From: "rosenfeld (Rodrigo Rosenfeld Rosas)" <rr.rosas@...>
Date: 2013-07-16T10:11:59+09:00
Subject: [ruby-core:56034] [CommonRuby - Feature #8640] Add Time#elapsed to return nanoseconds since creation


Issue #8640 has been updated by rosenfeld (Rodrigo Rosenfeld Rosas).


+1
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Feature #8640: Add Time#elapsed to return nanoseconds since creation
https://bugs.ruby-lang.org/issues/8640#change-40522

Author: tenderlovemaking (Aaron Patterson)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 


Hi,

We time many things in Rails (and so does lots of other code), and I've found that we spend lots of time allocating and subtracting time objects.  For example:

start = Time.now
##  do stuff we want to time
finish = Time.now - start

It would be nice if we could just create one time object and grab the nanoseconds elapsed since the time object was created like so:

start = Time.now
## do stuff we want to time
finished = start.elapsed # => nanoseconds elapsed.

I've attached a patch that implements this feature.


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