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New posts in x86
multi-word addition using the carry flag
Sep 17, 2022
c
visual-c++
gcc
assembly
x86
Loop with function call faster than an empty loop
Sep 17, 2022
c
performance
assembly
x86
fasm
Dynamically determining where a rogue AVX-512 instruction is executing
Sep 17, 2022
linux
performance
x86
intel
avx512
Bit trick to detect if any of some integers has a specific value
Sep 17, 2022
c++
performance
optimization
x86
bit-manipulation
Why can't my ultraportable laptop CPU maintain peak performance in HPC
Dec 27, 2018
performance
x86
intel
hpc
cpu-speed
How many bytes do RESB, RESW, RESD, RESQ allocate in NASM? [duplicate]
Sep 17, 2022
assembly
x86
nasm
prefetching data at L1 and L2
Aug 24, 2022
c
x86
cpu
cpu-cache
Legacy BIOS bootloader to bootstrap real-mode code in second stage
Dec 11, 2021
assembly
x86
usb
bootloader
osdev
Why do SSE instructions preserve the upper 128-bit of the YMM registers?
Sep 17, 2022
performance
x86
avx
Why does this code enable me to detect a debugger?
Mar 03, 2022
windows
debugging
assembly
x86
reverse-engineering
How to compare two vectors using SIMD and get a single boolean result?
Aug 31, 2022
assembly
x86
sse
simd
Will runtimes like CLR and JVM be able to use Haswell TSX instructions?
Feb 13, 2022
x86
clr
intel
transactional-memory
intel-tsx
c library x86/x64 assembler
Sep 17, 2022
c
assembly
x86
64-bit
What are the differences comparing PIE, PIC code and executable on 64-bit x86 platform?
Sep 24, 2022
c
linux
assembly
x86
elf
Why is Skylake so much better than Broadwell-E for single-threaded memory throughput?
Jan 28, 2022
performance
x86
benchmarking
intel
cpu-architecture
_mm_load_ps vs. _mm_load_pd vs. etc on Intel x86 ISA
Mar 03, 2022
c
x86
intel
sse
simd
Why is it not possible to push a byte onto a stack on Pentium IA-32?
Sep 17, 2022
assembly
intel
x86
Proper usage of volatile sig_atomic_t
Oct 15, 2022
c
linux
x86
c++11
signals
Is there an x86 opcode for moving an immediate byte to a direct memory location (without using registers)?
Sep 25, 2022
assembly
x86
opcodes
Why does __sync_add_and_fetch work for a 64 bit variable on a 32 bit system?
Jan 11, 2022
c
gcc
x86
synchronization
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