Version 4
SHEET 1 880 680
WIRE 112 128 96 128
WIRE 128 128 112 128
WIRE 176 128 160 128
WIRE 192 128 176 128
WIRE 96 144 96 128
WIRE 192 144 192 128
WIRE 96 240 96 224
WIRE 192 240 192 224
FLAG 112 128 1
FLAG 96 240 0
FLAG 192 240 0
FLAG 176 128 2
SYMBOL voltage 96 128 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 1 {f})
SYMBOL bv 192 128 R0
SYMATTR InstName B1
SYMATTR Value V=time*V(1)
TEXT -56 120 Left 0 !.tran 1
TEXT -56 -152 Left 0 ;Graphics Card Bottleneck?\n \n1) Look at run times in the SPICE Error Log and compare\ntimes with plot window displayed verses it being minimized\n(a ratio of almost 20:1 with an integrated graphics laptop).\n \n2) Maximize the plot window, then right mouse button click\nto select each step individually and note redraw time.
TEXT 288 120 Left 0 !.save V(1) V(2)
TEXT 288 152 Left 0 !.step param f list 40k 400