something i really don't understand! i made different layer for my render. i have 5 layers, i set for everyone: layer to render, layer to exclude and eventualy also the mask layer.
if i render from composer editor every single node (clicking in render button in render layer node) i don't have problems!
when i start the render (f12) i have render out memory problems on last renderlayer!
every renderlayer work good but in rendering information i see the memory usage sum to previous renderlayer
example: when renderlayer1 finish mem = 100, when renderlayer2 start mem = 101, when finish mem = 200, when renderlayer3 start mem = 201!!!
in this way my GPU memory go full before finish the rendering!!!
N.B.: the last render layer is rendering just 1 layer, excluding all objects layers (keeping just layer for commons light) and have no mask layer active. if i render just this render layer i give to me 991M Mem usage. when i render this from f12 render i give me out memory over 3200M mem usage!!
i can set something for clear memory every render layer?