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New posts in x86
Can PTEST be used to test if two registers are both zero or some other condition?
Jan 07, 2022
assembly
x86
sse
intrinsics
sse4
Jump back some iterations for vectorized remainder loop
Feb 24, 2022
c
performance
assembly
x86
simd
Can two different objects with automatic storage duration compare equal under address comparison?
Dec 15, 2020
c
x86
clang
Are write-combining buffers used for normal writes to WB memory regions on Intel?
Sep 11, 2020
performance
x86
intel
cpu-architecture
x86 BSWAP instruction REX doesn't follow Intel specs?
May 13, 2021
assembly
x86
language-lawyer
disassembly
libc's system() when the stack pointer is not 16-padded causes segmentation fault
Mar 25, 2021
x86
segmentation-fault
libc
sse
Difficulty understanding logic in disassembled binary bomb phase 3
Dec 28, 2021
c
assembly
x86
reverse-engineering
att
binary-bomb
How to explicitly load a structure into L1d cache?
Apr 03, 2022
c
linux-kernel
x86
cpu-architecture
cpu-cache
Is there a way for a kernel module to find section addresses of another loaded module?
Nov 21, 2022
linux-kernel
x86
kernel
kernel-module
Faster assembly optimized way to convert between RGB8 and RGB32 image
Feb 24, 2021
visual-c++
optimization
assembly
x86
sse
Why does switch_to use push+jmp+ret to change EIP, instead of jmp directly?
Jul 11, 2019
assembly
linux-kernel
x86
How can I write a QuadWord from AVX512 register zmm26 to the rax register?
Dec 13, 2019
assembly
x86
intel
avx512
Where are the null-terminated strings when converting from C to assembly?
Jan 01, 2020
c
linux
gcc
x86
How to specify clobbered bottom of the x87 FPU stack with extended gcc assembly?
Nov 20, 2021
c
gcc
assembly
x86
x87
.rodata section loaded in executable page
Apr 26, 2021
linux
x86
paging
elf
Why can't I mmap(MAP_FIXED) the highest virtual page in a 32-bit Linux process on a 64-bit kernel?
Oct 14, 2022
linux
assembly
linux-kernel
x86
mmap
How to use omp parallel for and omp simd together?
Oct 20, 2022
c
parallel-processing
x86
openmp
simd
how are barriers/fences and acquire, release semantics implemented microarchitecturally?
Nov 07, 2022
x86
x86-64
cpu-architecture
memory-barriers
micro-architecture
Estimating of interrupt latency on the x86 CPUs
Mar 17, 2022
x86
real-time
benchmarking
interrupt
latency
Aspnet_regiis in Framework64 folder for a 32 bit web app
Apr 07, 2019
iis
x86
aspnet-regiis.exe
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