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New posts in micro-optimization

Missing latency in instruction tables

assembly x86 micro-optimization

What is the fastest way to swap the bytes of an unaligned 64 bit value in memory?

performance assembly x86-64 endianness micro-optimization

Why is clang's `-O3` alloca 2x faster than g++

memory-management compiler-construction clang micro-optimization

Is there any data on the latency of an AVX2 gather instruction?

performance x86 latency micro-optimization avx2

Why don't cases in switch statements have their own scope? [duplicate]

java switch-statement micro-optimization

Which is generally faster to test for zero in x86 ASM: "TEST EAX, EAX" versus "TEST AL, AL"?

intel performance assembly x86 micro-optimization

Does cmpxchg write destination cache line on failure? If not, is it better than xchg for spinlock?

intel assembly x86 cpu-cache micro-optimization compare-and-swap

Does adding local variables to methods make them slower?

java performance micro-optimization

What nonlocal effects can change the performance of a basic block?

optimization assembly compilation x86 micro-optimization

Why jnz requires 2 cycles to complete in an inner loop

x86 micro-optimization microbenchmark micro-architecture

Loading an entire cache line at once to avoid contention for multiple elements of it

c++ multithreading x86 micro-optimization false-sharing

Does it cost significant resources for a modern CPU to keep flags updated?

performance assembly cpu-architecture micro-optimization eflags

How to write a custom exception class derived from std::invalid_argument?

c++ exception c-strings stdstring micro-optimization

What is the difference between _mm_movehdup_ps and _mm_shuffle_ps in this case?

x86 sse intrinsics micro-optimization sse3

How to properly increment some array key, even if key needs to be created?

php optimization micro-optimization

Shortest Intel x86-64 opcode for rax=1?

assembly x86-64 micro-optimization code-size intel

Optimize C# Code Fragment

c# micro-optimization unchecked

How to optimize DivMod for a constant divisor of 10

delphi x86 inline-assembly micro-optimization

Efficient modulo-255 computation

c algorithm assembly bit-manipulation micro-optimization

Efficient computation of the average of three unsigned integers (without overflow)

c algorithm bit-manipulation micro-optimization extended-precision
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