pivot fineweb csv

eval-logs/pivot_fineweb_1782701257.csv

@@ -255,3 +255,4 @@ ts_unix_s,elapsed_s,phase,docs,tokens,chars,warmup_docs_target,vocab_size,merges
 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
 1782708543,7248.677,stream,51000,27378597,70892763,500,1056,800,3562.33,3777.05,7.036,2450.643091,15030.423744,7.804106,9.555353,11.258945,4.348175,4.327343,0.408328,573120.0,0.738545,0.478360,0.952647,0.778840,4.991100,4.990536,4.946910,4.986867,4.942567,3.020587,4.958656,0.034193,284.286144,448.809339,10.658074
 1782708573,7278.596,stream,51200,27485623,71168505,500,1056,800,3577.25,3776.23,7.034,2468.183013,13511.702013,7.811238,9.635637,11.269234,4.352233,4.331412,0.410039,573120.0,0.737525,0.482300,0.951955,0.780460,4.991469,4.994247,4.991827,4.990418,4.907747,3.246192,4.859085,0.058935,284.304823,448.534014,10.658074
+1782708603,7308.361,stream,51400,27592085,71439791,500,1056,800,3576.71,3775.41,7.033,2486.477958,17485.204822,7.818623,9.725225,11.279888,4.356614,4.335799,0.409977,573120.0,0.736514,0.471540,0.951259,0.766920,4.995317,4.996685,4.998118,4.995858,4.997370,3.201857,4.976768,0.038523,284.324819,448.246796,10.658074