pivot fineweb csv

eval-logs/pivot_fineweb_1782701257.csv

@@ -252,3 +252,4 @@ ts_unix_s,elapsed_s,phase,docs,tokens,chars,warmup_docs_target,vocab_size,merges
 1782708424,7129.801,stream,50200,26954310,69807678,500,1056,800,3582.53,3780.51,7.041,2382.754965,14080.846056,7.776013,9.611210,11.218415,4.331682,4.310855,0.410644,573120.0,0.742613,0.481440,0.955278,0.793300,4.985939,4.989106,4.986955,4.984340,4.924514,3.409786,4.968202,0.060865,284.165345,449.745708,10.658074
 1782708455,7159.960,stream,50400,27062094,70082121,500,1056,800,3573.90,3779.64,7.039,2400.399770,15293.494554,7.783391,9.628441,11.229059,4.336082,4.315251,0.409654,573120.0,0.741565,0.478980,0.954604,0.787120,4.988737,4.990691,4.966358,4.989100,4.842483,3.105273,4.875725,0.072680,284.187502,449.504906,10.658074
 1782708485,7189.883,stream,50600,27168967,70357610,500,1056,800,3571.60,3778.78,7.038,2417.473189,15280.350835,7.790478,9.585172,11.239284,4.340110,4.319282,0.409391,573120.0,0.740543,0.478540,0.953956,0.785500,4.999002,4.995164,4.996458,4.996873,4.999269,3.191617,4.984068,0.057727,284.226517,449.293402,10.658074
+1782708514,7219.538,stream,50800,27274793,70626228,500,1056,800,3568.60,3777.91,7.036,2434.363867,13558.512079,7.797441,9.584971,11.249329,4.344323,4.323491,0.409047,573120.0,0.739526,0.483580,0.953292,0.785820,4.996753,4.994327,4.988704,4.994637,4.992013,3.142518,4.967623,0.012268,284.252026,449.054636,10.658074