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New posts in x86-64
Variadic functions without `...`
Nov 20, 2025
c
assembly
language-lawyer
x86-64
abi
Random memory write is slower than random memory read?
Nov 20, 2025
performance
x86-64
cpu-cache
memory-bandwidth
The address of C ++ pointer
Nov 19, 2025
c++
pointers
x86-64
memory-address
I can set up an arm64 docker image, but can't run anything
Nov 18, 2025
docker
x86-64
qemu
arm64
Is CMOVcc considered a branching instruction?
Nov 18, 2025
assembly
x86-64
cpu-architecture
micro-optimization
branch-prediction
Replacing the call-stack of an application
Nov 16, 2025
windows
assembly
winapi
x86-64
backtrace
Is there an equivalent register to Intel's MSR_SMI_COUNT on AMD architecture?
Nov 05, 2025
x86-64
hardware
amd-processor
SSE Instruction to load Bytes with Zero Extension?
Nov 04, 2025
c
assembly
x86
x86-64
sse
how to reference local variables on the stack properly
Nov 02, 2025
assembly
stack
x86-64
Segmentation fault when calling printf from C function called from assembly [duplicate]
Nov 02, 2025
c
assembly
segmentation-fault
x86-64
quicksort
Performance difference of signed and unsigned integers of non-native length
Nov 01, 2025
c++
assembly
optimization
x86-64
compiler-optimization
How is CR8 register used to prioritize interrupts in an x86-64 CPU?
Oct 31, 2025
x86-64
intel
interrupt
cpu-architecture
amd-processor
Using CPUID to get cache size in Ryzen CPU
Nov 01, 2025
assembly
x86-64
cpu-cache
amd-processor
cpuid
How to force clang assembler to emit the `rex.W` prefix?
Oct 31, 2025
assembly
x86-64
Transition of multi-core processor from real mode to protected mode in Linux
Oct 31, 2025
linux
linux-kernel
x86-64
boot
bootloader
What does 'callq *(%rax)' mean?
Oct 31, 2025
assembly
x86-64
att
Why the number of x86 int registers is 8?
Oct 31, 2025
assembly
x86
x86-64
cpu-architecture
cpu-registers
why cannot define same local label in multiple functions?
Oct 30, 2025
assembly
syntax
x86-64
gnu-assembler
PMC to count if software prefetch hit L1 cache
Oct 29, 2025
x86-64
intel
performancecounter
memory-barriers
intel-pmu
Can I use a single "pthread_mutexattr_t" attribute to initialize two different mutexes?
Oct 29, 2025
c
pthreads
mutex
x86-64
suse
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