[PD] [PD-dev] extremely fast pure pd [list-drip] (fwd)

[Frank Barknecht]

Hallo Mathieu,

wow, cool. But now I'll have to digest the algorithm ...

Anyway: Would it be okay to use it in [list]-abs which has Pd's BSD
license?

Ciao
-- 
Frank

Mathieu Bouchard hat gesagt: // Mathieu Bouchard wrote:

>
> seems like it would fit better on this mailing-list.
>
> ---------- Forwarded message ----------
> Date: Wed, 25 Feb 2009 11:38:27 -0500 (EST)
> From: Mathieu Bouchard <matju at artengine.ca>
> To: Frank Barknecht <fbar at footils.org>
> Cc: pd-dev at iem.at
> Subject: [PD-dev] extremely fast pure pd [list-drip]
>
> On Wed, 25 Feb 2009, Frank Barknecht wrote:
>
>> such a standard library would define an *interface* for standard
>> objects. Where performance is an issue, the interface could alternatively
>> implemented with externals. This also is exemplified in [list]-abs,
>> where personally I use a version of [list-drip] that has zexy's [drip]
>> inside for speed reasons. It behaves exactly like the abstraction
>> version so it doesn't matter if people don't have zexy installed.
>
> i just made a pure-pd [list-drip] that is much much quicker for large 
> lists than your pure pd [list-drip].
>
> For a list of size 32768, I find it to be at least 250 times faster.
>
> For a list of size 4096, it's at least 24 times faster.
>
> See attachment.
>
>  _ _ __ ___ _____ ________ _____________ _____________________ ...
> | Mathieu Bouchard - tél:+1.514.383.3801, Montréal, Québec

> #N canvas 0 0 450 300 10;
> #X obj 33 54 t a a;
> #X obj 33 111 spigot;
> #X obj 72 73 bang;
> #X obj 72 92 1;
> #X obj 160 54 route bang;
> #X obj 151 73 bang;
> #X obj 151 92 0;
> #X obj 72 54 list split 2;
> #X obj 71 178 list split;
> #X obj 100 130 list length;
> #X obj 100 149 >> 1;
> #X obj 33 130 t a a a a;
> #X obj 33 266 list split;
> #X obj 52 202 list length;
> #X obj 52 221 >> 1;
> #X obj 33 19 inlet;
> #X obj 234 54 outlet;
> #X text 75 19 Copyright 2009 by Mathieu Bouchard;
> #X connect 0 0 1 0;
> #X connect 0 1 7 0;
> #X connect 1 0 11 0;
> #X connect 2 0 3 0;
> #X connect 3 0 1 1;
> #X connect 4 1 16 0;
> #X connect 5 0 6 0;
> #X connect 6 0 1 1;
> #X connect 7 0 2 0;
> #X connect 7 2 4 0;
> #X connect 7 2 5 0;
> #X connect 8 0 0 0;
> #X connect 9 0 10 0;
> #X connect 10 0 8 1;
> #X connect 11 0 12 0;
> #X connect 11 1 13 0;
> #X connect 11 2 8 0;
> #X connect 11 3 9 0;
> #X connect 12 1 0 0;
> #X connect 13 0 14 0;
> #X connect 14 0 12 1;
> #X connect 15 0 0 0;

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-- 
 Frank Barknecht            Do You RjDj.me?          _ ______footils.org__