Adders

8 builds compete: 16-bit horizontal adders of every design.

Fastest

#	Build	Latency	Volume
1	16-bit Adder embizone	5 ticks	13702 blocks
2	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1440 blocks per copy
3	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1536 blocks per copy
3	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1536 blocks per copy
5	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1792 blocks per copy
6	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	2048 blocks per copy
7	16-bit torchless Ripple Carry Adder 16 copies of a 1-bit build, stacked Alex_you	49 ticks	960 blocks per copy
8	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked Ammorth	66 ticks	2240 blocks per copy

Smallest

#	Build	Volume	Latency
1	16-bit torchless Ripple Carry Adder 16 copies of a 1-bit build, stacked Alex_you	960 blocks per copy	49 ticks
2	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1440 blocks per copy	36 ticks
3	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1536 blocks per copy	36 ticks
3	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1536 blocks per copy	36 ticks
5	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	1792 blocks per copy	36 ticks
6	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	2048 blocks per copy	36 ticks
7	16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked Ammorth	2240 blocks per copy	66 ticks
8	16-bit Adder embizone	13702 blocks	5 ticks

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 Adder embizone	5 ticks	13702 blocks
16-bit alpha Ripple Carry Adder 16 copies of a 1-bit build, stacked	36 ticks	1440 blocks per copy
16-bit torchless Ripple Carry Adder 16 copies of a 1-bit build, stacked Alex_you	49 ticks	960 blocks per copy