Adders

13 builds compete: 16-bit adders of every design.

Fastest

#	Build	Latency	Volume
1	16-bit Carry Cancel Adder 2 copies of a 8-bit build, stacked unnecessarymb	4 ticks	2560 blocks per copy
2	16-bit Hybrid Adder Koyarno	4 ticks	32604 blocks
3	16-bit Adder embizone	5 ticks	13702 blocks
4	16-bit Carry Look Everywhere Adder Koyarno	5 ticks	28880 blocks
5	16-bit torchless Carry Cancel Adder Aminotreal	7 ticks	1960 blocks
6	16-bit Ripple Carry Adder 16 copies of a 1-bit build, stacked unnecessarymb	34 ticks	768 blocks per copy
7	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1440 blocks per copy
8	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1536 blocks per copy
8	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1536 blocks per copy
10	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1792 blocks per copy

And 3 more.

Smallest

#	Build	Volume	Latency
1	16-bit Ripple Carry Adder 16 copies of a 1-bit build, stacked unnecessarymb	768 blocks per copy	34 ticks
2	16-bit torchless Ripple Carry Adder 16 copies of a 1-bit build, stacked Alex_you	960 blocks per copy	49 ticks
3	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1440 blocks per copy	36 ticks
4	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1536 blocks per copy	36 ticks
4	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1536 blocks per copy	36 ticks
6	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1792 blocks per copy	36 ticks
7	16-bit torchless Carry Cancel Adder Aminotreal	1960 blocks	7 ticks
8	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	2048 blocks per copy	36 ticks
9	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked Ammorth	2240 blocks per copy	66 ticks
10	16-bit Carry Cancel Adder 2 copies of a 8-bit build, stacked unnecessarymb	2560 blocks per copy	4 ticks

And 3 more.

Most compact at each latency

Each is smaller than every build at least as fast, so going slower buys space.

Build	Latency	Volume
16-bit Carry Cancel Adder 2 copies of a 8-bit build, stacked unnecessarymb	4 ticks	2560 blocks per copy
16-bit torchless Carry Cancel Adder Aminotreal	7 ticks	1960 blocks
16-bit Ripple Carry Adder 16 copies of a 1-bit build, stacked unnecessarymb	34 ticks	768 blocks per copy