SagTree: Towards Efficient Mutation in Evolutionary Circuit Approximation

This repository provides source codes in Verilog of the circuits used as seeds in experiments in our paper SagTree: Towards Efficient Mutation in Evolutionary Circuit Approximation

For more details please follow this article:

ČEŠKA Milan, MATYÁŠ Jiří, MRÁZEK Vojtěch, SEKANINA Lukáš, VAŠÍČEK Zdeněk and VOJNAR Tomáš. SagTree: Towards Efficient Mutation in Evolutionary Circuit Approximation. Swarm and Evolutionary Computation, vol. 69, no. 100986, 2022, pp. 1-10. ISSN 2210-6502. Available from: https://www.sciencedirect.com/science/article/pii/S2210650221001486

Circuits

The seed circuits are accurate - i.e., no error was injected to the code.

Circuit	Inputs bitwidth	Output bitwidth	Function	File link
8-bit adder	8, 8	9	A + B	add_8-8.v
16-bit adder	16, 16	17	A + B	add_16-16.v
31-bit divider	31, 16	16	A / B	div_31-16.v
15-bit divider	15, 8	8	A / B	div_15-8.v
8-bit MAC	8, 8, 16	17	(A * B) + C	mac_8-8-16.v
16-bit MAC	16, 16, 32	33	(A * B) + C	mac_16-16-32.v
8-bit multiplier	8, 8	16	A * B	mult_8-8.v
16-bit multiplier	16, 16	32	A * B	mult_16-16.v
8-bit square	8	16	A^2	square_8.v
16-bit square	16	32	A^2	square_16.v