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New posts in x86
How to disable L3 cache prefetcher on Intel Xeon Scalable Processor?
May 14, 2026
x86
intel
cpu-cache
prefetch
msr
x86 Assembly 16-bit Relative Call
May 13, 2026
assembly
x86
opcode
How to set specific cpu frequency when using intel_pstate
May 14, 2026
linux
x86
cpu
intel
x86 assembly - optimization of clamping rax to [ 0 .. limit )
May 13, 2026
assembly
optimization
x86
micro-optimization
clamp
AVX512 Compare and Swap
May 14, 2026
x86
avx
compare-and-swap
avx512
Directly call/jump in ASM without using relevance(x86)
May 11, 2026
assembly
dll
x86
C++: How to prevent default constructor using AVX for initialisation
May 11, 2026
c++
constructor
x86
sse
avx
x86 Strange printing after console has been scrolled
May 11, 2026
assembly
x86
x86-16
emu8086
Seeing register contents in ASCII in gdb
May 09, 2026
c
assembly
x86
gdb
x86 CMP instruction not working for a single word comparison
May 10, 2026
assembly
x86
x86-16
qemu
bootloader
Get the start of the previous instruction from an address
May 09, 2026
assembly
x86
Why gcc generates a PLT when it is apparently not needed?
May 07, 2026
linux
assembly
x86
elf
dynamic-linking
Why does some Windows booloader code zero registers with `sub` instead of `xor`?
May 08, 2026
assembly
x86
micro-optimization
zero-initialization
Seemingly unnecessary loop
May 08, 2026
visual-c++
assembly
x86
CPUID wrong values?
May 08, 2026
assembly
x86
cpuid
Can 128bit/64bit hardware unsigned division be faster in some cases than 64bit/32bit division on x86-64 Intel/AMD CPUs?
May 07, 2026
performance
assembly
x86
x86-64
integer-division
How to test a x64 CPU emulator
May 07, 2026
x86
emulation
x86-64
i386
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