DCRAW
Intel Core i5-8250U testing with a HP 8486 v72.19 and Intel UHD 620 on Ubuntu 18.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1902081-KH-DCRAW516406.
dcraw
RAW To PPM Image Conversion
Phoronix Test Suite v10.8.4