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New posts in x86
Outputting integers in assembly on Linux
Sep 04, 2021
assembly
x86
nasm
Why does Hyper-threading get reported as supported on processors without it?
May 29, 2021
x86
intel
hyperthreading
cpuid
How can I detect when Android x86 is emulating ARM?
Mar 19, 2022
android-ndk
x86
arm
Automatically generate FMA instructions in MSVC
Aug 20, 2022
c++
visual-c++
x86
avx
fma
How to ask GCC to completely unroll this loop (i.e., peel this loop)?
Apr 30, 2022
c
gcc
x86
hpc
loop-unrolling
Can the LSD issue uOPs from the next iteration of the detected loop?
Feb 21, 2021
assembly
x86
cpu-architecture
intel-pmu
Utilizing the LDT (Local Descriptor Table)
Sep 26, 2022
c
assembly
x86
Why do I get a different SHA1 hash between Powershell and 32bit-Python on a system DLL?
Apr 25, 2022
python
powershell
x86
64-bit
Why is one of these sooooo much faster than the other?
Nov 03, 2022
c++
performance
x86
inline-assembly
Is it legal to optimize away stores/construction of volatile stack variables?
Apr 01, 2022
c++
optimization
x86
language-lawyer
volatile
How to force NASM to encode [1 + rax*2] as disp32 + index*2 instead of disp8 + base + index?
Dec 29, 2020
assembly
x86
nasm
micro-optimization
machine-code
Switch Case Assembly Language
Nov 06, 2022
assembly
x86
switch-statement
disassembly
Scope of MXCSR control register?
Nov 20, 2018
floating-point
x86
sse
cpu-registers
fpu
_mm_set_epi8 - what does "set" mean?
Jun 11, 2015
x86
sse
simd
intel
SSE2 instruction to load integers in reverse order
Jul 14, 2020
x86
sse
simd
sse2
Intel x86 to ARM assembly conversion
Oct 25, 2021
c
x86
arm
intel-syntax
Generating a random number within range of 0-9 in x86 8086 Assembly
Apr 15, 2018
assembly
random
x86
x86-16
Skylake L2 cache enhanced by reducing associativity?
Sep 13, 2022
x86
cpu
intel
cpu-cache
Finding the most frequently occurring element in an SSE register
Aug 13, 2021
algorithm
assembly
x86
sse
What are the differences between the compress and expand instructions in AVX-512?
Apr 21, 2022
assembly
x86
simd
avx512
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