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New posts in x86
Is it possible to make GCC auto-vectorizer output intrinsics instead of assembly?
Dec 03, 2021
c
gcc
x86
intrinsics
auto-vectorization
Why do memory access times increase when far over CPU cache sizes
Aug 30, 2022
c++
performance
caching
memory
x86
Copying 64 bytes of memory with NT stores to one full cache line vs. 2 consecutive partial cache lines
Apr 05, 2022
c
performance
assembly
x86
avx
What is clang trying to do optimizing this simple recursive algorithm?
Mar 12, 2021
c
assembly
x86
clang
C calling convention: who cleans the stack in variadic functions vs normal functions?
Sep 06, 2022
c
x86
variadic-functions
calling-convention
cdecl
Assembly Converting MOV / MOVZX and MOVSX to C code (no inline asm)
Apr 20, 2021
c
assembly
x86
transformation
code-translation
How to map 1GB (or more) of physical memory under a 32-bit Linux kernel
Oct 23, 2019
c
linux
linux-kernel
x86
memory-mapping
Smashing Stack on Ubuntu 11.10
Apr 30, 2022
ubuntu
x86
segmentation-fault
stack
Why two bitwise or AVX instructions? [duplicate]
Jan 20, 2020
x86
bit-manipulation
avx
instructions
bitwise-or
How does the linker find the main function?
Mar 13, 2022
assembly
x86
x86-64
Can I generate AVX vectorized code using LLVM jit?
Feb 15, 2020
x86
llvm
jit
avx
Intel Galileo bare metal UART
Dec 01, 2018
c
x86
uart
bare-metal
intel-galileo
how are structs passed as parameters in assembly
Jun 13, 2017
assembly
x86
stdcall
cdecl
Under what circumstances does control pass from userspace to the Linux kernel space?
Oct 24, 2022
linux
linux-kernel
x86
Fibonacci Series in Assembly x86
Oct 30, 2022
assembly
x86
fibonacci
Why does VC++ 2010 often use ebx as a "zero register"?
Sep 12, 2021
visual-c++
assembly
x86
visual-c++-2010
Is virtual memory used when using Port-mapped I/O?
Oct 24, 2022
c
linux
x86
device-driver
virtual-memory
How does dynamic recompilation handle instruction-pointer checks in software virtualization?
Dec 25, 2019
compilation
x86
virtualbox
virtualization
x86-emulation
Hardware cache events and perf
Jun 07, 2022
linux
performance
x86
perf
intel-pmu
Can ptrace tell if an x86 system call used the 64-bit or 32-bit ABI?
Jun 08, 2022
linux
x86
x86-64
system-calls
ptrace
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