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I'm a software-developer, not just a "coder".
Albert Holguin wrote: Maybe you don't, but for some of us...
It was a general question. Do explain, how do all those webdevelopers here optimize for different versions of hardware-chipsets?
Please, elaborate and do enlighten me 
--edit
Once you are done with explaining, I'll link you a host of embedded projects that are using general api's, and not talking directly to hardware.
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
modified 11-Sep-15 9:21am.
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Just like I can link to embedded projects that make use of hardware specific optimization libraries. Not everyone here is a "web developer", that's your assumption of the world around you. There is always someone trying to make something better, we're called engineers. You're welcome.
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Albert Holguin wrote: Not everyone here is a "web developer", that's your assumption of the world around you.
No, I did not even make that claim; but in the extension, same goes for your average DBA. Wow, how to optimize SQL for the AMD chipset, compared to an Intel chipset?
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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Eddy Vluggen wrote: Wow, how to optimize SQL for the AMD chipset, compared to an Intel chipset?
Whereas the average DBA (there is nothing average in being a DBA IMHO) won't, I guess that those who work building DBMS may think in these terms in the core libraries - with different subsets of primitives to optimize the data fluxes in memory and the pipelining of the CPU, or (more probably as DBMS are I/O-bound) to make a better use of different common storage architectures.
Often this mechanism is transparent from the outside, as in the deployed package there are already different versions of the primitives which are then loaded at the boot of the server.
I agree that 90% of developers won't do that or ever need that - I'm happy to be in the 10% though 
Geek code v 3.12 {
GCS d--- s-/++ a- C++++ U+++ P- L- E-- W++ N++ o+ K- w+++ O? M-- V? PS+ PE- Y+ PGP t++ 5? X R++ tv-- b+ DI+++ D++ G e++>+++ h--- r++>+++ y+++*
Weapons extension: ma- k++ F+2 X
}
If you think 'goto' is evil, try writing an Assembly program without JMP. -- TNCaver
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den2k88 wrote: Often this mechanism is transparent from the outside
It is simply an abstraction. A leaky one, I admit, but it does its job.
den2k88 wrote: I agree that 90% of developers won't do that or ever need that - I'm happy to be in the 10% though
It would also defeat the purpose of having those abstractions in the first place.
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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... would theoretically let me hit two of those targets with a single shot. OTOH I don't have anything on my horizon that'd need either of them.
The one embedded project I did was PIC32 (because that was what the board designer knew).
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies.
-- Sarah Hoyt
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Well, you can buy an Arduino clone for under USD $5.
If you get a Arduino Pro Mini, you'll need to add to that an FTDI chip (to go between your USB port and the board's inputs)
If, on the other hand, you get a Arduino Nano, you just need to download the Arduino IDE and you can get started with a simple light-blinking demo, using the onboard led.
Grab some breadboards, bread-board connection cables, a display or some other peripherals and you're ready for fun. You should be able to get started for under USD $20. I got a 128x160px colour screen with SD card reader for about $6 or $7
Here's some clones: Arduino Nano clones
It's a lot of fun and rather addictive. 
"When I was 5 years old, my mother always told me that happiness was the key to life. When I went to school, they asked me what I wanted to be when I grew up. I wrote down 'happy'. They told me I didn't understand the assignment, and I told them they didn't understand life." - John Lennon
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