EnhanceIO, Bcache & DM-Cache Benchmarked Written by Michael Larabel in Linux Kernel on 11 June 2013 at 11:21 AM EDT. 4 Comments Three different Linux disk caching methods for the Linux kernel were compared: EnhanceIO, Bcache, and DM-Cache. But which of these disk caching methods is the fastest when mixing SSDs and HDDs? Here's some results. A Linux engineer at STEC Inc compared the performance of