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New posts in x86-64
OpenMP atomic and non-atomic reads/writes produce the same instructions on x86_64
Nov 09, 2022
c++
openmp
x86-64
atomic
memory-fences
VEX prefixes encoding and SSE/AVX MOVUP(D/S) instructions
Jun 03, 2022
x86
x86-64
intel
cpu-architecture
avx
False sharing prevention with alignas is broken
May 28, 2021
c++
multithreading
x86-64
memory-alignment
false-sharing
Evaluating sizeof causes improvement in performance C
Sep 16, 2022
c
optimization
x86-64
compiler-optimization
How can I dynamically hint a branch target to an x64 CPU?
Sep 14, 2022
assembly
x86-64
cpu-architecture
branch-prediction
jump-table
How to model a CPU using qemu?
Aug 17, 2022
c
x86-64
multicore
qemu
intel
Syscalls for x86-64 Linux NASM(YASM) detailed description
Jan 21, 2021
linux
x86-64
nasm
system-calls
Best gcc optimization switches for hyperthreading
May 11, 2022
c
performance
gcc
x86-64
hyperthreading
Optimize socket data transfer over loopback wrt NUMA
May 22, 2022
linux-kernel
x86
x86-64
dma
numa
Why modifying an instruction cause huge i-cache and i-TLB misses on x86?
Jun 07, 2022
performance
x86
x86-64
performancecounter
perf
Radare2 Disassembler How Do You Organize Visual Panels (V!)?
Jun 24, 2022
x86-64
reverse-engineering
disassembly
radare2
Different machine code for empty default constructor v. implicitly-defined one
Aug 31, 2022
c++
gcc
optimization
x86-64
c++20
Seg fault...on hello world
Mar 29, 2022
linux
assembly
x86-64
system-calls
64-bit C++ passing functions with "different" calling conventions as parameters gives ambiguous error
Jan 22, 2022
c++
x86-64
calling-convention
stdcall
cdecl
why will my buffer overflow exploit open a user shell only instead of a root shell?
Jun 24, 2022
python
c
x86-64
buffer-overflow
exploit
meaning of an entry in a relocation table of an object file
Oct 15, 2022
c
linker
x86-64
relocation
C++ calling convention for passing big objects on Linux/x86-84
Sep 11, 2022
c++
linux
assembly
x86-64
calling-convention
Killing linux socket from shell (gentoo amd64)
Dec 03, 2020
linux
sockets
gentoo
x86-64
Determining register values when using objdump
Jan 30, 2019
assembly
x86
x86-64
control-flow
objdump
How to cause a TLB thrashing with a user process?
Jan 21, 2018
architecture
x86-64
tlb
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