Added cache to make food map

Author: thomasball42

prepare_layers/make_food_current_map.py

@@ -8,6 +8,8 @@
 from multiprocessing import Manager, Process, cpu_count
 from queue import Queue
 from typing import NamedTuple
+from osgeo import gdal
+gdal.SetCacheMax(4 * 1024 * 1024 * 1024)
 
 import numpy as np
 import yirgacheffe as yg