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New posts in x86
How can I do a CPU cache flush in x86 Windows?
Aug 28, 2022
c
windows
x86
cpu
cpu-cache
What does `rep ret` mean?
Aug 28, 2022
assembly
x86
micro-optimization
branch-prediction
Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
Aug 28, 2022
assembly
x86
x86-64
atomic
memory-barriers
What does MOV EAX, DWORD PTR DS:[ESI] mean and what does it do?
Aug 28, 2022
assembly
x86
Why is this SSE code 6 times slower without VZEROUPPER on Skylake?
Nov 03, 2021
performance
x86
intel
sse
avx
Calling 32bit Code from 64bit Process
Aug 16, 2022
.net
migration
x86
64-bit
fortran
How are atomic operations implemented at a hardware level?
Aug 28, 2022
language-agnostic
x86
atomic
smp
Why is linear read-shuffled write not faster than shuffled read-linear write?
Jul 08, 2022
python
performance
numpy
x86
cpu-cache
"enter" vs "push ebp; mov ebp, esp; sub esp, imm" and "leave" vs "mov esp, ebp; pop ebp"
Oct 25, 2022
assembly
x86
stack
micro-optimization
stack-frame
How are cache memories shared in multicore Intel CPUs?
Aug 28, 2022
performance
x86
multiprocessing
intel
cpu-cache
What does the "rep stos" x86 assembly instruction sequence do?
Aug 28, 2022
assembly
x86
Why is gcc allowed to speculatively load from a struct?
Aug 28, 2022
c
gcc
assembly
x86
compiler-optimization
Weird MSC 8.0 error: "The value of ESP was not properly saved across a function call..."
Aug 04, 2019
c++
visual-c++
x86
stack
calling-convention
What is stack frame in assembly?
Aug 27, 2022
assembly
x86
What does ORG Assembly Instruction do?
Aug 27, 2022
assembly
x86
nasm
directive
How to write self-modifying code in x86 assembly
Aug 27, 2022
assembly
x86
jit
vm-implementation
self-modifying
Assembly Language - How to do Modulo?
Sep 05, 2022
assembly
x86
modulo
integer-division
Fastest way to calculate a 128-bit integer modulo a 64-bit integer
Oct 17, 2022
c
algorithm
x86
modulo
assembly
What is the correct way to obtain (-1)^n?
Oct 15, 2022
c++
algorithm
x86
cmath
What are the ESP and the EBP registers?
Aug 27, 2022
assembly
x86
callstack
stack-frame
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