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New posts in micro-optimization

Why are loops always compiled into "do...while" style (tail jump)?

performance loops assembly optimization micro-optimization

Go: multiple len() calls vs performance?

algorithm go micro-optimization

x86_64 best way to reduce 64 bit register to 32 bit retaining zero or non-zero status

assembly x86-64 micro-optimization

Can x86's MOV really be "free"? Why can't I reproduce this at all?

c assembly x86 cpu-architecture micro-optimization

x > -1 vs x >= 0, is there a performance difference

java c++ operators micro-optimization premature-optimization

Why does mulss take only 3 cycles on Haswell, different from Agner's instruction tables? (Unrolling FP loops with multiple accumulators)

c assembly x86 sse micro-optimization

Avoiding the overhead of C# virtual calls

c# virtual-functions micro-optimization

fastest way to negate a number

c++ visual-c++ x86 micro-optimization visual-c++-2012

Passing null pointer to placement new

c++ micro-optimization placement-new noexcept

Does calculating Sqrt(x) as x * InvSqrt(x) make any sense in the Doom 3 BFG code?

c++ optimization micro-optimization math.h

How exactly do partial registers on Haswell/Skylake perform? Writing AL seems to have a false dependency on RAX, and AH is inconsistent

assembly x86 intel cpu-architecture micro-optimization

Why does Intel's compiler prefer NEG+ADD over SUB?

assembly x86 micro-optimization icc

Comparing two values in the form (a + sqrt(b)) as fast as possible?

c++ optimization algebra micro-optimization sqrt

INC instruction vs ADD 1: Does it matter?

performance assembly x86 increment micro-optimization

Do java finals help the compiler create more efficient bytecode? [duplicate]

java optimization micro-optimization

What does `rep ret` mean?

assembly x86 micro-optimization branch-prediction

' ... != null' or 'null != ....' best performance?

java performance micro-optimization

"enter" vs "push ebp; mov ebp, esp; sub esp, imm" and "leave" vs "mov esp, ebp; pop ebp"

assembly x86 stack micro-optimization stack-frame

Divide by 10 using bit shifts?

math bit micro-optimization low-level integer-division

Does using xor reg, reg give advantage over mov reg, 0? [duplicate]

assembly x86 micro-optimization
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