For sure. So using some tests I had while testing mem <-> fst segment serialization, as a poor man's benchmark:
# pilosa
❯ time go test ./index/segment/tests -count=10
ok github.com/m3db/m3ninx/index/segment/tests 2.192s
/Users/prungta/code/go1.10.2/bin/go test ./index/segment/tests -count=10 3.81s user 0.47s system 131% cpu 3.266 total
# roaring binary
❯ time go test ./index/segment/tests -count=10