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New posts in simd
SSE2 convert packed RGB to RGBA pixels (add a 4th 0xFF byte after every 3 bytes) [duplicate]
Jan 27, 2026
c
opengl
sse
simd
vectorization
Convert 8 16 bit SSE register to 8bit data
Jan 26, 2026
x86
intel
sse
simd
How to optimize a simple loop?
Jan 26, 2026
c++
optimization
vectorization
multicore
simd
SIMD Intrinsics difference between Vector<T>, advsimd and sse?
Jan 22, 2026
c#
.net
simd
intrinsics
What do the terms 'Instruction Stream' and 'Data Stream' mean in the context of Flynn's Taxonomy?
Jan 24, 2026
parallel-processing
simd
cpu-architecture
pipelining
Pack high bit of every byte in ARM, for 64 bytes like AVX512 vpmovb2m?
Jan 20, 2026
c
arm
simd
arm64
neon
Calculating floor & ceil of vector2 double using pre-SSE4
Jan 03, 2026
c++
assembly
sse
simd
intrinsics
Does GCC have a pragma to enforce auto-vectorization? [duplicate]
Jan 02, 2026
c
gcc
vectorization
simd
auto-vectorization
Porting ARM NEON code to AARCH64, many questions
Jan 01, 2026
android
arm
simd
neon
arm64
Is there a best way to deal with undefined behavior in bitwise conversion between floats and integers in C++14, C++17, C++20 and different compilers?
Jan 01, 2026
c++
c++17
c++20
simd
type-punning
Optimal instruction sequence for AVX512 gather of 4D vectors
Jan 01, 2026
c++
vectorization
intel
simd
avx512
Bullet Physics quaternion sse implementation doubts
Dec 30, 2025
math
x86
sse
simd
quaternions
Which is better? mask_compress + store or mask_compressstoreu
Dec 22, 2025
simd
avx512
Unhandled exception in using intrinsic
Dec 21, 2025
x86
sse
simd
How to sum all 32-bit or 64-bit sub-registers in an SSE XMM, or AVX YMM, and ZMM register?
Dec 20, 2025
sse
simd
avx
Casting an [Float] to [simd_float4] in Swift
Dec 18, 2025
c
swift
simd
Optimal uint8_t bitmap into a 8 x 32bit SIMD "bool" vector
Dec 13, 2025
c++11
simd
avx
avx2
Slow SIMD performance - no inlining
Dec 13, 2025
rust
simd
sse
avx2
Are SIMD and VLIW instructions the same thing?
Dec 11, 2025
x86
cpu-architecture
simd
instruction-set
vliw
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