Straw is a fast implementation of reading/dump for .hic files
remotes::install_github("aidenlab/straw/R")# <NONE/VC/VC_SQRT/KR> <hicFile(s)> <chr1>[:x1:x2] <chr2>[:y1:y2] <BP/FRAG> <binsize>
hic.data.frame <- strawr::straw("KR", "/path/to/file.hic", "11", "11", "BP", 10000)