Aging

Here is another page aging example. It is similar to the one in the book, except time grows down, and a bit less compressed.

Ref Bits	Age 0	Age 1	Age 2	Age 3	Age 4	Age 5	Age 6	Age 7
0 0 0 0 0 0 0 0	00000000	00000000	00000000	00000000	00000000	00000000	00000000	00000000	Initial
1 0 1 1 0 1 1 0									Running pgm sets bits
	10000000	00000000	10000000	10000000	00000000	10000000	10000000	00000000	Shift refs and clear
0 0 1 1 0 0 0 1									Running pgm sets bits
	01000000	00000000	11000000	11000000	00000000	01000000	01000000	10000000	Shift refs and clear
1 1 1 1 0 0 0 0									Running pgm sets bits
	10100000	10000000	11100000	11100000	00000000	00100000	00100000	01000000	Shift refs and clear
0 1 1 0 0 1 0 0									Running pgm sets bits
	01010000	11000000	11110000	01110000	00000000	10010000	00010000	00100000	Shift refs and clear
1 1 0 1 1 0 1 1									Running pgm sets bits
	10101000	11100000	01111000	10111000	10000000	01001000	10001000	10010000	Shift refs and clear
0 0 0 1 1 0 1 0									Running pgm sets bits
	01010100	01110000	00111100	11011100	11000000	00100100	11000100	01001000	Shift refs and clear
1 1 1 1 0 1 1 1									Running pgm sets bits
	10101010	10111000	10011110	11101110	01100000	10010010	11100010	10100100	Shift refs and clear
0 0 0 1 0 0 0 0									Running pgm sets bits
	01010101	01011100	01001111	11110111	00110000	01001001	01110001	01010010	Shift refs and clear
0 0 1 0 0 1 1 0									Running pgm sets bits
	00101010	00101110	10100111	01111011	00011000	10100100	10111000	00101001	Shift refs and clear
1 0 1 1 0 1 0 0									Running pgm sets bits
	10010101	00010111	11010011	10111101	00001100	11010010	01011100	00010100	Shift refs and clear
0 0 1 0 0 1 0 0									Running pgm sets bits
	01001010	00001011	11101001	01011110	00000110	11101001	00101110	00001010	Shift refs and clear