Am 05.01.2017 um 16:35 schrieb Bart via Lazarus: > filling a 1000x1000 TStringTable just cost me 76 ms. > A 5000x5000 table however cost me 1248 ms. Amazing. I tried the AVLTree used by fpspreadsheet and it needs 0.37 sec for 1000x1000 and 10.3 sec for 5000x5000.