PERF

[stefanpenner]

• pre-sort payload from server, so first load needs no sorting
• store updated times as seconds since epoc (number) that way comparison / parsing is much simpler/faster.
• make sortProperties flat https://github.com/gcollazo/ember-cli-addon-search/blob/master/app/components/em-list.js#L51 no foo.bar only foo
• skip Ember.compare when sorting over a very large diverse set this can be unfortunately slow due to how flexible it is. Rather we should try to only sort via number compare or localecompare

[stefanpenner]

array.sort() sorting overhead today is pretty hefty: