia Research Campus, HHMI | qflash | Qumulo | Scale out NFS | 10 | 120 | 4.46 | 2.12 | 9.35 | - |
| 6 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 32 | 32 | 22.02 | 8.55 | 56.68 | - |
| 7 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 16 | 16 | 16.22 | 7.33 | 35.88 | - |
| 8 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 16 | 32 | 13.12 | 3.17 | 54.21 | - |
| 9 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 16 | 64 | 12.51 | 2.10 | 74.72 | - |
| 10 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 16 | 128 | 11.01 | 1.90 | 63.81 | - |
| 11 | SC18 | Clemson University | ofsdev | Dell | BeeGFS | 10 | 80 | 10.17 | 2.32 | 44.67 | - |
| 12 | SC18 | Clemson University | ofsdev | Dell | Lustre | 16 | 64 | 8.63 | 2.10 | 35.37 | - |
| 13 | SC18 | Clemson University | ofsdev | Dell | Lustre | 16 | 128 | 8.58 | 2.05 | 35.83 | - |
| 14 | SC18 | Clemson University | ofsdev | Dell | Lustre | 10 | 40 | 7.36 | 1.90 | 28.59 | - |
| 15 | SC18 | Clemson University | ofsdev | Dell | Lustre | 16 | 32 | 6.07 | 1.34 | 27.56 | - |
| 16 | SC18 | Clemson University | ofsdev | Dell | Lustre | 16 | 16 | 4.88 | 1.31 | 18.17 | - |
| 17 | ISC19 | Janelia Research Campus, HHMI | nrs | Qumulo | Scale out NFS | 10 | 320 | 5.95 | 2.59 | 13.69 | - |
| 18 | SC19 | Janelia Research Campus, HHMI | nrs | Qumulo | Scale-out NAS | 10 | 760 | 4.19 | 2.88 | 6.11 | - |
| 19 | SC19 | Janelia Research Campus, HHMI | nearline4 | Qumulo | Scale-out NAS | 10 | 760 | 3.67 | 2.45 | 5.49 | - |
| 20 | SC18 | Nemours | nas6 | DDN | GPFS | 1 | 2 | 2.06 | 1.39 | 3.04 | - |
| 21 | SC18 | Nemours | nas6 | DDN | GPFS | 1 | 2 | 1.52 | 0.74 | 3.11 | - |
| 22 | SC19 | iFLYTEK | iFLYTEK | Yanrong | YRCloudFile | 10 | 200 | 78.54 | 13.55 | 455.18 | - |
| 23 | SC19 | iFLYTEK | iFLYTEK | Yanrong | YRCloudFile | 10 | 200 | 63.98 | 11.41 | 358.87 | - |
| 24 | SC20 | NASA | hyperwall4 | Intel. SK-Hynx | SSD | 128 | 1,024 | 75.75 | 122.24 | 46.94 | - |
| 25 | ISC19 | Janelia Research Campus, HHMI | dm11 | Scale-out NAS | 96 | 960 | 12.45 | 3.22 | 48.16 | - | |
| 26 | ISC19 | Janelia Research Campus, HHMI | dm11 | Scale-out NAS | 10 | 320 | 9.22 | 2.38 | 35.64 | - | |
| 27 | SC19 | Janelia Research Campus, HHMI | dm11 | #N/A | Scale-out NAS | 10 | 760 | 6.42 | 2.61 | 15.82 | - |
| 28 | SC19 | CSIRO | bracewell scratch2 | Dell/ThinkParQ | beegfs | 26 | 260 | 94.86 | 69.10 | 130.23 | - |
| 29 | ISC20 | CSIRO | bracewell | Dell/DDN | Lustre | 10 | 400 | 99.64 | 39.90 | 248.81 | - |
| 30 | ISC20 | CSIRO | bracewell | Dell/DDN | Lustre | 10 | 400 | 97.67 | 39.87 | 239.26 | - |
| 31 | ISC19 | CSIRO | bracewell | Dell/ThinkParQ | BeeGFS | 26 | 260 | 88.26 | 67.44 | 115.50 | - |
| 32 | SC19 | CSIRO | bracewell | Dell/ThinkParQ | beegfs | 10 | 160 | 66.80 | 33.77 | 132.15 | - |
| 33 | ISC19 | CSIRO | bracewell | Dell/ThinkParQ | BeeGFS | 10 | 160 | 63.46 | 34.85 | 115.56 | - |
| 34 | ISC19 | CSIRO | bracewell | Dell/ThinkParQ | BeeGFS | 16 | 64 | 26.44 | 7.11 | 98.26 | - |
| 35 | ISC19 | Yanrong | YRCloudFile | Yanrong | YRCloudFile | 10 | 160 | 19.14 | 4.22 | 86.86 | - |
| 36 | ISC23 | XF_Lab | XF_computer | XF_Stor | XF_Stor | 2 | 128 | 0.58 | 0.33 | 1.03 | |
| 37 | ISC22 | Wu Dong Laboratory | Wu Dong Compute Cluster | Wu Dong Laboratory | OPENFS | 10 | 640 | 218.81 | 43.86 | 1,091.49 | - |
| 38 | ISC20 | Intel | Wolf | Intel | DAOS | 52 | 1,664 | 1,792.98 | 371.67 | 8,649.57 | - |
| 39 | ISC20 | Intel | Wolf | Intel | DAOS | 52 | 1,664 | 1,614.02 | 368.44 | 7,070.51 | - |
| 40 | SC19 | Intel | Wolf | Intel | DAOS | 26 | 728 | 933.64 | 183.36 | 4,753.79 | - |
| 41 | ISC20 | Intel | Wolf | Intel | DAOS | 10 | 420 | 758.71 | 164.77 | 3,493.56 | - |
| 42 | ISC20 | Intel | Wolf | Intel | DAOS | 10 | 420 | 736.33 | 163.19 | 3,322.40 | - |
| 43 | SC19 | Intel | Wolf | Intel | DAOS | 10 | 310 | 516.41 | 123.89 | 2,152.46 | - |
| 44 | SC19 | WekaIO | WekaIO on AWS | WekaIO | WekaIO Matrix | 345 | 8,625 | 938.95 | 174.74 | 5,045.33 | - |
| 45 | SC19 | WekaIO | WekaIO | WekaIO | WekaIO Matrix | 10 | 2,610 | 156.51 | 56.22 | 435.76 | - |
| 46 | SC18 | WekaIO | WekaIO | WekaIO | 17 | 935 | 78.37 | 37.39 | 164.26 | - | |
| 47 | SC20 | Raytheon | WekaIO | Penguin Computing | wekafs | 42 | 1,596 | 50.58 | 16.39 | 156.10 | - |
| 48 | SC20 | Raytheon | WekaIO | Penguin Computing | wekafs | 10 | 440 | 32.20 | 14.83 | 69.88 | - |
| 49 | ISC19 | Janelia Research Campus, HHMI | Weka | WekaIO | 10 | 3,200 | 66.43 | 27.74 | 159.12 | - | |
| 50 | ISC21 | National Supercomputer Center in GuangZhou | Venus2 | National Supercomputer Center in GuangZhou | kapok | 18 | 720 | 577.93 | 104.52 | 3,195.53 | - |
| 51 | ISC20 | National Supercomputer Center in Guangzhou | Venus2 | National Supercomputer Center in Guangzhou | kapok | 10 | 260 | 148.08 | 30.62 | 716.11 | - |
| 52 | ISC20 | National Supercomputer Center in Guangzhou | Venus2 | National Supercomputer Center in Guangzhou | kapok | 10 | 260 | 146.42 | 28.99 | 739.49 | - |
| 53 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 6.20 | 3.51 | 10.95 | - |
| 54 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 5.68 | 3.67 | 8.80 | - |
| 55 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 4.98 | 3.56 | 6.96 | - |
| 56 | ISC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 96 | 3,072 | 17.18 | 8.15 | 36.22 | - |
| 57 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 88 | 2,816 | 12.50 | 8.31 | 18.79 | - |
| 58 | ISC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 480 | 11.96 | 5.64 | 25.37 | - |
| 59 | SC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 260 | 10.64 | 7.44 | 15.22 | - |
| 60 | ISC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 620 | 9.87 | 6.36 | 15.32 | - |
| 61 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 480 | 8.45 | 6.16 | 11.60 | - |
| 62 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 820 | 8.01 | 6.31 | 10.17 | - |
| 63 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 480 | 7.77 | 5.39 | 11.18 | - |
| 64 | ISC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 620 | 7.27 | 5.96 | 8.86 | - |
| 65 | SC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | SUSE Enterprise Storage - CephFS | 15 | 120 | 14.91 | 5.74 | 38.72 | - |
| 66 | SC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | SUSE Enterprise Storage - CephFS | 10 | 80 | 12.43 | 4.64 | 33.34 | - |
| 67 | ISC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | CephFS | 14 | 98 | 8.38 | 3.58 | 19.60 | - |
| 68 | ISC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | SUSE Enterprise Storage | 10 | 70 | 7.32 | 2.48 | 21.60 | - |
| 69 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 480 | 5,280 | 453.68 | 209.43 | 982.78 | - |
| 70 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 10 | 160 | 52.58 | 35.06 | 78.86 | - |
| 71 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 10 | 160 | 50.08 | 32.71 | 76.67 | - |
| 72 | SC20 | University of Reading | ThunderX2 | Local file system | 1 | 16 | 6.23 | 0.37 | 104.54 | - | |
| 73 | SC19 | CEA | Tera-1000 | DDN | Lustre | 128 | 4,096 | 210.26 | 81.01 | 545.74 | - |
| 74 | SC19 | State Key Laboratory of High-end Server & Storage Technology (HSS) | TStor3000 | INSPUR | BeeGFS | 10 | 300 | 82.57 | 41.14 | 165.71 | - |
| 75 | ISC19 | Inspur | TStor3000 | Inspur | BeeGFS | 10 | 400 | 14.67 | 4.48 | 48.06 | - |
| 76 | SC22 | Telecommunications Technology Association | Supermicro A+ Big Twin | GLUESYS | Lustre | 4 | 96 | 27.43 | 8.59 | 87.53 | - |
| 77 | SC22 | Tsinghua Storage Research Group | SuperStore | Tsinghua Storage Research Group | SuperFS | 10 | 1,200 | 5,517.73 | 179.60 | 169,515.95 | - |
| 78 | ISC23 | LRZ | SuperMUC-NG-Phase2-EC-10 | Lenovo | DAOS | 10 | 1,120 | 1,008.81 | 218.38 | 4,660.23 | |
| 79 | ISC23 | LRZ | SuperMUC-NG-Phase2-EC | Lenovo | DAOS | 24 | 2,688 | 1,386.41 | 336.35 | 5,714.63 | |
| 80 | ISC23 | LRZ | SuperMUC-NG-Phase2-10 | Lenovo | DAOS | 10 | 1,120 | 1,533.28 | 266.73 | 8,813.96 | |
| 81 | ISC23 | LRZ | SuperMUC-NG-Phase2 | Lenovo | DAOS | 24 | 2,688 | 2,111.06 | 433.05 | 10,291.12 | |
| 82 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 20 | 1,280 | 1,371.30 | 321.75 | 5,844.40 | - |
| 83 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 10 | 640 | 1,034.55 | 209.48 | 5,109.23 | - |
| 84 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 20 | 1,280 | 800.77 | 241.02 | 2,660.54 | - |
| 85 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 10 | 640 | 665.68 | 175.55 | 2,524.27 | - |
| 86 | SC18 | Oak Ridge National Laboratory | Summit | IBM | Spectrum Scale | 504 | 1,008 | 330.56 | 88.20 | 1,238.93 | - |
| 87 | SC18 | Oak Ridge National Laboratory | Summit | IBM | Spectrum Scale | 10 | 160 | 44.30 | 9.84 | 199.48 | - |
| 88 | SC22 | SuPro Storteck | StarStor | SuPro Storteck | StarStor | 10 | 2,560 | 6,751.75 | 515.15 | 88,491.65 | - |
| 89 | ISC20 | Oracle Cloud Infrastructure | SpectrumScale on Oracle Cloud | Oracle Cloud Infrastructure | Spectrum Scale | 48 | 768 | 70.91 | 34.91 | 144.06 | - |
| 90 | ISC20 | Oracle Cloud Infrastructure | SpectrumScale on Oracle Cloud | Oracle Cloud Infrastructure | Spectrum Scale | 48 | 768 | 66.69 | 31.78 | 139.96 | - |
| 91 | ISC18 | IBM | Sonasad | IBM | Spectrum Scale | 10 | 10 | 24.24 | 4.57 | 128.61 | - |
| 92 | ISC23 | Arizona State University | Sol | Dell | BeeGFS | 10 | 160 | 16.48 | 4.40 | 61.76 | |
| 93 | SC19 | Stanford | Sherlock/Regal | Dell | Lustre | 10 | 160 | 7.05 | 1.64 | 30.28 | - |
| 94 | SC19 | Stanford | Sherlock/Oak | Dell, QCT, HGST | Lustre | 10 | 240 | 9.31 | 1.89 | 45.87 | - |
| 95 | SC19 | Stanford | Sherlock/Fir | Dell, QCT, HGST | Lustre | 10 | 240 | 18.25 | 5.23 | 63.74 | - |
| 96 | SC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 48 | 1,248 | 134.09 | 48.03 | 374.40 | - |
| 97 | SC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 40 | 1,040 | 123.47 | 43.63 | 349.44 | - |
| 98 | SC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 320 | 57.99 | 20.80 | 161.71 | - |
| 99 | SC19 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | wekaio | 18 | 1,368 | 48.75 | 26.22 | 90.62 | - |
| 100 | SC19 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 1,440 | 36.55 | 18.58 | 71.90 | - |