Submit your IO500 results for the upcoming SC'26 list, which will be presented at our BOF. See the Call for Submissions for details.
Full ISC25 List
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 | ISC20 | LNCC | SDumont | Cay/HPE | Lustre | 10 | 240 | 3.06 | 2.32 | 4.02 | - |
| 2 | SC20 | Forschungszentrum Juelich (FZJ) | JUWELS | HPEDDN | IME | 10 | 400 | 29.81 | 178.11 | 4.99 | - |
| 3 | SC19 | Janelia Research Campus, HHMI | nearline4 | Qumulo | Scale-out NAS | 10 | 760 | 3.67 | 2.45 | 5.49 | - |
| 4 | SC19 | Janelia Research Campus, HHMI | nrs | Qumulo | Scale-out NAS | 10 | 760 | 4.19 | 2.88 | 6.11 | - |
| 5 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 4.98 | 3.56 | 6.96 | - |
| 6 | ISC25 | Istituto Nazionale di Fisica Nucleare | Tier1-CNAF | DELL | CephFS | 10 | 160 | 8.13 | 8.28 | 7.98 | |
| 7 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 5.68 | 3.67 | 8.80 | - |
| 8 | ISC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 620 | 7.27 | 5.96 | 8.86 | - |
| 9 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 820 | 8.01 | 6.31 | 10.17 | - |
| 10 | SC20 | The Science and Technology Facilities Council | JASMIN 4 | Quobyte Inc. | Quobyte | 10 | 240 | 11.34 | 12.34 | 10.43 | - |
| 11 | ISC20 | Janelia Research Campus, HHMI | VastTest | Vast Data | Scale-out NAS | 10 | 620 | 6.20 | 3.51 | 10.95 | - |
| 12 | SC23 | Eikon Therapeutics | spt-compute1 | Qumulo | Qumulo Core | 10 | 20 | 5.35 | 2.24 | 12.77 | - |
| 13 | SC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 260 | 10.64 | 7.44 | 15.22 | - |
| 14 | ISC20 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 10 | 620 | 9.87 | 6.36 | 15.32 | - |
| 15 | SC20 | The Science and Technology Facilities Council | JASMIN 4 | Quobyte Inc. | Quobyte | 48 | 336 | 17.55 | 19.76 | 15.60 | - |
| 16 | SC19 | Janelia Research Campus, HHMI | dm11 | #N/A | Scale-out NAS | 10 | 760 | 6.42 | 2.61 | 15.82 | - |
| 17 | SC21 | IBMDL | Sandbox | IBM | SpectrumScale | 10 | 0 | 3.17 | 0.61 | 16.57 | - |
| 18 | ISC20 | German Climate Computing Center | Mistral | Cray | Lustre1 | 10 | 120 | 6.92 | 2.89 | 16.57 | - |
| 19 | SC19 | National Supercomputing Centre, Singapore | Aspire 1 | DDN | IME | 10 | 160 | 43.04 | 101.75 | 18.21 | - |
| 20 | SC19 | Janelia Research Campus, HHMI | Vast | Vast Data | Scale-out NAS | 88 | 2,816 | 12.50 | 8.31 | 18.79 | - |
| 21 | ISC25 | UCloud | UCloud Compute cluster | UCloud | UPFS | 10 | 320 | 15.57 | 12.33 | 19.65 | |
| 22 | ISC25 | UCloud | UCloud Compute cluster | UCloud | UPFS | 10 | 320 | 14.57 | 10.58 | 20.07 | |
| 23 | SC23 | Eikon Therapeutics | spt-compute1 | Qumulo | Qumulo Core | 20 | 40 | 7.58 | 2.82 | 20.38 | - |
| 24 | SC24 | RTX Pratt Whitney | Wilson | VDURA | PanFS | 10 | 160 | 6.70 | 2.17 | 20.70 | |
| 25 | ISC23 | Panasas | PanEast ActiveStor UltraXL | Panasas | Panfs | 10 | 80 | 6.25 | 1.86 | 21.01 | |
| 26 | ISC20 | German Climate Computing Center | Mistral | Cray | Lustre1 | 10 | 120 | 7.92 | 2.93 | 21.36 | - |
| 27 | SC23 | Universidad Carlos III de Madrid | MareNostrum 4 | ARCOS-UC3M | Expand | 10 | 320 | 22.77 | 23.88 | 21.71 | |
| 28 | ISC22 | Omnibond | OrangeFS-Google | Omnibond-Google | OrangeFS | 10 | 150 | 9.82 | 4.40 | 21.92 | - |
| 29 | SC19 | Nanyang Technological University | Hadley | DDN | GPFS | 10 | 640 | 12.89 | 7.47 | 22.24 | - |
| 30 | SC22 | Omnibond | OrangeFS-Google | Omnibond-Google | OrangeFS | 10 | 150 | 9.92 | 4.27 | 23.08 | - |
| 31 | ISC21 | DKRZ | Mistral | Seagate/Cray | Lustre | 10 | 80 | 5.22 | 1.16 | 23.50 | - |
| 32 | ISC23 | Panasas | PanEast ActiveStor Flash | Panasas | Panfs | 10 | 80 | 10.57 | 4.49 | 24.90 | |
| 33 | SC19 | Stanford | Sherlock/Regal | Dell | Lustre | 10 | 160 | 7.05 | 1.64 | 30.28 | - |
| 34 | ISC20 | SUSE | HammerHead | SUSE/Ampere/Arm | CephFS | 10 | 200 | 14.55 | 6.95 | 30.46 | - |
| 35 | SC19 | IST Austria | IST Austria HPC | Homemade@IST | BeeGFS | 10 | 100 | 6.63 | 1.39 | 31.62 | - |
| 36 | ISC21 | Howard Hughes Medical Institute Janelia Research Campus | Vast | nrsv | 10 | 300 | 15.50 | 7.54 | 31.84 | - | |
| 37 | SC20 | University of Tsukuba | Cygnus | OSS | Gfarm | 10 | 20 | 16.12 | 8.10 | 32.09 | - |
| 38 | ISC20 | SUSE | HammerHead | SUSE/Ampere/Arm | CephFS | 10 | 200 | 15.07 | 7.05 | 32.21 | - |
| 39 | ISC20 | SUSE | HammerHead | SUSE/Ampere/Arm | CephFS | 10 | 220 | 15.61 | 7.34 | 33.22 | - |
| 40 | SC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | SUSE Enterprise Storage - CephFS | 10 | 80 | 12.43 | 4.64 | 33.34 | - |
| 41 | SC21 | HHMIJRC | Janelia Compute Cluster | Vast Data | Vast | 80 | 2,880 | 21.72 | 14.11 | 33.42 | - |
| 42 | ISC20 | SUSE | HammerHead | SUSE/Ampere/Arm | CephFS | 10 | 220 | 15.38 | 7.04 | 33.57 | - |
| 43 | ISC20 | National Center for Supercomputing Applications | HAL | DDN | Spectrum Scale | 10 | 100 | 11.13 | 3.63 | 34.15 | - |
| 44 | ISC20 | National Center for Supercomputing Applications | HAL | DDN | Spectrum Scale | 10 | 100 | 11.31 | 3.62 | 35.37 | - |
| 45 | SC19 | Clemson University | Palmetto Burstbuffer | AdvancedHPC | BeeGFS | 10 | 120 | 21.55 | 12.97 | 35.80 | - |
| 46 | SC23 | LCPQ | Ampere | Home made | BeeGFS | 10 | 30 | 6.65 | 1.22 | 36.16 | |
| 47 | SC19 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 400 | 24.70 | 16.32 | 37.37 | - |
| 48 | SC19 | SUSE | TigerShark | SUSE, Intel, Lenovo | SUSE Enterprise Storage - CephFS | 15 | 120 | 14.91 | 5.74 | 38.72 | - |
| 49 | ISC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 600 | 21.32 | 11.27 | 40.32 | - |
| 50 | SC20 | EPCC | Archer 2 (test system) | Cray | Lustre | 10 | 80 | 10.68 | 2.63 | 43.43 | - |
| 51 | ISC20 | Simon Fraser University | Cedar | Dell/Seagate | Lustre | 288 | 288 | 18.72 | 7.66 | 45.75 | - |
| 52 | SC19 | Stanford | Sherlock/Oak | Dell, QCT, HGST | Lustre | 10 | 240 | 9.31 | 1.89 | 45.87 | - |
| 53 | SC20 | NASA | hyperwall4 | Intel. SK-Hynx | SSD | 128 | 1,024 | 75.75 | 122.24 | 46.94 | - |
| 54 | SC23 | Mississippi State University High Performance Computing Collaboratory | Orion | DDN | Lustre | 10 | 400 | 17.57 | 6.43 | 48.03 | |
| 55 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 16,384 | 168.09 | 581.43 | 48.60 | - |
| 56 | ISC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 600 | 24.19 | 11.85 | 49.39 | - |
| 57 | SC21 | GWDG | SCC | BeeGFS | 10 | 80 | 12.55 | 2.63 | 59.85 | - | |
| 58 | ISC23 | Arizona State University | Sol | Dell | BeeGFS | 10 | 160 | 16.48 | 4.40 | 61.76 | |
| 59 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 512 | 4,096 | 146.33 | 341.29 | 62.74 | - |
| 60 | SC23 | Howard Hughes Medical Institute Janelia Research Campus | Janelia Compute Cluster | Vast Data | Vast | 32 | 2,048 | 26.83 | 11.45 | 62.84 | |
| 61 | SC19 | Stanford | Sherlock/Fir | Dell, QCT, HGST | Lustre | 10 | 240 | 18.25 | 5.23 | 63.74 | - |
| 62 | ISC21 | Georgia Institute of Technology | PACE-Phoenix | DDN | Lustre | 10 | 240 | 17.07 | 4.52 | 64.48 | - |
| 63 | SC20 | TACC | Frontera | DDN | IME | 10 | 280 | 109.91 | 176.23 | 68.55 | - |
| 64 | SC20 | Raytheon | WekaIO | Penguin Computing | wekafs | 10 | 440 | 32.20 | 14.83 | 69.88 | - |
| 65 | ISC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 600 | 30.83 | 13.35 | 71.22 | - |
| 66 | SC21 | ULHPC | Aion | DDN | SpectrumScale | 128 | 256 | 11.35 | 1.80 | 71.57 | - |
| 67 | SC19 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 1,440 | 36.55 | 18.58 | 71.90 | - |
| 68 | SC24 | Wroclaw Centre for Networking and Supercomputing | Lem | Huawei/xFusion | Lustre | 10 | 200 | 28.02 | 10.76 | 72.99 | |
| 69 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 10 | 160 | 27.56 | 10.38 | 73.20 | - |
| 70 | ISC25 | GWDG | Future Technology Platform | Intel | Lustre | 21 | 420 | 22.08 | 6.49 | 75.14 | |
| 71 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 10 | 160 | 50.08 | 32.71 | 76.67 | - |
| 72 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 10 | 160 | 32.79 | 14.02 | 76.67 | - |
| 73 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 10 | 160 | 52.58 | 35.06 | 78.86 | - |
| 74 | ISC24 | Saudi ARAMCO | CSSP | DDN | EXAScaler | 93 | 744 | 55.11 | 38.14 | 79.63 | |
| 75 | ISC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 10 | 600 | 31.39 | 12.34 | 79.83 | - |
| 76 | SC24 | Howard Hughes Medical Institute Janelia Research Campus | Janelia Compute cluster | Vast Data | Vast | 10 | 640 | 31.08 | 11.61 | 83.22 | |
| 77 | SC23 | Telecommunications Technology Association | KR580S1 | Gluesys | Lustre | 10 | 320 | 44.82 | 23.29 | 86.26 | |
| 78 | SC19 | University of Birmingham | BEAR-AI | DDN | Spectrum Scale | 10 | 80 | 15.39 | 2.74 | 86.48 | - |
| 79 | SC23 | Mississippi State University High Performance Computing Collaboratory | Orion | DDN | Lustre | 10 | 400 | 20.83 | 5.01 | 86.67 | |
| 80 | SC24 | Gesellschaft fur wissenschaftliche Datenverarbeitung | Emmy | Clyso | CephFS | 18 | 270 | 32.17 | 11.92 | 86.81 | |
| 81 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 512 | 4,096 | 175.85 | 348.95 | 88.62 | - |
| 82 | SC19 | Penguin Computing Benchmarking and Innovation Lab | Penguin-ASG-NVBeeOne | Penguin Computing/Excelero | BeeGFS | 10 | 320 | 39.65 | 17.71 | 88.76 | - |
| 83 | SC19 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | wekaio | 18 | 1,368 | 48.75 | 26.22 | 90.62 | - |
| 84 | SC20 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 4,096 | 253.57 | 697.20 | 92.22 | - |
| 85 | ISC25 | Hammerspace | Hammerspace Performance Lab | Hammerspace | pNFS v4.2 via Hammerspace Anvil Metadata Service | 10 | 640 | 63.77 | 37.25 | 109.16 | |
| 86 | SC19 | Oracle Cloud Infrastructure | Oracle Cloud Infrastructure with Block Volume Service running Spectrum Scale | Oracle Cloud Infrastructure Block Volumes Service | Spectrum Scale | 30 | 480 | 47.55 | 20.38 | 110.93 | - |
| 87 | SC21 | NLHPC | Guacolda | IBM | SpectrumScale | 10 | 360 | 45.26 | 17.91 | 114.36 | - |
| 88 | ISC20 | Red Hat | EC2-10xi3en.metal | Red Hat | CephFS | 10 | 320 | 55.13 | 25.67 | 118.42 | - |
| 89 | SC24 | Howard Hughes Medical Institute Janelia Research Campus | Janelia Compute cluster | Vast Data | Vast | 32 | 2,048 | 47.19 | 18.78 | 118.59 | |
| 90 | SC23 | Center for Research Informatics at University of Chicago | Randi | IBM | Spectrum Scale | 10 | 160 | 60.88 | 31.05 | 119.36 | |
| 91 | ISC25 | Universidad Carlos III de Madrid | C3-UC3M | ARCOS-UC3M | Expand | 10 | 640 | 47.50 | 18.87 | 119.55 | |
| 92 | ISC25 | Istituto Nazionale di Fisica Nucleare | Tier1-CNAF | Huawei | Spectrum Scale | 10 | 100 | 37.26 | 11.30 | 122.93 | |
| 93 | ISC20 | Red Hat | EC2-10xi3en.metal | Red Hat | CephFS | 10 | 320 | 57.17 | 26.29 | 124.30 | - |
| 94 | SC19 | CSIRO | bracewell scratch2 | Dell/ThinkParQ | beegfs | 26 | 260 | 94.86 | 69.10 | 130.23 | - |
| 95 | SC19 | CSIRO | bracewell | Dell/ThinkParQ | beegfs | 10 | 160 | 66.80 | 33.77 | 132.15 | - |
| 96 | ISC20 | DDN | DIME | DDN | IME | 10 | 110 | 116.95 | 100.37 | 136.27 | - |
| 97 | ISC20 | Oracle Cloud Infrastructure | SpectrumScale on Oracle Cloud | Oracle Cloud Infrastructure | Spectrum Scale | 48 | 768 | 66.69 | 31.78 | 139.96 | - |
| 98 | SC19 | CNES | HAL | DDN | Spectrum Scale | 96 | 96 | 34.76 | 8.51 | 141.99 | - |
| 99 | SC19 | CNES | HAL | DDN | Spectrum Scale | 96 | 96 | 37.16 | 9.71 | 142.20 | - |
| 100 | SC21 | CQ | Narval | Dell | Lustre | 640 | 640 | 68.31 | 32.74 | 142.53 | - |