micro-optimization

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LEA vs MOV + INC for incrementing a variable and storing it in another one?
user_148304570
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x86-64 micro-optimization intel assembly
What's the most efficient way to swap 4 16-bit integers on a 64-bit processor?
user_166421990
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micro-optimization assembly c++
Fastest way to take the average of two signed integers in x86 assembly?
user_10219590
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micro-optimization x86 assembly optimization average
Efficiently loading both RAX and R8 with the same small positive number
user_31447700
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54
instruction-encoding x86-64 micro-optimization assembly
Why does gcc implement fmin and fmax in three different ways?
user_182374560
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x86-64 micro-optimization assembly gcc
Does it make sense to use a relaxed load followed by a conditional fence, if I don't always need acquire semantics?
user_27520750
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182
memory-barriers micro-optimization atomic multithreading c++
Different codegen for 'i % 2 == 0' between clang and GCC, why is it compiled this way?
user_6348210
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138
compiler-optimization x86-64 micro-optimization assembly c++
How do you reason about fluctuations in benchmarking data?
user_81275880
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53
microbenchmark micro-optimization benchmarking optimization performance
Optimize lookup tables to simple ALU
user_113221310
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micro-optimization code-generation clang optimization c
Optimizing FMA sequences on different arm64 micro-architectures
user_17163390
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arm64 neon micro-optimization assembly
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