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New posts in x86
What are the microarchitectural details behind MSBDS (Fallout)?
Feb 13, 2021
security
x86
cpu-architecture
speculative-execution
cpu-mds
Is it possible to wake up intel cores with INIT-SIPI-SIPI sequence with all cores in real mode?
Jan 07, 2022
assembly
x86
dos
multicore
fasm
Compare two __m128i values for total order
Jun 30, 2021
c++
x86
x86-64
simd
intrinsics
x86 instruction set roadmap
Aug 16, 2022
assembly
x86
opcode
a Simple "Hello World" Inline Assembly language Program in C/C++
Nov 19, 2022
c
assembly
x86
inline-assembly
How many assembly languages are there [closed]
May 01, 2021
assembly
x86
How to receive L1, L2 & L3 cache size using CPUID instruction in x86
Oct 31, 2018
caching
x86
intel
cpu-cache
cpuid
How to store lower or higher values from AVX/AVX2(YMM) register to memory like the SSE movlps/movhps does?
Feb 21, 2017
x86
sse
simd
avx
avx2
Math.Atan2 and FPATAN
Jan 29, 2018
c#
.net
x86
trigonometry
Assembly syntax for masked vector Intel AVX-512 instructions
Aug 11, 2022
x86
inline-assembly
icc
intel-mic
intel
When can the CPU ignore the LOCK prefix and use cache coherency?
Sep 20, 2022
multithreading
caching
concurrency
x86
cpu
Startup of Winforms program 10x slower under x64 relative to x86
Mar 09, 2020
c#
winforms
performance
x86
64-bit
How do I force gcc to call a function directly in PIC code?
Feb 16, 2021
c
gcc
x86
position-independent-code
plt
Are RMW instructions considered harmful on modern x86?
Nov 26, 2021
assembly
optimization
x86
intel
Does `xchg` encompass `mfence` assuming no non-temporal instructions?
Feb 05, 2022
multithreading
assembly
x86
intel
memory-barriers
Why wasn't MASKMOVDQU extended to 256-bit and 512-bit stores?
Dec 02, 2021
caching
x86
intel
cpu-architecture
Why does using MFENCE with store instruction block prefetching in L1 cache?
Sep 12, 2022
performance
x86
intel
memory-barriers
prefetch
32-byte aligned routine does not fit the uops cache
Jan 02, 2022
performance
assembly
x86
intel
cpu-architecture
Is the address checked by the memory alignment check mechanism a effective address, a linear address or a physical address?
Sep 02, 2022
assembly
x86
memory-alignment
osdev
memory-segmentation
x86: ZF not always updated by AND?
May 24, 2019
assembly
x86
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