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New posts in x86
How to make a Makefile for a program for assembly Language?
Nov 11, 2022
linux
assembly
makefile
x86
nasm
What will be used for data exchange between threads are executing on one Core with HT?
Aug 21, 2022
multithreading
concurrency
x86
x86-64
hyperthreading
Function parameter passing in a Linux kernel interrupt handler (from asm to C)
Aug 21, 2022
assembly
linux-kernel
x86
interrupt-handling
calling-convention
Using db to declare a string in assembly NASM
Aug 21, 2022
string
assembly
x86
nasm
bootloader
Registering Interrupt in 16 bit x86 Assembly
Oct 25, 2022
assembly
x86
nasm
interrupt
x86-16
Is `reinterpret_cast`ing between hardware SIMD vector pointer and the corresponding type an undefined behavior?
Jan 16, 2022
c++
x86
language-lawyer
undefined-behavior
intrinsics
(meaningful) cost of the jump instruction?
Nov 18, 2022
assembly
x86
What happens when a rep-prefix is attached to a non string instruction?
Sep 20, 2022
string
assembly
x86
undefined-behavior
How to use the APIC to create IPIs to wake the APs for SMP in x86 assembly?
Oct 22, 2020
assembly
x86
intel
smp
Why does x86 architecture use two stack registers (esp ; ebp)?
May 26, 2022
assembly
x86
x86-64
Does using mix of pxor and xorps affect performance?
Aug 26, 2021
assembly
x86
sse
simd
Is there an efficient way to get the first non-zero element in an SIMD register using SIMD intrinsics?
Oct 23, 2022
x86
bit-manipulation
simd
intrinsics
avx
How to disassemble a shellcode into assembly instruction? [duplicate]
Dec 13, 2020
assembly
x86
disassembly
shellcode
How to multiply a register by 37 using only 2 consecutive leal instructions in x86?
Oct 24, 2022
assembly
x86
x86-64
multiplication
strength-reduction
Syscall implementation of exit()
Nov 09, 2022
c
gcc
assembly
x86
system-calls
How to MOVe 3 bytes (24bits) from memory to a register?
Aug 29, 2022
assembly
x86
x86-64
micro-optimization
Why do I see 400x outlier timings when calling clock_gettime repeatedly?
Feb 13, 2022
c++
linux
performance
x86
clock
clflush to invalidate cache line via C function
May 12, 2022
c
performance
x86
intrinsics
cpu-cache
Setting and clearing the zero flag in x86
Nov 17, 2022
performance
assembly
x86
x86-64
micro-optimization
rdpmc: surprising behavior
Oct 13, 2021
performance
assembly
x86
performancecounter
intel-pmu
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