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) | ||||||||||
| 201 | ISC20 | JINR | Govorun | RSC Group | Lustre | 50 | 800 | 90.87 | 35.61 | 231.88 | - |
| 202 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 170 | 2,040 | 91.48 | 42.65 | 196.20 | - |
| 203 | ISC20 | Johannes Gutenberg University Mainz | MOGON II | JGU (ADA-FS)& BSC (NEXTGenIO) | GekkoFS | 10 | 160 | 92.91 | 10.96 | 787.71 | - |
| 204 | SC19 | CSIRO | bracewell scratch2 | Dell/ThinkParQ | beegfs | 26 | 260 | 94.86 | 69.10 | 130.23 | - |
| 205 | ISC19 | DDN | IME140 | DDN | IME | 10 | 160 | 95.10 | 76.89 | 117.62 | - |
| 206 | ISC20 | Johannes Gutenberg University Mainz | MOGON II | JGU (ADA-FS)& BSC (NEXTGenIO) | GekkoFS | 10 | 160 | 96.46 | 11.61 | 801.60 | - |
| 207 | ISC20 | CSIRO | bracewell | Dell/DDN | Lustre | 10 | 400 | 97.67 | 39.87 | 239.26 | - |
| 208 | ISC19 | University of Cambridge | Data Accelerator | Dell EMC | Lustre | 10 | 320 | 98.31 | 26.94 | 358.85 | - |
| 209 | ISC20 | CSIRO | bracewell | Dell/DDN | Lustre | 10 | 400 | 99.64 | 39.90 | 248.81 | - |
| 210 | ISC18 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 16,384 | 101.48 | 471.25 | 21.85 | - |
| 211 | ISC21 | Japan Agency for Marine-Earth Science and Technology | Earth Simulator | DDN | Lustre | 10 | 320 | 101.88 | 48.19 | 215.38 | - |
| 212 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 270 | 3,240 | 104.30 | 47.44 | 229.33 | - |
| 213 | ISC19 | DDN | AI400 | DDN | Lustre | 10 | 160 | 104.34 | 19.65 | 553.98 | - |
| 214 | ISC22 | DDN | AI400X2-I | DDN | EXAScaler | 10 | 320 | 107.04 | 31.10 | 368.48 | - |
| 215 | ISC19 | DDN Colorado | DDN IME140 | DDN | IME | 10 | 160 | 109.42 | 75.79 | 157.96 | - |
| 216 | SC20 | TACC | Frontera | DDN | IME | 10 | 280 | 109.91 | 176.23 | 68.55 | - |
| 217 | ISC22 | IBM Tuscon | Arches | IBM | Spectrum Scale | 10 | 200 | 110.07 | 62.59 | 193.59 | - |
| 218 | ISC19 | DDN | IME140 | DDN | IME | 17 | 272 | 112.67 | 90.34 | 140.52 | - |
| 219 | ISC20 | DDN | DIME | DDN | IME | 10 | 110 | 116.95 | 100.37 | 136.27 | - |
| 220 | ISC23 | Imperial College London | Imperial - hx cluster | Lenovo | Spectrum scale | 32 | 512 | 119.56 | 44.63 | 320.31 | |
| 221 | SC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 40 | 1,040 | 123.47 | 43.63 | 349.44 | - |
| 222 | SC19 | EPCC | NextGENIO | NextGenIO (BSC & JGU) | GekkoFS | 10 | 240 | 125.08 | 21.47 | 728.68 | - |
| 223 | SC20 | Joint Supercomputer Center of the Russian Academy of Sciences | MVS10POP2 | RSC Group | Lustre | 54 | 864 | 125.50 | 45.31 | 347.61 | - |
| 224 | ISC23 | Riken R-CCS | Riken-FX700 | Intel | DAOS | 10 | 480 | 126.10 | 21.39 | 743.47 | |
| 225 | ISC20 | DDN | AI400X | DDN | Lustre | 40 | 1,280 | 127.29 | 40.72 | 397.91 | - |
| 226 | 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 | |
| 227 | ISC21 | Joint Institute of Nuclear Research | Govorun | RSC | DAOS | 10 | 160 | 132.07 | 20.19 | 863.69 | - |
| 228 | SC22 | DDN | AI400X2-I | DDN | EXAScaler | 10 | 160 | 133.81 | 32.90 | 544.24 | - |
| 229 | SC20 | Janelia Research Campus, HHMI | SharedScratch | WekaIO | Parallel Filesystem | 48 | 1,248 | 134.09 | 48.03 | 374.40 | - |
| 230 | ISC20 | DDN | AI400X | DDN | Lustre | 40 | 1,280 | 137.03 | 46.84 | 400.84 | - |
| 231 | ISC18 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 16,384 | 137.78 | 560.10 | 33.89 | - |
| 232 | ISC23 | DDN | AI400X2-I | DDN | EXAScaler | 10 | 320 | 142.03 | 33.43 | 603.39 | |
| 233 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 512 | 4,096 | 146.33 | 341.29 | 62.74 | - |
| 234 | ISC20 | National Supercomputer Center in Guangzhou | Venus2 | National Supercomputer Center in Guangzhou | kapok | 10 | 260 | 146.42 | 28.99 | 739.49 | - |
| 235 | ISC20 | National Supercomputer Center in Guangzhou | Venus2 | National Supercomputer Center in Guangzhou | kapok | 10 | 260 | 148.08 | 30.62 | 716.11 | - |
| 236 | ISC21 | University of Tsukuba | Cygnus | OSS | CHFS | 10 | 240 | 148.69 | 30.39 | 727.61 | - |
| 237 | ISC20 | EPCC | NextGENIO | NextGenIO (BSC & JGU) | GekkoFS | 10 | 280 | 149.92 | 24.91 | 902.12 | - |
| 238 | ISC20 | EPCC | NextGENIO | NextGenIO (BSC & JGU) | GekkoFS | 10 | 280 | 152.30 | 24.83 | 934.12 | - |
| 239 | SC19 | WekaIO | WekaIO | WekaIO | WekaIO Matrix | 10 | 2,610 | 156.51 | 56.22 | 435.76 | - |
| 240 | SC18 | Korea Institute of Science and Technology Information (KISTI) | NURION | DDN | IME | 2,048 | 4,096 | 156.91 | 554.23 | 44.43 | - |
| 241 | SC18 | University of Cambridge | Data Accelerator | Dell EMC | Lustre | 528 | 4,224 | 158.71 | 71.40 | 352.75 | - |
| 242 | SC20 | DDN | DIME | DDN | IME | 10 | 110 | 161.53 | 101.60 | 256.78 | - |
| 243 | SC20 | Johannes Gutenberg University Mainz | MOGON II | JGU (ADA-FS)& BSC (NEXTGenIO) | GekkoFS | 10 | 240 | 167.64 | 22.97 | 1,223.59 | - |
| 244 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 16,384 | 168.09 | 581.43 | 48.60 | - |
| 245 | ISC20 | JCAHPC | Oakforest-PACS | DDN | IME | 512 | 4,096 | 175.85 | 348.95 | 88.62 | - |
| 246 | ISC22 | DDN | AI400X2-II | DDN | EXAScaler | 10 | 0 | 183.34 | 48.27 | 696.43 | - |
| 247 | SC20 | EPCC | NextGENIO | BSC & JGU | GekkoFS | 10 | 360 | 184.99 | 27.21 | 1,257.57 | - |
| 248 | ISC22 | China Telecom Research Institute | CTPAI | CTCLOUD | DAOS | 10 | 200 | 187.84 | 25.29 | 1,395.01 | - |
| 249 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 170 | 2,040 | 191.10 | 175.24 | 208.39 | - |
| 250 | ISC21 | LuxProvide | MeluXina | DDN | Lustre | 512 | 12,288 | 194.12 | 112.06 | 336.25 | - |
| 251 | SC19 | CEA | Tera-1000 | DDN | Lustre | 128 | 4,096 | 210.26 | 81.01 | 545.74 | - |
| 252 | ISC23 | Intel | Florence | Intel | DAOS | 10 | 1,120 | 211.34 | 31.00 | 1,440.73 | |
| 253 | SC22 | China Telecom Research Institute | CTPAI | CTCLOUD | DAOS | 10 | 250 | 212.29 | 31.40 | 1,435.19 | - |
| 254 | SC22 | DDN | AI400X2-II | DDN | EXAScaler | 10 | 160 | 217.91 | 51.84 | 915.93 | - |
| 255 | ISC22 | Wu Dong Laboratory | Wu Dong Compute Cluster | Wu Dong Laboratory | OPENFS | 10 | 640 | 218.81 | 43.86 | 1,091.49 | - |
| 256 | ISC21 | Olympus Storage Technology Innovation Lab | OceanStor | Huawei | OceanFS | 10 | 960 | 220.10 | 69.49 | 697.15 | - |
| 257 | SC19 | University of Cambridge | Data Accelerator | Dell EMC | Lustre | 128 | 2,048 | 229.45 | 131.25 | 401.13 | - |
| 258 | SC20 | EPCC | NextGENIO | BSC & JGU | GekkoFS | 10 | 3,800 | 239.37 | 45.79 | 1,251.32 | - |
| 259 | ISC23 | DDN | AI400X2-II | DDN | EXAScaler | 10 | 1,280 | 240.85 | 51.46 | 1,127.22 | |
| 260 | SC19 | NVIDIA | DGX-2H SuperPOD | DDN | Lustre | 10 | 400 | 249.50 | 86.97 | 715.76 | - |
| 261 | SC20 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 4,096 | 253.57 | 697.20 | 92.22 | - |
| 262 | ISC22 | University of Cambridge | Cumulus | Dell | Lustre | 200 | 2,000 | 261.39 | 92.64 | 737.54 | - |
| 263 | ISC20 | Oracle Cloud Infrastructure | BeeGFS on Oracle Cloud | Oracle Cloud Infrastructure | BeeGFS | 270 | 3,240 | 267.25 | 293.05 | 243.73 | - |
| 264 | ISC21 | University of Florida | HiPerGator | DDN | Lustre | 140 | 4,480 | 269.59 | 181.37 | 400.73 | - |
| 265 | ISC19 | JCAHPC | Oakforest-PACS | DDN | IME | 2,048 | 2,048 | 275.65 | 492.06 | 154.41 | - |
| 266 | ISC20 | Korea Institute of Science and Technology Information (KISTI) | NURION | DDN | IME | 2,048 | 2,048 | 282.45 | 515.59 | 154.74 | - |
| 267 | ISC22 | University of Cambridge | Cumulus | Dell | Lustre | 10 | 1,280 | 316.73 | 119.92 | 836.54 | - |
| 268 | ISC22 | Oracle Cloud Infrastructure | Oracle Cloud running WEKA on non RDMA netwok | WekaIO | WEKA | 151 | 6,040 | 323.52 | 97.61 | 1,072.32 | - |
| 269 | ISC22 | Lenovo | Lenovo-Lenox3 | Lenovo | DAOS | 10 | 720 | 325.23 | 88.23 | 1,198.85 | - |
| 270 | SC18 | Oak Ridge National Laboratory | Summit | IBM | Spectrum Scale | 504 | 1,008 | 330.56 | 88.20 | 1,238.93 | - |
| 271 | SC20 | Intel | Endeavour | Intel | DAOS | 10 | 640 | 353.72 | 43.59 | 2,870.64 | - |
| 272 | ISC22 | Lenovo | Lenovo-Lenox3 | Lenovo | DAOS | 20 | 1,440 | 372.26 | 109.76 | 1,262.54 | - |
| 273 | ISC23 | DSAL | HPStore | SITONHOLY | HPFS | 10 | 420 | 392.15 | 38.95 | 3,948.47 | |
| 274 | ISC20 | Argonne National Laboratory | Presque | Argonne National Laboratory | DAOS | 10 | 380 | 398.25 | 89.36 | 1,774.79 | - |
| 275 | ISC21 | Supermicro | Supermicro | DAOS | 10 | 1,120 | 415.04 | 112.17 | 1,535.63 | - | |
| 276 | SC21 | QCT DevCloud | QCT DevCloud | QCT | DAOS | 10 | 560 | 427.27 | 102.85 | 1,774.97 | - |
| 277 | ISC23 | Intel | Borealis | Intel | DAOS | 10 | 1,040 | 431.43 | 125.21 | 1,486.53 | |
| 278 | ISC20 | Argonne National Laboratory | Presque | Argonne National Laboratory | DAOS | 10 | 380 | 440.64 | 95.80 | 2,026.80 | - |
| 279 | SC19 | National Supercomputing Center in Changsha | Tianhe-2E | National University of Defense Technology | Lustre | 480 | 5,280 | 453.68 | 209.43 | 982.78 | - |
| 280 | ISC20 | Argonne National Laboratory | Presque | Argonne National Laboratory | DAOS | 16 | 544 | 483.52 | 102.54 | 2,280.05 | - |
| 281 | ISC23 | University of Tsukuba | Pegasus | OSS | CHFS | 10 | 480 | 484.41 | 98.24 | 2,388.60 | |
| 282 | ISC20 | TACC | Frontera | Intel | DAOS | 10 | 420 | 507.13 | 78.47 | 3,277.36 | - |
| 283 | ISC20 | TACC | Frontera | Intel | DAOS | 10 | 420 | 508.88 | 79.16 | 3,271.49 | - |
| 284 | SC21 | National Research Center of Tranlational Medicine at Shanghai Ruijin Hospital | ASTRA | NRCTM | DAOS | 10 | 360 | 511.02 | 87.50 | 2,984.61 | - |
| 285 | SC19 | Intel | Wolf | Intel | DAOS | 10 | 310 | 516.41 | 123.89 | 2,152.46 | - |
| 286 | ISC20 | Argonne National Laboratory | Presque | Argonne National Laboratory | DAOS | 16 | 544 | 537.31 | 108.19 | 2,668.57 | - |
| 287 | ISC22 | Lenovo | Lenovo-Lenox3 | Lenovo | DAOS | 10 | 720 | 544.18 | 115.94 | 2,554.14 | - |
| 288 | ISC21 | Google Cloud | DDN | Lustre | 1,000 | 5,000 | 569.99 | 282.78 | 1,148.90 | - | |
| 289 | ISC21 | National Supercomputer Center in GuangZhou | Venus2 | National Supercomputer Center in GuangZhou | kapok | 18 | 720 | 577.93 | 104.52 | 3,195.53 | - |
| 290 | ISC19 | University of Cambridge | Data Accelerator | Dell EMC | Lustre | 512 | 8,192 | 620.69 | 162.05 | 2,377.44 | - |
| 291 | ISC22 | Lenovo | Lenovo-Lenox3 | Lenovo | DAOS | 20 | 1,440 | 624.59 | 145.12 | 2,688.20 | - |
| 292 | ISC22 | Oracle Cloud Infrastructure | Oracle Cloud with WEKA on RDMA | WekaIO | WEKA | 373 | 7,460 | 625.95 | 233.17 | 1,680.38 | - |
| 293 | ISC23 | EuroHPC-CINECA | Leonardo | DDN | EXAScaler | 2,000 | 16,000 | 648.96 | 807.12 | 521.79 | |
| 294 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 10 | 640 | 665.68 | 175.55 | 2,524.27 | - |
| 295 | ISC20 | Intel | Wolf | Intel | DAOS | 10 | 420 | 736.33 | 163.19 | 3,322.40 | - |
| 296 | ISC20 | TACC | Frontera | Intel | DAOS | 60 | 1,440 | 756.01 | 75.40 | 7,580.23 | - |
| 297 | ISC20 | Intel | Wolf | Intel | DAOS | 10 | 420 | 758.71 | 164.77 | 3,493.56 | - |
| 298 | ISC20 | TACC | Frontera | Intel | DAOS | 60 | 1,440 | 763.80 | 78.31 | 7,449.56 | - |
| 299 | ISC22 | LRZ | SuperMUC-NG Phase2 | Lenovo | DAOS | 20 | 1,280 | 800.77 | 241.02 | 2,660.54 | - |
| 300 | SC19 | Intel | Wolf | Intel | DAOS | 26 | 728 | 933.64 | 183.36 | 4,753.79 | - |