v4/lz4 / base/lz4: median of per-round ratios [min, max] over 6 rounds
  docs 4000 load: 0.99 [0.89, 1.04]
  docs 4000 prefix: 0.99 [0.90, 1.02]
  docs 4000 read_all: 0.99 [0.90, 1.02]
  docs 4000 slice: 0.98 [0.92, 1.01]
  docs 32000 load: 1.00 [0.91, 1.02]
  docs 32000 prefix: 1.00 [0.85, 1.09]
  docs 32000 read_all: 0.99 [0.91, 1.01]
  docs 32000 slice: 0.99 [0.90, 1.02]
  docs 1000000 load: 1.00 [0.97, 1.04]
  docs 1000000 prefix: 1.00 [0.92, 1.08]
  docs 1000000 read_all: 0.99 [0.83, 1.28]
  docs 1000000 slice: 0.99 [0.93, 1.08]
  json 4000 load: 1.01 [0.92, 1.06]
  json 4000 prefix: 1.00 [0.85, 1.04]
  json 4000 read_all: 0.97 [0.90, 1.04]
  json 4000 slice: 0.99 [0.92, 1.02]
  json 32000 load: 0.98 [0.94, 1.11]
  json 32000 prefix: 0.98 [0.93, 1.08]
  json 32000 read_all: 0.99 [0.94, 1.06]
  json 32000 slice: 1.03 [0.95, 1.05]
  json 1000000 load: 1.00 [0.97, 1.13]
  json 1000000 prefix: 1.06 [0.94, 1.11]
  json 1000000 read_all: 0.98 [0.91, 1.07]
  json 1000000 slice: 1.00 [0.90, 1.04]
  random 4000 load: 1.01 [0.92, 1.13]
  random 4000 prefix: 0.99 [0.89, 1.04]
  random 4000 read_all: 1.01 [0.93, 1.07]
  random 4000 slice: 0.99 [0.91, 1.01]
  random 32000 load: 0.99 [0.96, 1.02]
  random 32000 prefix: 1.02 [0.90, 1.19]
  random 32000 read_all: 1.00 [0.91, 1.00]
  random 32000 slice: 0.98 [0.90, 1.04]
  random 1000000 load: 1.05 [0.78, 1.17]
  random 1000000 prefix: 1.09 [1.00, 1.27]
  random 1000000 read_all: 0.97 [0.93, 1.24]
  random 1000000 slice: 1.09 [0.92, 1.27]