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New posts in compiler-optimization

g++ -O3 optimizes better than -O2 with all extra optimizations added [duplicate]

Selecting appropriate ARM -mfpu option in gcc based on CPU features

Why aren't the earlier terms here being garbage-collected?

When building Python with profile guided optimization do I have to leave the computer alone?

Javac missing optimization for effective final

Why do I have to turn on optimization in g++ for simple array access?

Rust compiler not optimising lzcnt? (and similar functions)

noexcept specifier and compiler optimizations

Reverse engineer optimized c code from assembly

Compiler optimization of properties that remain static for the duration of a loop

some pointer to understanding GCC source code

Why doesn't Hotspot JIT perform loop unrolling for long counters?

Controlling read and write access width to memory mapped registers in C

Implementing common subexpression elimination

Performance swapping integers vs double

c++ compiler-optimization

Why is adding two std::vectors slower than raw arrays from new[]?

avr-gcc: (seemingly) unneeded prologue/epilogue in simple function

Is this "elision failure" language-mandated?

Why is the compiler allowed to optimize out this busy waiting loop?

Visual C++ Compiler Optimization Flags: Difference Between /O2 and /Ot