--------- 512 processes on 2.4 create separate dir ------ Parallel file creation by 512 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 3.897 13138.969 Elapsed 51200 3.897 13138.939 ------------- ------------ ---------- ---------- ---------- Average 100 3.866 25.879 Std Dev 0.074 0.548 ( 1.93%) ( 2.12%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.793 28556.895 Elapsed 51200 1.793 28556.608 ------------- ------------ ---------- ---------- ---------- Average 100 1.783 56.097 Std Dev 0.008 0.239 ( 0.42%) ( 0.43%) ----------- 512 processes on 2.3 lustre create separate dir ---------- Parallel file creation by 512 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- Total 51200 1.848 27704.593 Elapsed 51200 1.848 27704.308 ------------- ------------ ---------- ---------- ---------- Average 100 1.838 54.413 Std Dev 0.008 0.242 ( 0.44%) ( 0.44%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.788 28641.674 Elapsed 51200 1.788 28641.498 ------------- ------------ ---------- ---------- ---------- Average 100 1.777 56.285 Std Dev 0.008 0.265 ( 0.47%) ( 0.47%) ---------- 512 processes on 1.8.6 lustre create separate dir --------- Parallel file creation by 512 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 1.779 28773.178 Elapsed 51200 1.779 28772.402 ------------- ------------ ---------- ---------- ---------- Average 100 1.770 56.509 Std Dev 0.007 0.235 ( 0.41%) ( 0.42%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.789 28613.503 Elapsed 51200 1.789 28613.103 ------------- ------------ ---------- ---------- ---------- Average 100 1.779 56.215 Std Dev 0.007 0.235 ( 0.42%) ( 0.42%) ----- 512 processes on 2.4 delete separate dir -------- File DELETE by 512 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 2.579 19851.863 Elapsed 51200 2.579 19851.648 ------------- ------------ ---------- ---------- ---------- Average 100 2.482 40.415 Std Dev 0.132 2.451 ( 5.32%) ( 6.06%) ------------- ------------ ---------- ---------- ---------- Total 51200 2.341 21872.116 Elapsed 51200 2.341 21871.948 ------------- ------------ ---------- ---------- ---------- Average 100 2.331 42.903 Std Dev 0.007 0.128 ( 0.30%) ( 0.30%) -------- 512 process on 2.3 lustre delete separate dir ----------- File DELETE by 512 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- Total 51200 2.352 21769.170 Elapsed 51200 2.352 21768.828 ------------- ------------ ---------- ---------- ---------- Average 100 2.284 43.787 Std Dev 0.022 0.486 ( 0.94%) ( 1.11%) ------------- ------------ ---------- ---------- ---------- Total 51200 2.332 21958.096 Elapsed 51200 2.332 21957.927 ------------- ------------ ---------- ---------- ---------- Average 100 2.275 43.956 Std Dev 0.013 0.259 ( 0.59%) ( 0.59%) -------- 512 process on 1.8.6 lustre delete separate dir ------------ File DELETE by 512 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 2.223 23035.244 Elapsed 51200 2.223 23035.130 ------------- ------------ ---------- ---------- ---------- Average 100 2.213 45.196 Std Dev 0.006 0.121 ( 0.27%) ( 0.27%) ------------- ------------ ---------- ---------- ---------- Total 51200 2.217 23096.345 Elapsed 51200 2.217 23096.209 ------------- ------------ ---------- ---------- ---------- Average 100 2.201 45.424 Std Dev 0.005 0.112 ( 0.25%) ( 0.25%) ------- 512 process on 2.4 create same dir --------- Parallel file creation by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 1.801 28431.555 Elapsed 51200 1.801 28431.256 ------------- ------------ ---------- ---------- ---------- Average 100 1.790 55.879 Std Dev 0.006 0.195 ( 0.35%) ( 0.35%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.822 28107.483 Elapsed 51200 1.822 28107.143 ------------- ------------ ---------- ---------- ---------- Average 100 1.811 55.231 Std Dev 0.006 0.196 ( 0.35%) ( 0.36%) --------- 512 processes on 2.3 lustre create same dir -------------- Parallel file creation by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 1.819 28146.575 Elapsed 51200 1.819 28143.899 ------------- ------------ ---------- ---------- ---------- Average 100 1.810 55.262 Std Dev 0.006 0.176 ( 0.32%) ( 0.32%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.808 28314.199 Elapsed 51200 1.808 28313.855 ------------- ------------ ---------- ---------- ---------- Average 100 1.799 55.596 Std Dev 0.006 0.180 ( 0.32%) ( 0.32%) --------- 512 processes on 1.8.6 lustre create same dir ------------ Parallel file creation by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 1.805 28371.844 Elapsed 51200 1.805 28371.451 ------------- ------------ ---------- ---------- ---------- Average 100 1.796 55.678 Std Dev 0.005 0.167 ( 0.30%) ( 0.30%) ------------- ------------ ---------- ---------- ---------- Total 51200 1.839 27844.458 Elapsed 51200 1.839 27843.974 ------------- ------------ ---------- ---------- ---------- Average 100 1.830 54.658 Std Dev 0.006 0.187 ( 0.34%) ( 0.34%) ------- 512 processes on 2.4 delete same dir -------- File DELETE by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 7.479 6845.647 Elapsed 51200 7.479 6845.596 ------------- ------------ ---------- ---------- ---------- Average 100 7.450 13.424 Std Dev 0.027 0.049 ( 0.36%) ( 0.37%) ------------- ------------ ---------- ---------- ---------- Total 51200 8.593 5958.146 Elapsed 51200 8.593 5958.142 ------------- ------------ ---------- ---------- ---------- Average 100 7.366 13.583 Std Dev 0.166 0.284 ( 2.25%) ( 2.09%) --------- 512 processes on 2.3 lustre delete same dir -------------- File DELETE by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 7.634 6706.476 Elapsed 51200 7.634 6706.471 ------------- ------------ ---------- ---------- ---------- Average 100 7.593 13.171 Std Dev 0.037 0.065 ( 0.49%) ( 0.50%) ------------- ------------ ---------- ---------- ---------- Total 51200 7.056 7255.916 Elapsed 51200 7.056 7255.782 ------------- ------------ ---------- ---------- ---------- Average 100 6.980 14.330 Std Dev 0.092 0.195 ( 1.31%) ( 1.36%) --------- 512 processes on 1.8.6 lustre delete same dir ------------ File DELETE by 512 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 3.637 14078.009 Elapsed 51200 3.637 14077.749 ------------- ------------ ---------- ---------- ---------- Average 100 2.438 42.385 Std Dev 0.465 7.399 ( 19.08%) ( 17.46%) ------------- ------------ ---------- ---------- ---------- Total 51200 2.687 19052.942 Elapsed 51200 2.687 19052.496 ------------- ------------ ---------- ---------- ---------- Average 100 2.533 39.764 Std Dev 0.195 3.649 ( 7.70%) ( 9.18%) ----- 8 processes on 2.4 create separate dir --------- Parallel file creation by 8 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 13.109 3905.628 Elapsed 51200 13.109 3905.619 ------------- ------------ ---------- ---------- ---------- Average 6400 13.105 488.346 Std Dev 0.002 0.092 ( 0.02%) ( 0.02%) ------------- ------------ ---------- ---------- ---------- Total 51200 11.657 4392.273 Elapsed 51200 11.657 4392.265 ------------- ------------ ---------- ---------- ---------- Average 6400 11.650 549.352 Std Dev 0.006 0.268 ( 0.05%) ( 0.05%) --------------- 8 processes on 2.3 lustre create separate dir ----------- Parallel file creation by 8 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 12.408 4126.458 Elapsed 51200 12.408 4126.451 ------------- ------------ ---------- ---------- ---------- Average 6400 12.375 517.189 Std Dev 0.013 0.529 ( 0.10%) ( 0.10%) ------------- ------------ ---------- ---------- ---------- Total 51200 10.404 4921.311 Elapsed 51200 10.404 4921.300 ------------- ------------ ---------- ---------- ---------- Average 6400 10.398 615.476 Std Dev 0.004 0.265 ( 0.04%) ( 0.04%) ------------- 8 processes on 1.8.6 lustre create separate dir ------------- Parallel file creation by 8 processes in separate directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 9.833 5206.815 Elapsed 51200 9.833 5206.802 ------------- ------------ ---------- ---------- ---------- Average 6400 9.809 652.465 Std Dev 0.009 0.610 ( 0.09%) ( 0.09%) ------------- ------------ ---------- ---------- ---------- Total 51200 9.803 5222.705 Elapsed 51200 9.803 5222.692 ------------- ------------ ---------- ---------- ---------- Average 6400 9.803 652.883 Std Dev 0.000 0.030 ( 0.00%) ( 0.00 %) -----8 processes on 2.4 delete separate dir ---------- File DELETE by 8 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 15.914 3217.239 Elapsed 51200 15.914 3217.236 ------------- ------------ ---------- ---------- ---------- Average 6400 15.189 425.957 Std Dev 1.416 49.287 ( 9.32%) ( 11.57%) ------------- ------------ ---------- ---------- ---------- Total 51200 15.582 3285.851 Elapsed 51200 15.582 3285.846 ------------- ------------ ---------- ---------- ---------- Average 6400 14.994 429.447 Std Dev 1.086 36.174 ( 7.24%) ( 8.42%) --------- 8 processes on 2.3 lustre delete separate dir ------------------- File DELETE by 8 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 14.181 3610.444 Elapsed 51200 14.181 3610.438 ------------- ------------ ---------- ---------- ---------- Average 6400 14.147 452.412 Std Dev 0.042 1.357 ( 0.30%) ( 0.30%) ------------- ------------ ---------- ---------- ---------- Total 51200 15.476 3308.319 Elapsed 51200 15.476 3308.315 ------------- ------------ ---------- ---------- ---------- Average 6400 15.138 423.220 Std Dev 0.477 13.828 ( 3.15%) ( 3.27%) --------- 8 processes on 1.8.6 lustre delete separate dir ------------------- File DELETE by 8 processes in different directories Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 13.262 3860.516 Elapsed 51200 13.262 3860.510 ------------- ------------ ---------- ---------- ---------- Average 6400 13.207 484.586 Std Dev 0.038 1.389 ( 0.29%) ( 0.29%) ------------- ------------ ---------- ---------- ---------- Total 51200 11.933 4290.455 Elapsed 51200 11.933 4290.449 ------------- ------------ ---------- ---------- ---------- Average 6400 11.883 538.605 Std Dev 0.055 2.517 ( 0.47%) ( 0.47%) ----- 8 processes on 2.4 create same dir ----------- Parallel file creation by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 10.825 4729.842 Elapsed 51200 10.825 4729.828 ------------- ------------ ---------- ---------- ---------- Average 6400 10.820 591.488 Std Dev 0.004 0.221 ( 0.04%) ( 0.04%) ------------- ------------ ---------- ---------- ---------- Total 51200 10.643 4810.829 Elapsed 51200 10.643 4810.815 ------------- ------------ ---------- ---------- ---------- Average 6400 10.639 601.576 Std Dev 0.003 0.145 ( 0.02%) ( 0.02%) -------- 8 processes on 2.3 lustre create same dir ------------------ Parallel file creation by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 11.689 4380.365 Elapsed 51200 11.689 4380.356 ------------- ------------ ---------- ---------- ---------- Average 6400 11.657 549.007 Std Dev 0.018 0.842 ( 0.15%) ( 0.15%) ------------- ------------ ---------- ---------- ---------- Total 51200 11.330 4518.873 Elapsed 51200 11.330 4518.858 ------------- ------------ ---------- ---------- ---------- Average 6400 11.329 564.903 Std Dev 0.001 0.031 ( 0.01%) ( 0.01%) --------- 8 processes on 1.8.6 lustre create same dir --------------- Parallel file creation by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 10.263 4988.807 Elapsed 51200 10.263 4988.792 ------------- ------------ ---------- ---------- ---------- Average 6400 10.262 623.673 Std Dev 0.001 0.049 ( 0.01%) ( 0.01%) ------------- ------------ ---------- ---------- ---------- Total 51200 12.288 4166.743 Elapsed 51200 12.288 4166.733 ------------- ------------ ---------- ---------- ---------- Average 6400 12.287 520.874 Std Dev 0.000 0.021 ( 0.00%) ( 0.00%) -------8 process on 2.4 delete same dir ---------- File DELETE by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 25.165 2034.550 Elapsed 51200 25.165 2034.548 ------------- ------------ ---------- ---------- ---------- Average 6400 24.999 256.039 Std Dev 0.253 2.649 ( 1.01%) ( 1.03%) ------------- ------------ ---------- ---------- ---------- Total 51200 23.434 2184.848 Elapsed 51200 23.434 2184.846 ------------- ------------ ---------- ---------- ---------- Average 6400 23.331 274.328 Std Dev 0.139 1.651 ( 0.60%) ( 0.60%) --------- 8 processes on 2.3 lustre delete same dir --------------- File DELETE by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 24.927 2054.024 Elapsed 51200 24.927 2054.022 ------------- ------------ ---------- ---------- ---------- Average 6400 24.023 266.471 Std Dev 0.363 3.919 ( 1.51%) ( 1.47%) ------------- ------------ ---------- ---------- ---------- Total 51200 21.596 2370.816 Elapsed 51200 21.596 2370.813 ------------- ------------ ---------- ---------- ---------- Average 6400 21.293 300.582 Std Dev 0.145 2.038 ( 0.68%) ( 0.68%) --------- 8 processes on 1.8.6 lustre delete same dir -------------- File DELETE by 8 processes in the same directory Process Hostname Files Time Rate ------------- ------------ ---------- ---------- ---------- ------------- ------------ ---------- ---------- ---------- Total 51200 18.542 2761.348 Elapsed 51200 18.542 2761.345 ------------- ------------ ---------- ---------- ---------- Average 6400 18.032 355.117 Std Dev 0.411 8.080 ( 2.28%) ( 2.28%) ------------- ------------ ---------- ---------- ---------- Total 51200 20.247 2528.827 Elapsed 51200 20.247 2528.824 ------------- ------------ ---------- ---------- ---------- Average 6400 19.896 321.777 Std Dev 0.344 5.679 ( 1.73%) ( 1.76%)