Adders

9 builds compete: 8-bit horizontal adders of every design.

Fastest

#	Build	Latency	Volume
1	8-bit Carry Lookahead Adder properinglish	4 ticks	6175 blocks
2	8-bit alpha Carry Lookahead Adder embizone	10 ticks	3971 blocks
3	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	720 blocks per copy
4	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	768 blocks per copy
4	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	768 blocks per copy
6	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	896 blocks per copy
7	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	1024 blocks per copy
8	8-bit torchless Ripple Carry Adder 8 copies of a 1-bit build, stacked Alex_you	25 ticks	480 blocks per copy
9	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked Ammorth	34 ticks	1120 blocks per copy

Smallest

#	Build	Volume	Latency
1	8-bit torchless Ripple Carry Adder 8 copies of a 1-bit build, stacked Alex_you	480 blocks per copy	25 ticks
2	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	720 blocks per copy	20 ticks
3	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	768 blocks per copy	20 ticks
3	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	768 blocks per copy	20 ticks
5	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	896 blocks per copy	20 ticks
6	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	1024 blocks per copy	20 ticks
7	8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked Ammorth	1120 blocks per copy	34 ticks
8	8-bit alpha Carry Lookahead Adder embizone	3971 blocks	10 ticks
9	8-bit Carry Lookahead Adder properinglish	6175 blocks	4 ticks

Most compact at each latency

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

Build	Latency	Volume
8-bit Carry Lookahead Adder properinglish	4 ticks	6175 blocks
8-bit alpha Carry Lookahead Adder embizone	10 ticks	3971 blocks
8-bit alpha Ripple Carry Adder 8 copies of a 1-bit build, stacked	20 ticks	720 blocks per copy
8-bit torchless Ripple Carry Adder 8 copies of a 1-bit build, stacked Alex_you	25 ticks	480 blocks per copy