turn times

As stated above: playing standard settings. After 60-70 turns, time in between turns is getting unbarebly slow (over a minute). Tried altering the settings to very low, but it isn't helping. Is anyone else experiencing the same and does anyone know a solution?

So I'm playing civ VI on an acer aspire v3 notebook from 2012 with i7-3630qm 2,4 ghz, 8 gb ddr3 RAM, win 8, gt 650m 2 gb ddr3, hdd. I recently updated my GPU driver. My turn times are really bad. I only ever play on small maps, but game becomes increasingly unplayable. When I'm past 100 turns...