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New posts in x86-64
debugging segment register FS using GDB [duplicate]
May 25, 2022
x86
gdb
x86-64
memory-segmentation
msr
How can the first of these two code snippets run 3x faster than the second when its doing more work?
Apr 10, 2022
c#
performance
x86
jit
x86-64
bulk switching between x64 x86 in setup projects
Oct 21, 2022
visual-studio-2010
installation
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
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