May 19 2015 For Rails 5 we’re massively speeding up rendering collections of cached partials. Check this out: That’s for a template with a simulated render time of at least 30 ms using the Active Support file cache store. On average the cached renders were 55 times faster. It started simple enough. A plea for integrating a gem into Rails. By merging the multi_fetch_fragments gem, we could do <%= r