,FineWeb-1.5T,Ours-Base,Ours-Upsampling2,All-Upsampling1 0-shot: 3 min,Llama-8x8B-seq8192,Llama-8x8B-seq8192,Llama-8x8B-seq8192,Llama-8x8B-seq8192 5k,0.5691,0.5351,0.5367,0.5383 10k,0.5904,0.5604,0.5817,0.5667 15k,0.5927,0.5919,0.588,0.5896 20k,0.6448,0.6006,0.618,0.5935 25k,0.6196,0.6125,0.6062,0.6101 30k,0.6488,,0.614,0.6322 35k,0.644,0.603,0.6259,0.6212 40k,0.6496,0.6338,0.6267,0.6433 45k,0.6456,0.6172,0.6393,0.6393 50k,0.6464,0.6401,0.6164,0.6472 55k,0.6567,0.6235,0.6314,0.6464 60k,0.648,0.6251,0.6219,0.6369 65k,0.6654,0.6283,0.6401,0.6504 70k,0.6709,0.6322,0.6417,0.6559 75k,0.6709,0.648,0.6527,0.6527 80k,0.6843,0.6504,0.6369,0.6519 85k,0.6875,0.6409,0.6575,0.6393 90k,0.674,0.6369,0.6488,0.6527 95k,0.6835,0.6369,0.6654,0.6409 100k,0.6756,,0.659,0.6511 105k,0.6772,,0.6732,0.674 110k,0.6669,0.6559,0.6567,0.6551 115k,0.6732,0.6456,0.6661,0.6622 120k,0.6764,0.6519,0.659,0.6519 125k,0.6985,0.6393,0.6646,0.6803 130k,0.6811,0.6614,0.659,0.6559 135k,0.6827,,0.6551,0.6677 140k,0.6867,,0.6567,0.6638 145k,0.6819,,0.6669,0.6725 150k,0.6835,,,0.6788 155k,0.6748,,0.663,0.6922 160k,0.6875,,0.6748,0.6811 165k,0.6788,,0.6725, 170k,0.6938,,0.6725,0.6717 175k,0.6938,,0.6693,0.689 180k,0.6977,,0.674,0.6685 185k,0.6875,,0.6811,0.6851 190k,0.6914,,,0.6693 195k,0.6859,,,0.6756 200k,0.6875,,,0.7017 205k,0.7072,,,0.6827 210k,0.6859,,,0.6882 215k,0.7017,,,0.6922 220k,0.704,,,0.6969 225k,0.7111,,,0.6756 230k,0.7103,,,0.7096 235k,0.704,,,0.7096 240k,0.708,,, 245k,0.6985,,, 250k,0.7127,,, 255k,0.7119,,, 260k,0.7056,,, 265k,0.704,,, 270k,0.7111,,, 275k,0.7127,,, 280k,0.7064,,, 285k,0.7096,,, 290k,,,, 300k,,,, 305k,,,, 310k,,,, 315k,,,, 320k,,,, 325k,,,, 330k,,,, 335k,,,,