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New posts in cpu-architecture
Why is a conditional move not vulnerable for Branch Prediction Failure?
Aug 17, 2022
performance
assembly
optimization
cpu-architecture
branch-prediction
atomic operation cost
Aug 17, 2022
performance
atomic
cpu-architecture
lock-free
Why does Intel hide internal RISC core in their processors?
Oct 16, 2019
assembly
x86
intel
cpu-architecture
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
Nov 02, 2022
assembly
x86
mips
x86-64
cpu-architecture
What's the difference between a word and byte?
Oct 30, 2022
assembly
memory
hardware
terminology
cpu-architecture
Why do x86-64 systems have only a 48 bit virtual address space?
Aug 16, 2022
x86-64
virtual-memory
cpu-architecture
What is the "FS"/"GS" register intended for?
Aug 16, 2022
assembly
x86
cpu-architecture
cpu-registers
memory-segmentation
Are there any smart cases of runtime code modification?
Aug 16, 2022
executable
cpu-architecture
instructions
self-modifying
platform-agnostic
Write-back vs Write-Through caching?
Aug 16, 2022
caching
cpu-architecture
cpu-cache
Bubble sort slower with -O3 than -O2 with GCC
Oct 05, 2022
c
gcc
x86-64
cpu-architecture
compiler-optimization
Why is processing an unsorted array the same speed as processing a sorted array with modern x86-64 clang?
Sep 15, 2022
c++
performance
clang
cpu-architecture
branch-prediction
What is difference between sjlj vs dwarf vs seh?
Oct 21, 2022
c++
compiler-construction
mingw
cpu-architecture
mingw-w64
Why is a boolean 1 byte and not 1 bit of size?
Aug 14, 2022
c++
boolean
byte
cpu-architecture
abi
What is the difference between Trap and Interrupt?
Aug 14, 2022
x86
operating-system
kernel
interrupt
cpu-architecture
What Every Programmer Should Know About Memory?
Aug 14, 2022
optimization
memory
x86
cpu-architecture
cpu-cache
intel
What is the purpose of the "Prefer 32-bit" setting in Visual Studio and how does it actually work?
Nov 06, 2022
c#
.net
visual-studio
compilation
cpu-architecture
Difference between core and processor
Aug 14, 2022
cpu
core
cpu-architecture
What is a retpoline and how does it work?
Aug 14, 2022
security
assembly
x86
cpu-architecture
spectre
Deoptimizing a program for the pipeline in Intel Sandybridge-family CPUs
Mar 11, 2021
c++
optimization
x86
intel
cpu-architecture
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
Aug 13, 2022
c++
assembly
x86-64
cpu-architecture
flops
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