Comparisons 0.0% 0.0%
Z-Score Change Lang Batch Benchmark Baseline Contender
-0.111 0.500% R
tpch
arrow, native, memory_map=False, TPCH-01, scale_factor=10, R
1.902 s 1.892 s
0.736 0.702% R
tpch
arrow, native, memory_map=False, TPCH-02, scale_factor=1, R
0.255 s 0.253 s
0.310 0.687% R
tpch
arrow, native, memory_map=False, TPCH-01, scale_factor=0.01, R
0.140 s 0.139 s
0.207 0.924% R
tpch
arrow, parquet, memory_map=False, TPCH-01, scale_factor=0.1, R
0.204 s 0.202 s
0.060 -0.141% R
tpch
arrow, parquet, memory_map=False, TPCH-01, scale_factor=1, R
0.541 s 0.542 s
0.258 0.106% R
tpch
arrow, parquet, memory_map=False, TPCH-01, scale_factor=0.01, R
0.170 s 0.170 s
0.188 0.467% R
tpch
arrow, native, memory_map=False, TPCH-01, scale_factor=0.1, R
0.153 s 0.152 s
1.011 0.962% R
tpch
arrow, native, memory_map=False, TPCH-01, scale_factor=1, R
0.315 s 0.311 s
0.769 0.711% R
tpch
arrow, native, memory_map=False, TPCH-02, scale_factor=0.1, R
0.199 s 0.197 s
0.958 0.665% R
tpch
arrow, parquet, memory_map=False, TPCH-01, scale_factor=10, R
3.536 s 3.512 s
0.563 0.424% R
tpch
arrow, native, memory_map=False, TPCH-02, scale_factor=0.01, R
0.190 s 0.189 s
0.146 0.250% R
tpch
arrow, parquet, memory_map=False, TPCH-02, scale_factor=0.01, R
0.230 s 0.230 s
1.016 0.632% R
tpch
arrow, parquet, memory_map=False, TPCH-02, scale_factor=0.1, R
0.242 s 0.240 s
0.780 0.963% R
tpch
arrow, native, memory_map=False, TPCH-03, scale_factor=0.1, R
0.166 s 0.165 s
-0.095 -0.453% R
tpch
arrow, native, memory_map=False, TPCH-03, scale_factor=10, R
1.368 s 1.374 s
1.661 0.963% R
tpch
arrow, parquet, memory_map=False, TPCH-04, scale_factor=1, R
0.269 s 0.266 s
2.163 2.295% R
tpch
arrow, parquet, memory_map=False, TPCH-02, scale_factor=1, R
0.325 s 0.318 s
-0.043 -0.298% R
tpch
arrow, native, memory_map=False, TPCH-02, scale_factor=10, R
0.833 s 0.836 s
0.392 0.072% R
tpch
arrow, parquet, memory_map=False, TPCH-03, scale_factor=1, R
0.471 s 0.471 s
-0.807 -0.257% R
tpch
arrow, parquet, memory_map=False, TPCH-02, scale_factor=10, R
1.174 s 1.177 s
-0.376 -0.510% R
tpch
arrow, native, memory_map=False, TPCH-03, scale_factor=0.01, R
0.158 s 0.158 s
1.015 0.390% R
tpch
arrow, parquet, memory_map=False, TPCH-03, scale_factor=0.01, R
0.189 s 0.189 s
-0.159 0.438% R
tpch
arrow, parquet, memory_map=False, TPCH-04, scale_factor=10, R
1.075 s 1.070 s
0.196 0.901% R
tpch
arrow, parquet, memory_map=False, TPCH-03, scale_factor=0.1, R
0.218 s 0.216 s
0.941 0.048% R
tpch
arrow, native, memory_map=False, TPCH-03, scale_factor=1, R
0.272 s 0.272 s
0.003 0.403% R
tpch
arrow, native, memory_map=False, TPCH-04, scale_factor=0.01, R
0.137 s 0.136 s
-0.127 0.193% R
tpch
arrow, native, memory_map=False, TPCH-05, scale_factor=1, R
0.239 s 0.238 s
0.731 0.425% R
tpch
arrow, parquet, memory_map=False, TPCH-03, scale_factor=10, R
3.052 s 3.039 s
-0.411 1.234% R
tpch
arrow, parquet, memory_map=False, TPCH-05, scale_factor=0.1, R
0.253 s 0.249 s
-0.151 -0.315% R
tpch
arrow, parquet, memory_map=False, TPCH-04, scale_factor=0.01, R
0.162 s 0.162 s
0.807 0.875% R
tpch
arrow, parquet, memory_map=False, TPCH-04, scale_factor=0.1, R
0.172 s 0.170 s
0.695 -0.070% R
tpch
arrow, native, memory_map=False, TPCH-04, scale_factor=1, R
0.245 s 0.245 s
0.029 -0.432% R
tpch
arrow, native, memory_map=False, TPCH-04, scale_factor=0.1, R
0.142 s 0.143 s
0.286 0.338% R
tpch
arrow, native, memory_map=False, TPCH-08, scale_factor=0.1, R
0.229 s 0.228 s
0.029 0.351% R
tpch
arrow, parquet, memory_map=False, TPCH-05, scale_factor=0.01, R
0.220 s 0.219 s
-0.263 0.351% R
tpch
arrow, native, memory_map=False, TPCH-04, scale_factor=10, R
1.235 s 1.231 s
0.015 -1.017% R
tpch
arrow, native, memory_map=False, TPCH-05, scale_factor=0.01, R
0.176 s 0.178 s
0.269 -0.085% R
tpch
arrow, native, memory_map=False, TPCH-05, scale_factor=0.1, R
0.182 s 0.182 s
0.350 1.237% R
tpch
arrow, parquet, memory_map=False, TPCH-05, scale_factor=1, R
0.516 s 0.510 s
-0.527 -0.651% R
tpch
arrow, native, memory_map=False, TPCH-05, scale_factor=10, R
0.812 s 0.817 s
0.135 -0.157% R
tpch
arrow, native, memory_map=False, TPCH-06, scale_factor=1, R
0.145 s 0.145 s
1.572 1.546% R
tpch
arrow, native, memory_map=False, TPCH-06, scale_factor=0.01, R
0.113 s 0.111 s
0.812 0.651% R
tpch
arrow, native, memory_map=False, TPCH-07, scale_factor=0.1, R
0.200 s 0.199 s
-1.493 -0.525% R
tpch
arrow, parquet, memory_map=False, TPCH-05, scale_factor=10, R
3.142 s 3.159 s
-0.242 0.006% R
tpch
arrow, parquet, memory_map=False, TPCH-06, scale_factor=0.01, R
0.142 s 0.142 s
0.287 0.985% R
tpch
arrow, native, memory_map=False, TPCH-06, scale_factor=0.1, R
0.114 s 0.113 s
0.398 0.221% R
tpch
arrow, parquet, memory_map=False, TPCH-06, scale_factor=0.1, R
0.165 s 0.165 s
0.202 0.331% R
tpch
arrow, parquet, memory_map=False, TPCH-06, scale_factor=1, R
0.391 s 0.389 s
1.249 0.491% R
tpch
arrow, native, memory_map=False, TPCH-12, scale_factor=1, R
0.464 s 0.462 s
-0.978 0.424% R
tpch
arrow, parquet, memory_map=False, TPCH-07, scale_factor=0.01, R
0.237 s 0.236 s
0.619 -0.102% R
tpch
arrow, native, memory_map=False, TPCH-07, scale_factor=10, R
0.947 s 0.948 s
-0.036 -0.269% R
tpch
arrow, native, memory_map=False, TPCH-11, scale_factor=0.01, R
0.143 s 0.144 s
0.173 -0.818% R
tpch
arrow, native, memory_map=False, TPCH-08, scale_factor=0.01, R
0.223 s 0.225 s
-0.106 -0.353% R
tpch
arrow, native, memory_map=False, TPCH-09, scale_factor=0.01, R
0.186 s 0.186 s
-0.079 -0.309% R
tpch
arrow, native, memory_map=False, TPCH-10, scale_factor=10, R
1.139 s 1.143 s
-0.332 -0.631% R
tpch
arrow, native, memory_map=False, TPCH-06, scale_factor=10, R
0.462 s 0.465 s
0.450 0.521% R
tpch
arrow, parquet, memory_map=False, TPCH-06, scale_factor=10, R
2.515 s 2.502 s
0.051 -0.174% R
tpch
arrow, parquet, memory_map=False, TPCH-08, scale_factor=10, R
3.334 s 3.340 s
0.642 0.129% R
tpch
arrow, native, memory_map=False, TPCH-10, scale_factor=0.01, R
0.174 s 0.174 s
0.154 0.607% R
tpch
arrow, native, memory_map=False, TPCH-10, scale_factor=0.1, R
0.182 s 0.181 s
0.448 0.238% R
tpch
arrow, native, memory_map=False, TPCH-11, scale_factor=1, R
0.260 s 0.259 s
-1.030 0.310% R
tpch
arrow, parquet, memory_map=False, TPCH-11, scale_factor=1, R
0.516 s 0.514 s
0.162 1.183% R
tpch
arrow, parquet, memory_map=False, TPCH-11, scale_factor=10, R
3.674 s 3.630 s
-0.583 0.239% R
tpch
arrow, native, memory_map=False, TPCH-12, scale_factor=10, R
3.334 s 3.326 s
1.705 0.467% R
tpch
arrow, parquet, memory_map=False, TPCH-08, scale_factor=0.01, R
0.272 s 0.271 s
1.331 1.172% R
tpch
arrow, native, memory_map=False, TPCH-07, scale_factor=0.01, R
0.196 s 0.194 s
0.158 1.197% R
tpch
arrow, parquet, memory_map=False, TPCH-07, scale_factor=0.1, R
0.265 s 0.262 s
-0.191 0.894% R
tpch
arrow, parquet, memory_map=False, TPCH-09, scale_factor=0.1, R
0.268 s 0.265 s
-0.121 -0.305% R
tpch
arrow, native, memory_map=False, TPCH-10, scale_factor=1, R
0.272 s 0.273 s
0.310 -0.277% R
tpch
arrow, native, memory_map=False, TPCH-12, scale_factor=0.01, R
0.141 s 0.141 s
0.002 0.753% R
tpch
arrow, parquet, memory_map=False, TPCH-10, scale_factor=0.01, R
0.211 s 0.210 s
1.049 0.390% R
tpch
arrow, parquet, memory_map=False, TPCH-12, scale_factor=0.01, R
0.180 s 0.179 s
0.914 0.498% R
tpch
arrow, parquet, memory_map=False, TPCH-13, scale_factor=0.01, R
0.159 s 0.158 s
0.511 0.256% R
tpch
arrow, native, memory_map=False, TPCH-08, scale_factor=1, R
0.264 s 0.263 s
0.471 -0.156% R
tpch
arrow, native, memory_map=False, TPCH-09, scale_factor=0.1, R
0.200 s 0.200 s
-0.571 -0.247% R
tpch
arrow, native, memory_map=False, TPCH-11, scale_factor=10, R
1.457 s 1.461 s
0.125 0.406% R
tpch
arrow, parquet, memory_map=False, TPCH-07, scale_factor=10, R
3.129 s 3.116 s
0.410 0.000% R
tpch
arrow, native, memory_map=False, TPCH-08, scale_factor=10, R
0.650 s 0.650 s
-0.612 -0.037% R
tpch
arrow, parquet, memory_map=False, TPCH-11, scale_factor=0.1, R
0.221 s 0.221 s
1.169 0.478% R
tpch
arrow, parquet, memory_map=False, TPCH-12, scale_factor=0.1, R
0.272 s 0.271 s
0.317 0.549% R
tpch
arrow, parquet, memory_map=False, TPCH-12, scale_factor=10, R
9.219 s 9.168 s
-1.601 -1.229% R
tpch
arrow, parquet, memory_map=False, TPCH-13, scale_factor=0.1, R
0.281 s 0.284 s
0.868 0.931% R
tpch
arrow, native, memory_map=False, TPCH-07, scale_factor=1, R
0.276 s 0.273 s
-0.140 -0.650% R
tpch
arrow, parquet, memory_map=False, TPCH-08, scale_factor=0.1, R
0.302 s 0.304 s
0.345 0.621% R
tpch
arrow, parquet, memory_map=False, TPCH-08, scale_factor=1, R
0.571 s 0.568 s
-0.186 0.269% R
tpch
arrow, native, memory_map=False, TPCH-09, scale_factor=10, R
1.134 s 1.131 s
-0.277 -0.326% R
tpch
arrow, parquet, memory_map=False, TPCH-09, scale_factor=10, R
3.966 s 3.979 s
0.145 2.265% R
tpch
arrow, parquet, memory_map=False, TPCH-10, scale_factor=0.1, R
0.244 s 0.239 s
-0.033 -0.274% R
tpch
arrow, parquet, memory_map=False, TPCH-12, scale_factor=1, R
1.150 s 1.153 s
0.249 0.613% R
tpch
arrow, parquet, memory_map=False, TPCH-07, scale_factor=1, R
0.536 s 0.532 s
0.487 0.727% R
tpch
arrow, parquet, memory_map=False, TPCH-09, scale_factor=0.01, R
0.227 s 0.225 s
-0.312 -0.583% R
tpch
arrow, native, memory_map=False, TPCH-09, scale_factor=1, R
0.295 s 0.296 s
0.542 0.808% R
tpch
arrow, parquet, memory_map=False, TPCH-09, scale_factor=1, R
0.611 s 0.606 s
0.520 0.327% R
tpch
arrow, parquet, memory_map=False, TPCH-10, scale_factor=1, R
0.531 s 0.530 s
-0.145 -0.843% R
tpch
arrow, parquet, memory_map=False, TPCH-10, scale_factor=10, R
3.282 s 3.310 s
-0.185 -0.205% R
tpch
arrow, parquet, memory_map=False, TPCH-11, scale_factor=0.01, R
0.181 s 0.182 s
0.652 -0.256% R
tpch
arrow, native, memory_map=False, TPCH-11, scale_factor=0.1, R
0.158 s 0.158 s
0.780 0.634% R
tpch
arrow, native, memory_map=False, TPCH-12, scale_factor=0.1, R
0.198 s 0.197 s
1.331 0.160% R
tpch
arrow, native, memory_map=False, TPCH-13, scale_factor=0.01, R
0.123 s 0.123 s
0.882 -0.181% R
tpch
arrow, parquet, memory_map=False, TPCH-13, scale_factor=1, R
0.862 s 0.864 s
0.512 -0.476% R
tpch
arrow, native, memory_map=False, TPCH-13, scale_factor=0.1, R
0.217 s 0.218 s
-0.105 -0.150% R
tpch
arrow, native, memory_map=False, TPCH-14, scale_factor=1, R
0.350 s 0.350 s
0.404 0.076% R
tpch
arrow, native, memory_map=False, TPCH-13, scale_factor=1, R
0.628 s 0.628 s
-0.587 -0.130% R
tpch
arrow, native, memory_map=False, TPCH-13, scale_factor=10, R
5.010 s 5.017 s
0.484 -0.647% R
tpch
arrow, native, memory_map=False, TPCH-16, scale_factor=0.1, R
0.151 s 0.152 s
-0.553 -0.466% R
tpch
arrow, native, memory_map=False, TPCH-15, scale_factor=1, R
0.206 s 0.207 s
-1.438 0.412% R
tpch
arrow, parquet, memory_map=False, TPCH-13, scale_factor=10, R
7.192 s 7.163 s
1.347 0.490% R
tpch
arrow, native, memory_map=False, TPCH-14, scale_factor=0.01, R
0.145 s 0.145 s
0.982 0.855% R
tpch
arrow, parquet, memory_map=False, TPCH-14, scale_factor=0.01, R
0.185 s 0.184 s
0.258 -0.285% R
tpch
arrow, native, memory_map=False, TPCH-14, scale_factor=0.1, R
0.168 s 0.169 s
-0.287 -0.679% R
tpch
arrow, parquet, memory_map=False, TPCH-14, scale_factor=1, R
0.967 s 0.974 s
0.030 0.693% R
tpch
arrow, parquet, memory_map=False, TPCH-14, scale_factor=0.1, R
0.257 s 0.255 s
0.577 -0.328% R
tpch
arrow, native, memory_map=False, TPCH-15, scale_factor=0.01, R
0.141 s 0.142 s
-0.395 -0.088% R
tpch
arrow, native, memory_map=False, TPCH-14, scale_factor=10, R
2.169 s 2.171 s
0.320 0.084% R
tpch
arrow, parquet, memory_map=False, TPCH-15, scale_factor=0.01, R
0.175 s 0.175 s
-1.035 -0.201% R
tpch
arrow, parquet, memory_map=False, TPCH-15, scale_factor=0.1, R
0.203 s 0.203 s
0.999 0.225% R
tpch
arrow, parquet, memory_map=False, TPCH-16, scale_factor=0.01, R
0.166 s 0.166 s
0.228 1.089% R
tpch
arrow, parquet, memory_map=False, TPCH-14, scale_factor=10, R
7.593 s 7.510 s
-1.581 -0.423% R
tpch
arrow, native, memory_map=False, TPCH-15, scale_factor=10, R
0.866 s 0.870 s
0.031 -0.551% R
tpch
arrow, native, memory_map=False, TPCH-16, scale_factor=0.01, R
0.133 s 0.134 s
-0.629 -0.598% R
tpch
arrow, native, memory_map=False, TPCH-17, scale_factor=0.01, R
0.149 s 0.150 s
0.760 0.121% R
tpch
arrow, native, memory_map=False, TPCH-17, scale_factor=1, R
0.216 s 0.215 s
1.213 -0.108% R
tpch
arrow, native, memory_map=False, TPCH-15, scale_factor=0.1, R
0.145 s 0.145 s
0.324 -0.488% R
tpch
arrow, parquet, memory_map=False, TPCH-15, scale_factor=10, R
3.027 s 3.042 s
-0.087 0.083% R
tpch
arrow, parquet, memory_map=False, TPCH-16, scale_factor=1, R
0.450 s 0.449 s
0.207 0.216% R
tpch
arrow, native, memory_map=False, TPCH-17, scale_factor=0.1, R
0.152 s 0.151 s
0.123 0.346% R
tpch
arrow, parquet, memory_map=False, TPCH-16, scale_factor=0.1, R
0.205 s 0.204 s
-1.387 0.732% R
tpch
arrow, parquet, memory_map=False, TPCH-16, scale_factor=10, R
3.147 s 3.124 s
0.508 0.570% R
tpch
arrow, parquet, memory_map=False, TPCH-17, scale_factor=0.01, R
0.192 s 0.191 s
0.486 0.866% R
tpch
arrow, parquet, memory_map=False, TPCH-17, scale_factor=0.1, R
0.279 s 0.277 s
0.665 0.064% R
tpch
arrow, native, memory_map=False, TPCH-16, scale_factor=10, R
1.148 s 1.148 s
0.181 -0.705% R
tpch
arrow, parquet, memory_map=False, TPCH-17, scale_factor=1, R
1.212 s 1.220 s
0.562 1.068% R
tpch
arrow, native, memory_map=False, TPCH-16, scale_factor=1, R
0.240 s 0.237 s
0.461 0.352% R
tpch
arrow, parquet, memory_map=False, TPCH-15, scale_factor=1, R
0.470 s 0.469 s
0.505 0.202% R
tpch
arrow, native, memory_map=False, TPCH-17, scale_factor=10, R
0.849 s 0.848 s
0.734 0.069% R
tpch
arrow, native, memory_map=False, TPCH-18, scale_factor=0.01, R
0.134 s 0.134 s
0.588 0.273% R
tpch
arrow, native, memory_map=False, TPCH-18, scale_factor=0.1, R
0.146 s 0.146 s
-0.069 -0.457% R
tpch
arrow, native, memory_map=False, TPCH-18, scale_factor=1, R
0.327 s 0.329 s
0.638 1.163% R
tpch
arrow, parquet, memory_map=False, TPCH-17, scale_factor=10, R
9.420 s 9.311 s
0.202 -0.280% R
tpch
arrow, parquet, memory_map=False, TPCH-18, scale_factor=0.01, R
0.171 s 0.171 s
0.134 0.285% R
tpch
arrow, parquet, memory_map=False, TPCH-18, scale_factor=0.1, R
0.195 s 0.194 s
-0.392 -1.385% R
tpch
arrow, parquet, memory_map=False, TPCH-18, scale_factor=1, R
0.518 s 0.525 s
-0.306 -0.635% R
tpch
arrow, native, memory_map=False, TPCH-19, scale_factor=0.1, R
0.251 s 0.253 s
-0.539 0.057% R
tpch
arrow, native, memory_map=False, TPCH-18, scale_factor=10, R
3.027 s 3.026 s
-0.350 0.089% R
tpch
arrow, native, memory_map=False, TPCH-19, scale_factor=0.01, R
0.183 s 0.183 s
0.965 -0.056% R
tpch
arrow, native, memory_map=False, TPCH-19, scale_factor=10, R
10.107 s 10.112 s
0.897 0.386% R
tpch
arrow, native, memory_map=False, TPCH-20, scale_factor=0.01, R
0.176 s 0.175 s
0.407 0.624% R
tpch
arrow, parquet, memory_map=False, TPCH-22, scale_factor=10, R
2.386 s 2.371 s
-1.168 -0.295% R
tpch
arrow, parquet, memory_map=False, TPCH-19, scale_factor=0.1, R
0.330 s 0.331 s
0.624 2.200% R
tpch
arrow, parquet, memory_map=False, TPCH-18, scale_factor=10, R
4.495 s 4.396 s
-0.459 -0.515% R
tpch
arrow, parquet, memory_map=False, TPCH-19, scale_factor=0.01, R
0.224 s 0.225 s
-1.251 -0.690% R
tpch
arrow, native, memory_map=False, TPCH-19, scale_factor=1, R
0.961 s 0.968 s
-1.534 -1.532% R
tpch
arrow, native, memory_map=False, TPCH-21, scale_factor=0.1, R
0.475 s 0.482 s
0.811 0.573% R
tpch
arrow, parquet, memory_map=False, TPCH-22, scale_factor=1, R
0.381 s 0.379 s
0.623 0.033% R
tpch
arrow, parquet, memory_map=False, TPCH-19, scale_factor=1, R
1.575 s 1.575 s
0.824 -0.036% R
tpch
arrow, parquet, memory_map=False, TPCH-20, scale_factor=1, R
1.093 s 1.093 s
0.586 0.462% R
tpch
arrow, parquet, memory_map=False, TPCH-20, scale_factor=0.01, R
0.226 s 0.225 s
0.719 -0.009% R
tpch
arrow, parquet, memory_map=False, TPCH-21, scale_factor=0.01, R
0.312 s 0.312 s
-1.377 -0.220% R
tpch
arrow, native, memory_map=False, TPCH-21, scale_factor=1, R
2.610 s 2.616 s
0.082 -0.443% R
tpch
arrow, parquet, memory_map=False, TPCH-21, scale_factor=0.1, R
0.576 s 0.578 s
0.391 -0.081% R
tpch
arrow, native, memory_map=False, TPCH-22, scale_factor=1, R
0.153 s 0.153 s
-0.655 -0.702% R
tpch
arrow, native, memory_map=False, TPCH-22, scale_factor=10, R
0.319 s 0.321 s
-0.094 -0.302% R
tpch
arrow, parquet, memory_map=False, TPCH-19, scale_factor=10, R
14.756 s 14.800 s
0.456 0.068% R
tpch
arrow, parquet, memory_map=False, TPCH-20, scale_factor=0.1, R
0.296 s 0.296 s
0.166 0.176% R
tpch
arrow, parquet, memory_map=False, TPCH-20, scale_factor=10, R
8.168 s 8.154 s
0.632 0.097% R
tpch
arrow, native, memory_map=False, TPCH-22, scale_factor=0.01, R
0.132 s 0.132 s
0.498 -0.045% R
tpch
arrow, native, memory_map=False, TPCH-20, scale_factor=10, R
0.774 s 0.775 s
0.668 -0.396% R
tpch
arrow, native, memory_map=False, TPCH-20, scale_factor=0.1, R
0.178 s 0.178 s
0.096 -0.749% R
tpch
arrow, native, memory_map=False, TPCH-20, scale_factor=1, R
0.231 s 0.233 s
-1.585 -0.410% R
tpch
arrow, parquet, memory_map=False, TPCH-22, scale_factor=0.1, R
0.189 s 0.190 s
-0.224 -0.253% R
tpch
arrow, native, memory_map=False, TPCH-22, scale_factor=0.1, R
0.136 s 0.136 s
-0.067 0.128% R
tpch
arrow, native, memory_map=False, TPCH-21, scale_factor=0.01, R
0.265 s 0.265 s
0.144 0.083% R
tpch
arrow, parquet, memory_map=False, TPCH-21, scale_factor=1, R
3.173 s 3.170 s
0.356 0.929% R
tpch
arrow, parquet, memory_map=False, TPCH-22, scale_factor=0.01, R
0.169 s 0.168 s

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