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Check whether __m128i is zero?

score 2689 · Answer 1 · 2024-10-23 10:14:26

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TechQA.

List Question

Check whether __m128i is zero?

Compare two 16-byte values for equality using up to SSE 4.2?

For some reason serial code runs faster than SIMD code

SSE - AVX conversion from double to char

GCC emits vastly different code using "-march=native" on similar architectures

Wrapper for `__m256` Producing Segmentation Fault with Constructor - Windows 64 + MinGW + AVX Issues

32-bit Hamming String formation from 32 8-bit comparisons

MinGW64 Is Incapable of 32 Byte Stack Alignment (Required for AVX on Windows x64), Easy Work Around or Switch Compilers?

Largest data type which can be fetch-ANDed atomically?

(Vec4 x Mat4x4) product using SIMD and improvements

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