Research Article

High Efficiency Generalized Parallel Counters for Look-Up Table Based FPGAs

Table 2

Performance comparison of different GPCs on XC5VLX30-2FF324.

GPCsXC5VLX30-2FF324XC6VLX75T-2FF484XC7K70T-2FBG676
PreviousProposedPreviousProposedPreviousProposed
LUTsPDPLUTsPDPLUTsPDPLUTsPDPLUTsPDPLUTsPDP

GPCs from [9]
(3; 2)10.00810.00810.02110.02110.00710.007
(6; 3)30.02120.01930.05420.0530.01820.017
(1, 5; 3)30.02110.01530.05410.03930.01810.013

GPCs from [8]
(6; 3)40.04320.01940.11420.0540.03920.017
(1, 5; 3)30.02410.01530.06110.03930.02110.013
(2, 3; 3)30.02410.01530.06110.03930.02110.013
(7; 3)40.04120.0340.11820.08540.03920.028
(1, 6; 4)40.04130.03540.11830.09840.03930.032
(3, 5; 4)40.04120.03240.11820.09140.03920.03
(4, 4; 4)40.04130.03540.11830.09840.03930.032
(5, 3; 4)40.04130.02240.11830.05740.03930.019
(6, 2; 4)40.04120.03240.11820.09140.03920.03

GPCs from [15]
(6; 3)30.04120.01930.10530.0530.03630.017
(1, 5; 3)20.02110.01520.05320.03920.01820.013
(2, 3; 3)20.02110.01520.05320.03920.01820.013
(7; 3)30.03620.0330.10230.08530.03430.028
(5, 3; 4)30.03630.02230.10230.05730.03430.019
(6, 2; 4)30.03620.03230.10230.09130.03430.03
(5, 0, 6; 5)40.02640.02640.06340.06340.02240.021
(1, 4, 1, 5; 5)40.02620.02140.06340.05140.02240.017
(1, 4, 0, 6; 5)40.03330.0340.06640.06140.02340.02
(2, 0, 4, 5; 5)40.04340.04340.07940.07940.02740.027