StackOverflow Questions for Tag: avx2

Thomas42

Reputation: 21

Shuffle in between two ymm registers and fill with zeroes?

c++simdavx2

Score: 2

Answers: 0

geza

Reputation: 29970

What can cause an AVX2 dot product to perform differently for different runs?

c++performancecpu-architectureavx2dot-product

Score: 8

Answers: 1

fabian

Reputation: 1881

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

c++simdintrinsicsavx2

Score: 4

Answers: 1

xiver77

Reputation: 2322

Best way to mask a single bit in AVX2?

cx86simdavxavx2

Score: 4

Answers: 3

Srihari S

Reputation: 97

Do all processors supporting AVX2 support F16C?

x86x86-64simdavx2half-precision-float

Score: 1

Answers: 1

Steve Burns

Reputation: 319

What is the inverse of "_mm256_cvtepi16_epi32"

x86g++intrinsicsavxavx2

Score: 6

Answers: 1

Kevin Meier

Reputation: 2582

AVX2: Get every second int32

csimdavxavx2int32

Score: 2

Answers: 2

Etienne Sauvage

Reputation: 43

How to transform SSE assembly code to AVX1/2 assembly code?

assemblyx86-64avx2

Score: 1

Answers: 1

kdh

Reputation: 61

I need more performance for int8 vector multiplication (Intel AVX-512)

performancesimdavxavx2avx512

Score: 1

Answers: 1

einpoklum

Reputation: 132128

Counting 1 bits (population count) on large data using AVX-512 or AVX-2

assemblyavx2avx512bitcountpopulation-count

Score: 9

Answers: 2

E_1996

Reputation: 89

C++ AVX2 custom functions (e.g., "exp") not working on Windows (but work on Linux)

c++rcppintrinsicsavxavx2

Score: 0

Answers: 0

E_1996

Reputation: 89

C++ AVX2 Function Pointers/std::function not working on Windows (but work on Linux)

c++rcppintrinsicsavx2

Score: 1

Answers: 0

Christoph Diegelmann

Reputation: 2034

Fallback implementation for conflict detection in AVX2

c++x86intrinsicsavx2avx512

Score: 13

Answers: 1

Kevin Meier

Reputation: 2582

AVX2 / gcc: Improve CPU-level parallelism by using different registers

gccvectorizationcpu-architecturesimdavx2

Score: 2

Answers: 1

Levi Gibson

Reputation: 61

How to vectorise multiplication of an int8 array by an int16 constant, widening to int32 result array, in C (AVX2)

cx86simdintrinsicsavx2

Score: 5

Answers: 2

degski

Reputation: 672

How to implement lane crossing logical bit-wise shift/rotate (left and right) in AVX2

c++cbit-shiftavx2

Score: 7

Answers: 2

user1196549

Reputation:

Emulating byte-shifts on 32 bytes with AVX (lane-crossing)

c++simdintrinsicssse2avx2

Score: 12

Answers: 3

Sam

Reputation: 137

AVX 32-bit integer to double precision float best practice

avxavx2

Score: -1

Answers: 2

MouseWarrior

Reputation: 61

Differences between AVX and AVX2

x86matrix-multiplicationsimdavxavx2

Score: 5

Answers: 1

OC87

Reputation: 41

SIMD unpack 12-bit fields to 16-bit

cavxbit-fieldsavx2pixelformat

Score: 4

Answers: 1

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StackOverflow Questions for Tag: avx2

Shuffle in between two ymm registers and fill with zeroes?

What can cause an AVX2 dot product to perform differently for different runs?

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

Best way to mask a single bit in AVX2?

Do all processors supporting AVX2 support F16C?

What is the inverse of &quot;_mm256_cvtepi16_epi32&quot;

AVX2: Get every second int32

How to transform SSE assembly code to AVX1/2 assembly code?

I need more performance for int8 vector multiplication (Intel AVX-512)

Counting 1 bits (population count) on large data using AVX-512 or AVX-2

C++ AVX2 custom functions (e.g., &quot;exp&quot;) not working on Windows (but work on Linux)

C++ AVX2 Function Pointers/std::function not working on Windows (but work on Linux)

Fallback implementation for conflict detection in AVX2

AVX2 / gcc: Improve CPU-level parallelism by using different registers

How to vectorise multiplication of an int8 array by an int16 constant, widening to int32 result array, in C (AVX2)

How to implement lane crossing logical bit-wise shift/rotate (left and right) in AVX2

Emulating byte-shifts on 32 bytes with AVX (lane-crossing)

AVX 32-bit integer to double precision float best practice

Differences between AVX and AVX2

SIMD unpack 12-bit fields to 16-bit

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

What is the inverse of "_mm256_cvtepi16_epi32"

C++ AVX2 custom functions (e.g., "exp") not working on Windows (but work on Linux)