[#5322] O(1) performance for insertions/deletions at the front of an Array/String — Eric Mahurin <eric_mahurin@...>

I just did some benchmarks on push, pop, shift, and unshift

24 messages 2005/07/01
[#5338] Re: O(1) performance for insertions/deletions at the front of an Array/String — Mathieu Bouchard <matju@...> 2005/07/02

On Fri, 1 Jul 2005, Eric Mahurin wrote:

[#5348] Re: O(1) performance for insertions/deletions at the front of an Array/String — Eric Mahurin <eric_mahurin@...> 2005/07/02

--- Mathieu Bouchard <matju@artengine.ca> wrote:

[#5357] Re: O(1) performance for insertions/deletions at the front of an Array/String — Mathieu Bouchard <matju@...> 2005/07/03

On Sat, 2 Jul 2005, Eric Mahurin wrote:

[#5359] Re: O(1) performance for insertions/deletions at the front of an Array/String — Eric Mahurin <eric_mahurin@...> 2005/07/03

--- Mathieu Bouchard <matju@artengine.ca> wrote:

[#5361] Re: O(1) performance for insertions/deletions at the front of an Array/String — Mathieu Bouchard <matju@...> 2005/07/03

On Sun, 3 Jul 2005, Eric Mahurin wrote:

[#5362] Re: O(1) performance for insertions/deletions at the front of an Array/String — Eric Mahurin <eric_mahurin@...> 2005/07/03

--- Mathieu Bouchard <matju@artengine.ca> wrote:

[#5365] Re: O(1) performance for insertions/deletions at the front of an Array/String — Yukihiro Matsumoto <matz@...> 2005/07/04

Hi,

[#5367] Re: O(1) performance for insertions/deletions at the front of an Array/String — Eric Mahurin <eric_mahurin@...> 2005/07/04

--- Yukihiro Matsumoto <matz@ruby-lang.org> wrote:

[#5368] Re: O(1) performance for insertions/deletions at the front of an Array/String — Yukihiro Matsumoto <matz@...> 2005/07/04

Hi,

[#5372] Re: O(1) performance for insertions/deletions at the front of an Array/String — Florian Gro<florgro@...> 2005/07/04

Yukihiro Matsumoto wrote:

[#5420] Sydney Developer Preview 1 released — Evan Webb <evanwebb@...>

Sydney, an experimental ruby interpreter, has been released!

15 messages 2005/07/11
[#5424] Re: [ANN] Sydney Developer Preview 1 released — Evan Webb <evanwebb@...> 2005/07/12

Thanks everyone for the feedback so far!

Re: O(1) performance for insertions/deletions at the front of an Array/String

From: Nikolai Weibull <mailing-lists.ruby-core@...>
Date: 2005-07-03 23:11:32 UTC
List: ruby-core #5363
Eric Mahurin wrote:

> The main difference I saw was that a character would be
> represented as String rather than a Fixnum.  I'd rather see it
> remain an Integer to handle the unicode encodings - Fixnum when
> that is enough and Bignum where needed.  That would give better
> compatibility.  And efficiency when dealing with encodings that
> fit in a Fixnum.

Eh, it's hardly a problem of having something to store Unicode
codepoints in.  A Unicode codepoint fits in 21 bits,
        nikolai

-- 
Nikolai Weibull: now available free of charge at http://bitwi.se/!
Born in Chicago, IL USA; currently residing in Gothenburg, Sweden.
main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}

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