Re: Baby X is bor nagain

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Sujet : Re: Baby X is bor nagain
De : malcolm.arthur.mclean (at) *nospam* gmail.com (Malcolm McLean)
Groupes : comp.lang.c
Date : 17. Jun 2024, 21:17:25
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <v4q245$si2n$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
User-Agent : Mozilla Thunderbird
On 17/06/2024 17:21, David Brown wrote:
On 17/06/2024 17:48, Malcolm McLean wrote:
 
Using C without optimisation is like driving a car but refusing to go out of first gear.  You would probably have been better off with a bicycle or driving a tank, according to the task at hand.
 
I drive C in first gear when I'm developing, which means that the car is given instructions to go to the right place and obey all, the rules of the road. But it never gets out of frst gear when I'm driving it. However because of the nature of what we do, which is interactivce programming mostly, usually "just noticeable" time is sufficient. It's a bit like driving in London - a top of the range sports car is no better than a beat up old mini, they travel at the same speed because of all the interactions.
They I had it over to the deployment team, and they take the restraints off, and allow it to go up to top gear, and it is compiled with full optimisation. And I don't actually have a computer with one of the most important hardware targets, but it's all written in C++, a bit in C, and none in assembler. So I can't profile it, and I have to rely on insight into where the inner loop will be, and how to avoid expensive operations in the inner loop.
And hopefully those subroutines will be called for many years to come, or hardware as yet un-designed.
With Baby X, I did have severe problems with the rendering speed on an old Windows machine. But I haven;t noticed them now its runnng on the Apple Mac. However as the name suggests, Baby X was first designed for X lib. I only added Windows support later, and all the rgba buffers were in the wrong format. But faster processors cover a multitude of sins, if you keep things lean.
--
Check out my hobby project.
http://malcolmmclean.github.io/babyxrc

Date Sujet#  Auteur
11 Jun 24 * Baby X is bor nagain322Malcolm McLean
11 Jun 24 +* Re: Baby X is bor nagain3bart
11 Jun 24 i`* Re: Baby X is bor nagain2Malcolm McLean
12 Jun 24 i `- Mac users (Was: Baby X is bor nagain)1Kenny McCormack
11 Jun 24 +* Re: Baby X is bor nagain4Ben Bacarisse
11 Jun 24 i`* Re: Baby X is bor nagain3Malcolm McLean
12 Jun 24 i `* Re: Baby X is bor nagain2Ben Bacarisse
12 Jun 24 i  `- Re: Baby X is bor nagain1Malcolm McLean
11 Jun 24 +* Re: Baby X is bor nagain313Bonita Montero
11 Jun 24 i+* Re: Baby X is bor nagain309Malcolm McLean
12 Jun 24 ii`* Re: Baby X is bor nagain308Bonita Montero
12 Jun 24 ii +* Re: Baby X is bor nagain305David Brown
12 Jun 24 ii i+* Re: Baby X is bor nagain2Malcolm McLean
12 Jun 24 ii ii`- Re: Baby X is bor nagain1David Brown
12 Jun 24 ii i+- Re: Baby X is bor nagain1Bonita Montero
12 Jun 24 ii i`* Re: Baby X is bor nagain301bart
12 Jun 24 ii i +* Re: Baby X is bor nagain4Bonita Montero
12 Jun 24 ii i i`* Re: Baby X is bor nagain3bart
12 Jun 24 ii i i `* Re: Baby X is bor nagain2Bonita Montero
12 Jun 24 ii i i  `- Re: Baby X is bor nagain1bart
12 Jun 24 ii i `* Re: Baby X is bor nagain296David Brown
12 Jun 24 ii i  `* Re: Baby X is bor nagain295Michael S
13 Jun 24 ii i   +- Re: Baby X is bor nagain1Malcolm McLean
13 Jun 24 ii i   `* Re: Baby X is bor nagain293David Brown
13 Jun 24 ii i    +* Re: Baby X is bor nagain5bart
13 Jun 24 ii i    i+* Re: Baby X is bor nagain3tTh
13 Jun 24 ii i    ii`* Re: Baby X is bor nagain2bart
14 Jun 24 ii i    ii `- Re: Baby X is bor nagain1Bonita Montero
13 Jun 24 ii i    i`- Re: Baby X is bor nagain1Michael S
13 Jun 24 ii i    `* Re: Baby X is bor nagain287Michael S
14 Jun 24 ii i     +* Re: Baby X is bor nagain3David Brown
14 Jun 24 ii i     i`* Re: Baby X is bor nagain2bart
15 Jun 24 ii i     i `- Re: Baby X is bor nagain1David Brown
17 Jun 24 ii i     `* Re: Baby X is bor nagain283James Kuyper
17 Jun 24 ii i      +* Re: Baby X is bor nagain86Kaz Kylheku
17 Jun 24 ii i      i+- Are Javascript and Python similarly slow ? (Was: Baby X is bor nagain)1Michael S
17 Jun 24 ii i      i+* Re: Baby X is bor nagain2Michael S
18 Jun 24 ii i      ii`- Re: Baby X is bor nagain1Tim Rentsch
17 Jun 24 ii i      i+* Re: Baby X is bor nagain80David Brown
18 Jun 24 ii i      ii`* Re: Baby X is bor nagain79Michael S
18 Jun 24 ii i      ii `* Re: Baby X is bor nagain78David Brown
18 Jun 24 ii i      ii  +* Re: Baby X is bor nagain7bart
18 Jun 24 ii i      ii  i`* Re: Baby X is bor nagain6David Brown
18 Jun 24 ii i      ii  i +* Re: Baby X is bor nagain2bart
18 Jun 24 ii i      ii  i i`- Re: Baby X is bor nagain1David Brown
18 Jun 24 ii i      ii  i `* Re: Baby X is bor nagain3DFS
18 Jun 24 ii i      ii  i  `* Re: Baby X is bor nagain2Mark Bourne
18 Jun 24 ii i      ii  i   `- Re: Baby X is bor nagain1DFS
18 Jun 24 ii i      ii  +* Re: Baby X is bor nagain3Malcolm McLean
18 Jun 24 ii i      ii  i+- Re: Baby X is bor nagain1David Brown
18 Jun 24 ii i      ii  i`- Re: Baby X is bor nagain1Mark Bourne
18 Jun 24 ii i      ii  `* Re: Baby X is bor nagain67Michael S
18 Jun 24 ii i      ii   +* Re: Baby X is bor nagain65Malcolm McLean
19 Jun 24 ii i      ii   i+* Re: Baby X is bor nagain59Keith Thompson
19 Jun 24 ii i      ii   ii`* Re: Baby X is bor nagain58Malcolm McLean
19 Jun 24 ii i      ii   ii +* Re: Baby X is bor nagain56David Brown
19 Jun 24 ii i      ii   ii i`* Re: Baby X is bor nagain55Malcolm McLean
19 Jun 24 ii i      ii   ii i `* Re: Baby X is bor nagain54David Brown
19 Jun 24 ii i      ii   ii i  `* Re: Baby X is bor nagain53Malcolm McLean
19 Jun 24 ii i      ii   ii i   +* Re: Baby X is bor nagain10bart
20 Jun 24 ii i      ii   ii i   i`* Re: Baby X is bor nagain9David Brown
20 Jun 24 ii i      ii   ii i   i `* Re: Baby X is bor nagain8bart
20 Jun 24 ii i      ii   ii i   i  `* Re: Baby X is bor nagain7David Brown
20 Jun 24 ii i      ii   ii i   i   `* Re: Baby X is bor nagain6bart
20 Jun 24 ii i      ii   ii i   i    +* Re: Baby X is bor nagain2Michael S
20 Jun 24 ii i      ii   ii i   i    i`- Re: Baby X is bor nagain1bart
20 Jun 24 ii i      ii   ii i   i    `* Re: Baby X is bor nagain3David Brown
21 Jun 24 ii i      ii   ii i   i     `* Re: Baby X is bor nagain2bart
21 Jun 24 ii i      ii   ii i   i      `- Re: Baby X is bor nagain1David Brown
20 Jun 24 ii i      ii   ii i   `* Re: Baby X is bor nagain42David Brown
20 Jun 24 ii i      ii   ii i    `* Re: Baby X is bor nagain41Malcolm McLean
20 Jun 24 ii i      ii   ii i     +- Re: Baby X is bor nagain1David Brown
20 Jun 24 ii i      ii   ii i     `* Re: Baby X is bor nagain39Ben Bacarisse
20 Jun 24 ii i      ii   ii i      +* Re: Baby X is bor nagain2Malcolm McLean
20 Jun 24 ii i      ii   ii i      i`- Re: Baby X is bor nagain1Ben Bacarisse
20 Jun 24 ii i      ii   ii i      +* Re: Baby X is bor nagain9Tim Rentsch
20 Jun 24 ii i      ii   ii i      i`* Re: Baby X is bor nagain8Malcolm McLean
20 Jun 24 ii i      ii   ii i      i +* Re: Baby X is bor nagain2James Kuyper
20 Jun 24 ii i      ii   ii i      i i`- Re: Baby X is bor nagain1Keith Thompson
20 Jun 24 ii i      ii   ii i      i +- Re: Baby X is bor nagain1Vir Campestris
20 Jun 24 ii i      ii   ii i      i +* Re: Baby X is bor nagain2Keith Thompson
21 Jun 24 ii i      ii   ii i      i i`- Re: Baby X is bor nagain1vallor
21 Jun 24 ii i      ii   ii i      i +- Re: Baby X is bor nagain1Tim Rentsch
21 Jun 24 ii i      ii   ii i      i `- Re: Baby X is bor nagain1David Brown
20 Jun 24 ii i      ii   ii i      `* Re: Baby X is bor nagain27Keith Thompson
20 Jun 24 ii i      ii   ii i       `* Re: Baby X is bor nagain26Ben Bacarisse
20 Jun 24 ii i      ii   ii i        +* Re: Baby X is bor nagain2Michael S
21 Jun 24 ii i      ii   ii i        i`- Re: Baby X is bor nagain1Ben Bacarisse
20 Jun 24 ii i      ii   ii i        +- Re: Baby X is bor nagain1Keith Thompson
21 Jun 24 ii i      ii   ii i        +* Re: Baby X is bor nagain2James Kuyper
21 Jun 24 ii i      ii   ii i        i`- Re: Baby X is bor nagain1Keith Thompson
22 Jun 24 ii i      ii   ii i        `* Re: Baby X is bor nagain20Tim Rentsch
23 Jun 24 ii i      ii   ii i         `* Re: Baby X is bor nagain19Ben Bacarisse
23 Jun 24 ii i      ii   ii i          +* Re: Baby X is bor nagain9James Kuyper
23 Jun 24 ii i      ii   ii i          i`* Re: Baby X is bor nagain8Tim Rentsch
24 Jun 24 ii i      ii   ii i          i +* Re: Baby X is bor nagain4Ben Bacarisse
24 Jun 24 ii i      ii   ii i          i i`* Re: Baby X is bor nagain3Tim Rentsch
25 Jun 24 ii i      ii   ii i          i i `* Re: Baby X is bor nagain2Ben Bacarisse
25 Jun 24 ii i      ii   ii i          i i  `- Re: Baby X is bor nagain1Tim Rentsch
24 Jun 24 ii i      ii   ii i          i `* Re: Baby X is bor nagain3Keith Thompson
24 Jun 24 ii i      ii   ii i          i  `* Re: Baby X is bor nagain2Tim Rentsch
23 Jun 24 ii i      ii   ii i          `* Re: Baby X is bor nagain9Tim Rentsch
19 Jun 24 ii i      ii   ii `- Re: Baby X is bor nagain1Keith Thompson
19 Jun 24 ii i      ii   i`* Re: Baby X is bor nagain5David Brown
19 Jun 24 ii i      ii   `- Re: Baby X is bor nagain1David Brown
18 Jun 24 ii i      i+- Re: Baby X is bor nagain1James Kuyper
20 Jun 24 ii i      i`- Re: Baby X is bor nagain1Vir Campestris
17 Jun 24 ii i      +* Re: Baby X is bor nagain193bart
17 Jun 24 ii i      `* Re: Baby X is bor nagain3Malcolm McLean
12 Jun 24 ii `* Topicality is not your strong suit (Was: Baby X is bor nagain)2Kenny McCormack
11 Jun 24 i`* Re: Baby X is bor nagain3bart
11 Jun 24 `- Re: Baby X is bor nagain1Kalevi Kolttonen

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