DragonFlyBSD's Meltdown Fix Causing More Slowdowns Than Linux

Written by Michael Larabel in Operating Systems on 7 January 2018 at 04:06 PM EST. Page 4 of 5. 37 Comments.

In a few of the CPU benchmarks, there were small performance recessions as a result of this Meltdown vulnerability fix.

GraphicsMagick appears particularly affected by machdep.isolated_user_pmap. It's not too dramatic, but still measurable.

The timed compilation process is also a tiny bit slower now.

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