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New posts in x86
(Writing kernel) How do I modify the interrupt descriptor table?
Sep 25, 2022
x86
kernel
interrupt-handling
osdev
context-switch
Memory alignment today and 20 years ago
Aug 30, 2022
c
gcc
assembly
x86
Why does CLFLUSH exist in x86?
Sep 14, 2022
x86
cpu-architecture
cpu-cache
cache-invalidation
persistent-memory
Odd optimisation problem under MSVC
Mar 16, 2022
c++
optimization
assembly
x86
intel
Bit popcount for large buffer, with Core 2 CPU (SSSE3)
Jun 11, 2019
c
assembly
optimization
x86
hammingweight
Calling convention for function returning struct
Feb 10, 2017
c
windows
linux
x86
calling-convention
How do the Conflict Detection instructions make it easier to vectorize loops?
Apr 12, 2021
x86
vectorization
simd
intel-mic
avx512
Useless allocated Stackspace?
Sep 15, 2019
c
assembly
x86
stack
Why does x86 nopl instruction take an operand? [duplicate]
Oct 22, 2022
assembly
x86
x86-64
instructions
nop
Meaning of BND RET in x86
Dec 20, 2019
assembly
x86
return
disassembly
opcode
What's the fastest stride-3 gather instruction sequence?
Mar 29, 2021
c++
x86
vectorization
avx2
Is there a complete x86 assembly language reference that uses AT&T syntax? [closed]
Feb 23, 2017
assembly
x86
intel
Is there a penalty when base+offset is in a different page than the base?
Jun 07, 2022
performance
assembly
x86
micro-optimization
64 to 32 bit Interop - how?
Jul 29, 2022
.net
com
interop
x86
64-bit
Why is this assembly code faster?
Oct 28, 2019
c++
performance
x86
lexer
micro-optimization
Linux memory segmentation
Sep 14, 2022
linux
linux-kernel
x86
osdev
memory-segmentation
Why are Intel x87 registers 80 bits wide?
Sep 10, 2015
assembly
x86
intel
cpu-architecture
x87
How is POPCNT implemented in hardware?
Nov 04, 2022
assembly
x86
hardware
Why are there 128bit load functions for SSE?
Sep 16, 2021
c++
x86
sse
simd
intrinsics
Is there a list of deprecated x86 instructions?
Oct 22, 2022
assembly
x86
intel
deprecated
instructions
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