require 'benchmark'
puts Benchmark.measure { (1..100_000).each { |i| "HDMI_CEC_CEC".split("_")}}
puts Benchmark.measure { (1..100_000).each { |i| "HDMI_CEC_CEC".scan(/[^_]+/)}}
cmVxdWlyZSAnYmVuY2htYXJrJwoKcHV0cyBCZW5jaG1hcmsubWVhc3VyZSB7ICgxLi4xMDBfMDAwKS5lYWNoIHsgfGl8ICJIRE1JX0NFQ19DRUMiLnNwbGl0KCJfIil9fQpwdXRzIEJlbmNobWFyay5tZWFzdXJlIHsgKDEuLjEwMF8wMDApLmVhY2ggeyB8aXwgIkhETUlfQ0VDX0NFQyIuc2NhbigvW15fXSsvKX19Cg==