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New posts in x86
How to convert 32-bit float to 8-bit signed char? (4:1 packing of int32 to int8 __m256i)
Jan 24, 2022
c
x86
simd
intrinsics
avx2
Does aligning memory on particular address boundaries in C/C++ still improve x86 performance?
Nov 07, 2022
c++
c
performance
x86
latency
Why is POP slow when using register R12?
Apr 03, 2022
performance
x86
intel
cpu-architecture
micro-optimization
Do x86/x64 chips still use microprogramming?
Nov 04, 2022
x86
64-bit
intel
cpu-architecture
microcoding
How many byes is each instruction compiled to in x86 assembly?
May 30, 2022
assembly
x86
gnu-assembler
instruction-set
Using AVX instructions disables exp() optimization?
May 02, 2018
visual-c++
x86
exp
avx
Why makecontext does not work with pthreads
Jan 28, 2020
c
linux
x86
pthreads
coroutine
How to calculate MIPS of my processor?
Nov 16, 2022
performance
architecture
x86
preprocessor
performance-testing
x86 Can push/pop be less than 4 bytes? [duplicate]
Jul 21, 2019
memory
assembly
x86
stack
How to compile this program with inline asm?
Mar 19, 2022
c
gcc
assembly
x86
inline-assembly
What is the difference between MOVDQA and MOVNTDQA, and VMOVDQA and VMOVNTDQ for WB/WC marked region?
Jun 09, 2020
assembly
x86
sse
simd
avx
AVX2 VPSHUFB emulation in AVX
Oct 01, 2018
x86
simd
intrinsics
avx
What comes after QWORD?
Oct 29, 2022
assembly
x86
intel
terminology
What does F in FWORD stand for?
Sep 12, 2022
assembly
x86
definition
word
low-level
Creating a C function without compiler generated prologue/epilogue & RET instruction?
Jul 17, 2021
c
gcc
assembly
x86
nasm
Does a hyper-threaded core share MMU and TLB?
Nov 07, 2022
x86
cpu-architecture
tlb
mmu
hyperthreading
Difference between .dynamic .dynsym and .dynstr in an ELF executable
Nov 13, 2022
linux
x86
elf
How do the store buffer and Line Fill Buffer interact with each other?
Aug 26, 2022
x86
cpu-architecture
cpu-cache
micro-architecture
cpu-mds
Integer Overflow problem
Mar 02, 2018
assembly
x86
_mm_alignr_epi8 (PALIGNR) equivalent in AVX2
Sep 01, 2020
x86
simd
intrinsics
avx
avx2
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