1. A decoder comprising: a compression module configured to select one or more nodes from a plurality of nodes associated with data being decoded by the decoder, wherein each of the plurality of nodes includes a plurality of bits, and wherein the plurality of bits associated with one of the plurality of nodes includes (i) a first bit indicating whether a current estimate associated with the one of the plurality of nodes is flipped relative to a prior value of the current estimate and (ii) a second bit indicating reliability of the current estimate; and compress the plurality of bits associated with the selected one or more nodes to generate compressed information; and a memory configured to store the compressed information associated with the selected one or more nodes.