StackOverflow Questions for Tag: sse

Edison von Myosotis

Reputation: 643

double to float NaN-conversion

c++floating-pointnansseieee-754

Score: 0

Answers: 1

Michał Brodziak

Reputation: 11

Vectorized function slower than reference when compiled without optimization (multiple 4-element FP dot-products)

c++matrixvectorizationsimdsse

Score: 0

Answers: 0

user2088790

Reputation:

How to use Fused Multiply-Add (FMA) instructions with SSE/AVX

cssecpu-architectureavxfma

Score: 48

Answers: 2

Baba Dan Constantin

Reputation: 123

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

c++matrixsimdssematmul

Score: 3

Answers: 1

superb owl

Reputation: 185

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

x86roundingssesimdavx

Score: 4

Answers: 1

song xs

Reputation: 81

Is floating point math determinstic for all intel/amd cpus?

x86floating-pointx86-64precisionsse

Score: 1

Answers: 2

Filip Navara

Reputation: 4828

Write access violation on read instruction (MOVQ load on old Athlon XP)

visual-c++x86sseamd-processorsse2

Score: 2

Answers: 1

Brendan McKay

Reputation: 138

Portably testing for the POPCNT instruction

configsseconfigureautoconfcpu-architecture

Score: 2

Answers: 2

NeomerArcana

Reputation: 2311

What series of intrinsics will complete this paeth prediction code?

c++sseintrinsics

Score: 0

Answers: 2

tdenniston

Reputation: 3519

Calculating constants for CRC32 using PCLMULQDQ

ssecrc32modular-arithmeticgalois-field

Score: 2

Answers: 2

Gordon Kindlmann

Reputation: 61

Classification of x86 instructions according to floating point rounding mode sensitivity?

assemblyfloating-pointx86-64sserounding-error

Score: 5

Answers: 1

St.Antario

Reputation: 27435

Why do x86 FP compares set CF like unsigned integers, instead of using signed conditions?

assemblyx86ssesse2x87

Score: 4

Answers: 2

formateu

Reputation: 167

Intel x86_64 assembly compare signed double precision floats

assemblyx86-64intelprecisionsse

Score: 3

Answers: 3

kalwalt

Reputation: 492

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

webassemblysimdsseemscripten

Score: 1

Answers: 1

plasmacel

Reputation: 8538

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

c++floating-pointssesimdavx

Score: 28

Answers: 4

Mathai

Reputation: 839

Is there a way to utilize all XMM registers?

c++cssecpu-registers

Score: 6

Answers: 3

Gabriel Lim

Reputation: 13

Output errors when using libmvec intrinsics for trigo functions manually (like cosf)

c++gccglibcsseintrinsics

Score: 1

Answers: 1

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)

cx86-64simdsseavx

Score: 3

Answers: 2

user18490

Reputation: 3839

Is worth using SSE or should I just rely on the compiler?

c++optimizationintelsimdsse

Score: 3

Answers: 2

Ovinus Real

Reputation: 568

Why does x86 ldmxcsr/stmxcsr take a memory operand?

assemblyx86cpu-architecturesse

Score: 2

Answers: 1

PreviousPage 1Next