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New posts in sse
performance of SSE and AVX when both Memory-band width limited
Oct 22, 2025
performance
caching
sse
avx
Set an XMM register to a repeating byte pattern (broadcast a constant byte)
Oct 21, 2025
assembly
sse
micro-optimization
sse2
How to best emulate the logical meaning of _mm_slli_si128 (128-bit bit-shift), not _mm_bslli_si128
Oct 22, 2025
c
sse
simd
intrinsics
sse2
Aliasing of NEON vector data types
Oct 21, 2025
c++
c
sse
simd
neon
Meaning of XMM register values shown in Visual Studio debugger's register window
Oct 19, 2025
visual-studio
sse
visual-studio-debugging
cpu-registers
How to convert int 64 to int 32 with avx (but without avx-512)
Oct 19, 2025
simd
sse
avx
Why does __m128 cause alignment issues in a union with float x/y/z?
Oct 18, 2025
c
simd
sse
unions
memory-alignment
Out-of-range floating point to integer conversion breaks in VS2022 executable when linking VS2017 or VS2019 libraries
Oct 17, 2025
c
visual-c++
floating-point
sse
floating-point-conversion
optimising column-wise maximum with SIMD
Oct 17, 2025
c++
sse
simd
intrinsics
avx
Should you pass __m128 (and other register types) by reference or by copy?
Sep 23, 2025
c++
simd
sse
intrinsics
average operation ARM NEON
Sep 22, 2025
arm
sse
simd
neon
intrinsics
How to compile a project which requires SSE2 on MacBook with M1 chip?
Sep 18, 2025
sse
apple-m1
vector-class-library
Why is SIMD slower than scalar counterpart
Sep 16, 2025
assembly
x86
sse
simd
CVTTSD2SI - a truncating instruction - uses rounding with "inexact" results?
Sep 16, 2025
assembly
x86
sse
floating-point-conversion
How to store 4 32 bit floats into one 128 bit xmm register?
Sep 14, 2025
assembly
x86
x86-64
sse
simd
gcc vector extensions don't work as stated in docs
Sep 13, 2025
gcc
sse
vectorization
How to move (up to) 16 single bytes into an XMM register?
Sep 09, 2025
assembly
x86
intel
sse
simd
No insert and extract for float/double in SSE and AVX?
Sep 09, 2025
c++
floating-point
sse
simd
avx
Auto-vectorize shuffle instruction
Sep 09, 2025
c
sse
avx2
auto-vectorization
Why won't simple code get auto-vectorized with SSE and AVX in modern compilers?
Sep 05, 2025
c
optimization
sse
avx
auto-vectorization
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