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New posts in x86-64
What is the problem with this jump instruction?
Sep 13, 2025
assembly
x86-64
gnu-assembler
Unaligned access performance on Intel x86 vs AMD x86 CPUs
Sep 12, 2025
x86-64
intel
cpu-architecture
memory-alignment
amd-processor
Reason for collapse of memory bandwidth when 2KB of data is cached in L1-cache
Sep 12, 2025
c++
linux
performance
x86-64
intel
Check architecture in dockerfile to get amd/arm
Sep 12, 2025
docker
debian
x86-64
cpu-architecture
apple-m1
Why is GCC subtracting 1 and comparing <= 2? Is cmp faster with powers of two in assembly?
Sep 08, 2025
c++
assembly
gcc
x86
x86-64
How to detect E-cores and P-cores in Linux alder lake system?
Sep 10, 2025
linux
x86-64
intel
cpu-architecture
cpu-cores
Who enables the A20 line when booting in pure UEFI?
Sep 07, 2025
x86
x86-64
bootloader
uefi
grub
How are interrupts handled on SMP?
Sep 08, 2025
linux
x86-64
interrupt
multicore
interrupt-handling
Find first bit, find last bit assembly using bsf, blf
Sep 07, 2025
assembly
kernel
bit-manipulation
x86-64
How can I insert Intel64 or x64 in Template Summary in an MSI project of Wix Toolkit?
Sep 08, 2025
visual-studio
wix
windows-installer
x86-64
program-files
How to read from and write to files using NASM for x86-64bit
Sep 08, 2025
linux
assembly
x86-64
nasm
system-calls
Does the red zone still exist even if we use the -mno-red-zone flag in gcc?
Sep 07, 2025
c
x86-64
stack-memory
abi
red-zone
FASM write Hello World to console with NO includes or dependencies at all
Sep 06, 2025
windows
assembly
x86-64
system-calls
fasm
How can I find my Yocto generated image? It was made using poky
Sep 08, 2025
linux
x86-64
yocto
Why do C compilers still prefer push over mov for saving registers, even when mov appears faster in llvm-mca?
Sep 08, 2025
c
assembly
x86-64
compiler-optimization
micro-optimization
Trying to implement 128 bit add in amd64 with inline assembly with multiple alternative constraints
Sep 07, 2025
assembly
gcc
x86-64
inline-assembly
The x86 disassembly for C code generates: orq $0x0, %(rsp)
Sep 07, 2025
c
assembly
gcc
x86-64
callstack
Reading SSE registers (XMM, YMM) in a signal handler
Sep 07, 2025
linux
x86-64
sse
signal-handling
ucontext
Efficient UTF-8 character-length decoding for a non-zero character in a 32 bit register
Sep 07, 2025
assembly
utf-8
nasm
x86-64
micro-optimization
Compute (a*b)%n FAST for 64-bit unsigned arguments in C(++) on x86-64 platforms?
Sep 07, 2025
c++
c
visual-c++
x86-64
128-bit
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