# File lib/fog/compute/models/rackspace/flavor.rb, line 19
        def cores
          # 2 quad-cores >= 2Ghz = 8 cores
          8 * case ram
          when 256
            1/64.0
          when 512
            1/32.0
          when 1024
            1/16.0
          when 2048
            1/8.0
          when 4096
            1/4.0
          when 8192
            1/2.0
          when 15872
            1
          end
        end