StackOverflow Questions for Tag: simd

Ilian Zapryanov
Ilian Zapryanov

Reputation: 1184

golang and C with SIMD instructions

Score: 0

Views: 96

Answers: 1

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Daniel Gee
Daniel Gee

Reputation: 438

Chrome 32 Bit: This browser/engine doesn't support WASM SIMD

Score: 0

Views: 30

Answers: 0

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wrgj
wrgj

Reputation: 41

Does AVX-512 scatter work efficiently on Zen 5?

Score: 0

Views: 43

Answers: 0

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Baba Dan Constantin
Baba Dan Constantin

Reputation: 123

SSE4.1 slower than SSE3 on 4x4 matrix multiplication?

Score: 3

Views: 88

Answers: 1

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fabian
fabian

Reputation: 1881

Why does _mm256_unpacklo "jump" a double-word and where does it says so in the documentation?

Score: 4

Views: 77

Answers: 1

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superb owl
superb owl

Reputation: 185

Does SSE/AVX provide a means of determining if a result was rounded up?

Score: 4

Views: 736

Answers: 1

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Izzo
Izzo

Reputation: 4928

Are SIMD and VLIW instructions the same thing?

Score: 2

Views: 3107

Answers: 2

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AG1
AG1

Reputation: 6774

Pack high bit of every byte in ARM, for 64 bytes like AVX512 vpmovb2m?

Score: 3

Views: 253

Answers: 3

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YiFei
YiFei

Reputation: 1856

SIMD load across memory boundary doesn't cause segfault?

Score: 2

Views: 113

Answers: 4

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xiver77
xiver77

Reputation: 2322

Best way to mask a single bit in AVX2?

Score: 4

Views: 1008

Answers: 3

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Srihari S
Srihari S

Reputation: 97

Do all processors supporting AVX2 support F16C?

Score: 1

Views: 109

Answers: 1

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pythonic
pythonic

Reputation: 21655

Is there a way to convert an integer to 1 if it is >= 1 without using any relational operator?

Score: 3

Views: 1129

Answers: 9

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kalwalt
kalwalt

Reputation: 492

How correctly convert _mm_hadd_epi32 to equivalent C++ code (wasm_simd128.h) with Emscripten?

Score: 1

Views: 127

Answers: 1

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plasmacel
plasmacel

Reputation: 8538

How to efficiently perform double/int64 conversions with SSE/AVX?

Score: 28

Views: 11142

Answers: 4

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Poperton
Poperton

Reputation: 2204

How to auto-vectorize (SIMD) a modular multiplication in Rust

Score: 2

Views: 147

Answers: 1

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Kevin Meier
Kevin Meier

Reputation: 2582

AVX2: Get every second int32

Score: 2

Views: 115

Answers: 2

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person the human
person the human

Reputation: 405

Storing and retrieving number from C++23 experimental simd gives random result

Score: 1

Views: 143

Answers: 1

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neoexpert
neoexpert

Reputation: 468

invert a FloatVector (1/each element)

Score: -1

Views: 70

Answers: 1

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myej
myej

Reputation: 65

How to avoid if statement? for the compiler cannot optimize it to simd

Score: 0

Views: 222

Answers: 2

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invertedPanda
invertedPanda

Reputation: 328

How to optimize cell-width measuring with SIMD (find the first column to have a non-zero byte in an 8x8 block of bytes)

Score: 3

Views: 138

Answers: 2

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