srisc version sizes

srisc1

Total logic elements : 16 / 33,216 ( < 1 % )
    Total combinational functions : 16 / 33,216 ( < 1 % )
    Dedicated logic registers : 8 / 33,216 ( < 1 % )
Total registers : 8
Total memory bits : 8,192 / 483,840 ( 2 % )

instruction memory: 256*32 = 8192 bits

PC register: 8 FF

time required to access memory is about 12 ns.

srisc2

Total logic elements : 1,195 / 33,216 ( 4 % )
    Total combinational functions : 747 / 33,216 ( 2 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

register file: 31*32	992 FF
PC register	8 FF
TOTAL	1000 FF

time to results is about 19 ns.

srisc3

Total logic elements : 1,593 / 33,216 ( 5 % )
    Total combinational functions : 1,592 / 33,216 ( 5 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

time to results is about 24 ns.

srisc4

Total logic elements : 2,071 / 33,216 ( 6 % )
    Total combinational functions : 2,050 / 33,216 ( 6 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

time to results is about 29 ns.

srisc5

Total logic elements : 2,069 / 33,216 ( 6 % )
    Total combinational functions : 2,047 / 33,216 ( 6 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

srisc6

Total logic elements : 2,077 / 33,216 ( 6 % )
    Total combinational functions : 2,054 / 33,216 ( 6 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

srisc7

Total logic elements : 2,170 / 33,216 ( 7 % )
    Total combinational functions : 2,149 / 33,216 ( 6 % )
    Dedicated logic registers : 1,000 / 33,216 ( 3 % )
Total registers : 1000
Total memory bits : 8,192 / 483,840 ( 2 % )

srisc8

Total logic elements : 2,191 / 33,216 ( 7 % )
    Total combinational functions : 2,191 / 33,216 ( 7 % )
    Dedicated logic registers : 1,003 / 33,216 ( 3 % )
Total registers : 1003
Total memory bits : 8,192 / 483,840 ( 2 % )

srisc9

Total logic elements : 2,357 / 33,216 ( 7 % )
    Total combinational functions : 2,357 / 33,216 ( 7 % )
    Dedicated logic registers : 1,035 / 33,216 ( 3 % )
Total registers : 1035
Total memory bits : 8,192 / 483,840 ( 2 % )

Maintained by John Loomis, last updated 27 October 2008