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New posts in x86-64
Why does my Intel Skylake / Kaby Lake CPU incur a mysterious factor 3 slowdown in a simple hash table implementation?
c++
performance
gcc
x86-64
hashtable
Why can't I move directly a byte to a 64 bit register?
assembly
x86-64
Bomb lab phase_4
assembly
reverse-engineering
x86-64
Can I load a 32 bit DLL into a 64 bit process on Windows?
.net
windows
64-bit
x86-64
C++ on x86-64: when are structs/classes passed and returned in registers?
c++
assembly
x86-64
calling-convention
abi
GNU assembler on Windows: WriteFile returns ERROR_INVALID_HANDLE
windows
winapi
assembly
x86-64
gnu-assembler
RDTSCP in NASM always returns the same value (timing a single instruction)
optimization
nasm
x86-64
windows64
rdtsc
How to use RIP Relative Addressing in a 64-bit assembly program?
assembly
64-bit
x86-64
gnu-assembler
Convert assembly instructions to bytes in gdb
assembly
gdb
x86-64
gfortran for dummies: What does mcmodel=medium do exactly?
memory-management
fortran
x86-64
gfortran
How can objdump emit intel syntax
linux
assembly
x86-64
objdump
Why does the compiler allocate more than needed in the stack?
c
gcc
stack
x86-64
allocation
Why can't GCC generate an optimal operator== for a struct of two int32s?
c++
gcc
x86-64
compiler-optimization
micro-optimization
What does fs:0x30 provide in Linux?
assembly
x86-64
reverse-engineering
glibc
thread-local-storage
64-bit syscall documentation for MacOS assembly
macos
assembly
x86-64
system-calls
abi
Distinguishing memory from constant in GNU as .intel_syntax
assembly
x86-64
gnu-assembler
intel-syntax
Can x86 reorder a narrow store with a wider load that fully contains it?
multithreading
assembly
x86
locking
x86-64
Performance optimisations of x86-64 assembly - Alignment and branch prediction
performance
assembly
x86-64
sse2
branch-prediction
x86_64 registers rax/eax/ax/al overwriting full register contents [duplicate]
assembly
x86-64
cpu-registers
zero-extension
REP MOVSB for overlapped memory
assembly
x86
x86-64
memcpy
memmove
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