World: r3wp
[!REBOL3-OLD1]
older newer | first last |
Steeve 27-May-2009 [14408] | parse/all |
BrianH 27-May-2009 [14409x2] | That's an error - using /all shouldn't fix it because there are no spaces there. |
Write it up in CureCode. | |
Oldes 27-May-2009 [14411] | hm.. than it's ok... BUT there are no spaces inside the string, so why /all ? |
BrianH 27-May-2009 [14412] | Because it's a bug. |
Oldes 27-May-2009 [14413] | yes... I was slower than you:) |
BrianH 27-May-2009 [14414x2] | A bug in PARSE. |
Sorry, my AltME is slow today. | |
Steeve 27-May-2009 [14416] | well, actually i didn't found the bug, it's Brian |
BrianH 27-May-2009 [14417] | In R2 the underlying data of strings and binaries is the same: bytes. In R3, strings are made up of Unicode codepoints, binaries of bytes. |
Oldes 27-May-2009 [14418] | Anyway.. I almost always use parse with /all in R2. |
Steeve 27-May-2009 [14419] | me too |
BrianH 27-May-2009 [14420] | Same here. I never was good at predicting what PARSE without /all would do, exactly. |
Steeve 27-May-2009 [14421] | yep, it's why i didn't saw that bug in R3 |
shadwolf 27-May-2009 [14422] | we need serrious doc on parse i'm sure i could use parse more if i had some serrious explain of it |
Oldes 27-May-2009 [14423] | Parse is the main reason why I use REBOL:) |
shadwolf 27-May-2009 [14424x8] | I too i love parse and i'm sad to not understand it enough to exploit it to its extend |
oldes i'm doing irc client with colot text support that's fun i tool your irc-core as base | |
and that's the kind of application where the use of parse to colorise the text would be fantastique | |
oldes i'm doing irc client with color text support that's fun i took your irc-core as base | |
actually i'm thinking about the best way to handle client side texte in color | |
for example i would like to make it something like 1 color for server messages then 1 color for each chat you enter in | |
and 1 color for private message | |
you could enter 5 différente channel and see them all in the same window no need to switch channel to follow it | |
Oldes 27-May-2009 [14432] | I prefere multiple channels:) |
shadwolf 27-May-2009 [14433x4] | hum ... yeah but that's a pain to have to switch betwin them |
i think i will do that anyway since it's so usual way to handle chatting | |
i just hope memory will not explode lol | |
i will do a treeview with the server name as root and as leaf channel name you entered clickin on root you have the server messages displayed clicking on leaf you have the channel displayed | |
Steeve 27-May-2009 [14437] | Wow, reduce/into, compose/into at least... Great improvement ! |
Maxim 27-May-2009 [14438x2] | yes that is major ! |
thanks Brian! | |
BrianH 28-May-2009 [14440] | I've been waiting for this siince last year. I posted a comment about usage :) |
Graham 28-May-2009 [14441] | retro-fittable to R2 ? |
BrianH 28-May-2009 [14442x3] | We'll see. Native changes to R2 are not as easy as mezzanine changes. This one doesn't seem to depend on new R3 structures, but... |
R2 is not really in new-native-feature mode for the forseeable future, but we'll see what can be backported. | |
Changes in individual functions are more likely than changes in types or data structures. | |
Steeve 28-May-2009 [14445x5] | it's curious that Carl is not aware of the "chaining" use of INSERT !!!! |
If we don't have the "chaining" behavior with reduce/into, then we will lost some speed in loops (because of the need to update the index of the serie separatly after each iteration). | |
Curious objection from Carl (The users may be unable to understand how to use it) Uh ????? | |
i want some proofs that we actually use "chaining" insertions ? I can send him some dozen of old scripts if he wants... :-) | |
*he wants | |
BrianH 28-May-2009 [14450x2] | He's aware of the value of chaining, but is wary of the "bug" reports he already gets about INSERT. Apparently there is some tiny amount of overhead too, which for a function as low-level as REDUCE might matter. "Penny wise, pound foolish" - I'm trying to convince him otherwise. |
We can save much more overhead by replacing chained inserts in the mezzanines. COMPOSE/into will have massive impact :) | |
Steeve 28-May-2009 [14452] | Actually, the first optimization i do in my scripts which need speed and low memory usage, is to remove all the reduce and compose usage. It's always the first thing i do |
BrianH 28-May-2009 [14453] | Now, you will be replacing REDUCE and COMPOSE with REDUCE/into and COMPOSE/into and preallocated or reused buffers :) |
Maxim 28-May-2009 [14454x3] | but this optimization isn't always possible. when nests are deep and composes are chained within each other, you can't just chain insert and remain sane ;-) |
with liquid-paint, this would have MASSIVE impact. | |
although liquid-paint is already much faster than AGG and lazy so the gains might not be as noticeable, but still I can't wait to have time to try and port my stuff to R3, it does seem to be much more series stable, by all accounts. | |
BrianH 28-May-2009 [14457] | Nested REDUCE and COMPOSE is not that common outside of code generation and nested data structure creation. I do that a lot, but I write my own mezzanines and some of them compile internally. I can think of many mezzanines that could be sped up with /into. |
older newer | first last |