From: Yukihiro Matsumoto <matz@...>
Date: 2011-06-07T22:46:29+09:00
Subject: [ruby-core:36818] Re: [Ruby 1.9 - Feature #4845] Provide Class#cb_object_instantiated_from_literal(object)

Hi,

In message "Re: [ruby-core:36809] [Ruby 1.9 - Feature #4845] Provide Class#cb_object_instantiated_from_literal(object)"
    on Tue, 7 Jun 2011 18:42:34 +0900, Lazaridis Ilias <ilias@lazaridis.com> writes:

|Nobuyoshi Nakada wrote:
|> > * minimal overhead if not used (C-level if *ptr available, call)
|> 
|> Not true.
|
|I admit I don't know your current implementation.
|Can you please point me to the relevant source code?

Method invocation is far slower than C function call.  And most of the
time was spent in method look-up.  So checking existence of
cb_object_instantiated_from_literal (that requires method look-up)
would have huge performance impact.

							matz.