DCRAW Mac
Intel Core i5 testing with a iMac and AMD Radeon HD 6750M 512MB on macOS 10.12.6 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1708183-TR-DCRAWMAC858.
dcraw
RAW To PPM Image Conversion
Phoronix Test Suite v10.8.4