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Results tagged with c++
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user 6951
Questions about C++, a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.
14
votes
Accepted
How important is memory alignment? Does it still matter?
Yes both alignment and arrangement of your data can make a big difference in performance, not just a few percent but few to many hundreds of a percent.
Take this loop, two instructions matter if you …
- 969
0
votes
What does it mean to declare a volatile variable?
The answers seem pretty consistent but missing an important point. You are telling the compiler that you want to to allocate space and for every access, read OR WRITE, you want it to perform that acc …
- 969
2
votes
How does assembly relate to machine/binary code
So ideally assembly language has a one to one relationship with machine code. One line or mnemonic (add, sub, xor...) goes with one machine instruction (add, sub, xor...).
Then to make programming …
- 969
-1
votes
How would I make a compiler in C++?
There is not much difference between understanding assembly and understanding the machine code that it creates. You should create your own assembler or at least study the disassembly of asm that has …
- 969