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New posts in compiler-optimization
SIMD instructions lowering CPU frequency
optimization
x86
intel
compiler-optimization
avx512
Is there a reason why not to use link-time optimization (LTO)?
c++
c
performance
compilation
compiler-optimization
Why is the empty base class optimization (EBO) is not working in MSVC?
c++
visual-c++
compiler-optimization
empty-class
Why would code actively try to prevent tail-call optimization?
c++
c
optimization
compiler-optimization
tail-call-optimization
Why doesn't 'd /= d' throw a division by zero exception when d == 0?
c++
compiler-optimization
undefined-behavior
division
divide-by-zero
How to turn off gcc compiler optimization to enable buffer overflow
c
gcc
buffer-overflow
compiler-optimization
Why can't GCC generate an optimal operator== for a struct of two int32s?
c++
gcc
x86-64
compiler-optimization
micro-optimization
G++ optimization beyond -O3/-Ofast
c++
g++
compiler-optimization
Why do Compilers put data inside .text(code) section of the PE and ELF files and how does the CPU distinguish between data and code?
x86
cpu
reverse-engineering
compiler-optimization
elf
Is the compiler allowed to recycle freed pointer variables?
c
pointers
free
compiler-optimization
standards-compliance
GCC(/Clang): Merging functions with identical instructions (COMDAT folding)
templates
gcc
linker
clang
compiler-optimization
Can compiler optimization introduce bugs?
optimization
compiler-construction
compiler-optimization
How to disable compiler optimizations in gcc?
c
gcc
compiler-optimization
compiler-options
Efficiency of premature return in a function
c#
java
c++
c
compiler-optimization
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
c
struct
compiler-optimization
memory-alignment
Using this pointer causes strange deoptimization in hot loop
c++
c++11
optimization
compiler-optimization
strict-aliasing
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
c
performance
compiler-optimization
Is it possible to tell the branch predictor how likely it is to follow the branch?
c
gcc
x86
compiler-optimization
micro-optimization
Bubble sort slower with -O3 than -O2 with GCC
c
gcc
x86-64
cpu-architecture
compiler-optimization
How do I make an infinite empty loop that won't be optimized away?
c
clang
language-lawyer
compiler-optimization
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