+++ title = "Carry-Save Adder" date = "2022-11-09" author = "Yann Herklotz" tags = [] categories = [] backlinks = ["5b3", "5b1a"] forwardlinks = ["5b1a"] zettelid = "5b1b" +++ The carry-save adder is interesting because it allows you to add $n > 2$ numbers together in a very parallel way, where the carries are then reconciled in the end using a standard carry-propagate adder ([\#5b1a]). This is done by having an array of full-adders which don't feed the carry into the next full-adder, but instead save the carry for the end. [\#5b1a]: /zettel/5b1a