Question

Clamp unsigned int to 0x10000 using SSE2

score 278 · Answer 1 · 2024-02-02T17:46:47.663000

278

Views

Clamp unsigned int to 0x10000 using SSE2

Published on 02 February 2024 at 17:46

score 170 · Answer 2 · 2023-10-24T13:43:02.090000

170

Views

How to add an alpha channel very fast to a RGB image using SSE2 and c++

Published on 24 October 2023 at 13:43

score 117 · Answer 3 · 2023-09-04T11:46:20.447000

117

Views

Suggestions on further optimising this chi-square function using SSE2 intrinsics

Published on 04 September 2023 at 11:46

score 121 · Answer 4 · 2023-08-03T14:07:46.157000

121

Views

Matrix multiplication using simd produces incorrect results when filled with floating point values

Published on 03 August 2023 at 14:07

score 94 · Answer 5 · 2023-06-08T22:36:52.790000

94

Views

Sum of bytes in an __m128 register

Published on 08 June 2023 at 22:36

score 279 · Answer 6 · 2023-02-15T10:58:37.470000

279

Views

Why isn't Avx.Multiply significantly faster than the * operator?

Published on 15 February 2023 at 10:58

score 418 · Answer 7 · 2022-12-17T04:24:44.633000

418

Views

In SIMD, SSE2，many instructions named as "_mm_set_epi8"，"_mm_cmpgt_epi8 " and so on，what does "mm" "epi" mean?

Published on 17 December 2022 at 04:24

score 815 · Answer 8 · 2022-11-08T12:20:38.980000

815

Views

MOVDQU vs MOVDQA Instruction (x86/x64 assembly) better insights

Published on 08 November 2022 at 12:20

score 400 · Answer 9 · 2022-11-08T06:26:59.540000

400

Views

Efficiently find indices of 1-bits in large array, using SIMD

Published on 08 November 2022 at 06:26

score 97 · Answer 10 · 2022-11-07T19:27:55.860000

97

Views

C++ std::countr_zero() in SIMD 128/256/512 (find position of least significant 1 bit in 128/256/512-bit number)

Published on 07 November 2022 at 19:27

score 552 · Answer 11 · 2022-10-22T20:04:10.110000

552

Views

Having array of 16/32/64 bytes how to quickly find index of first byte equal to given, using SSE2/AVX/AVX2/AVX-512

Published on 22 October 2022 at 20:04

score 430 · Answer 12 · 2022-10-13T04:04:54.657000

430

Views

How can I implement Bit Shift Right and Bit Shift Left by Vector for 8-bit and 16-bit integers in SSE2?

Published on 13 October 2022 at 04:04

score 318 · Answer 13 · 2022-07-23T14:37:42.500000

318

Views

Access value from __m128 in rust by index

Published on 23 July 2022 at 14:37

score 114 · Answer 14 · 2022-06-25T06:57:43.047000

114

Views

Why some of sse intrinsics introduce move back and forth?

Published on 25 June 2022 at 06:57

score 454 · Answer 15 · 2022-04-30T22:46:12.617000

454

Views

AVX divide __m256i packed 32-bit integers by two (no AVX2)

Published on 30 April 2022 at 22:46

score 39 · Answer 16 · 2022-03-08T02:01:06.267000

39

Views

Does packed data type in SSE2 imply alignment?

Published on 08 March 2022 at 02:01

score 1.2k · Answer 17 · 2022-01-30T04:35:48.627000

1.2k

Views

What are the names and meanings of the intrinsic vector element types, like epi64x or pi32?

Published on 30 January 2022 at 04:35

score 257 · Answer 18 · 2021-12-05T18:35:59.667000

257

Views

Can FP compares like SSE2 _mm_cmpeq_pd be used to compare 64 bit integers?

Published on 05 December 2021 at 18:35

score 626 · Answer 19 · 2021-09-28T00:51:04.067000

626

Views

Is there a difference between SVML vs. normal intrinsic square root functions?

Published on 28 September 2021 at 00:51

score 635 · Answer 20 · 2021-08-26T13:35:42.320000

635

Views

can I assign the result of intrinsic that returns m128i to variable of the typem128i_u?

Published on 26 August 2021 at 13:35

List Question

Clamp unsigned int to 0x10000 using SSE2

How to add an alpha channel very fast to a RGB image using SSE2 and c++

Suggestions on further optimising this chi-square function using SSE2 intrinsics

Matrix multiplication using simd produces incorrect results when filled with floating point values

Sum of bytes in an __m128 register

Why isn't Avx.Multiply significantly faster than the * operator?

In SIMD, SSE2，many instructions named as "_mm_set_epi8"，"_mm_cmpgt_epi8 " and so on，what does "mm" "epi" mean?

MOVDQU vs MOVDQA Instruction (x86/x64 assembly) better insights

Efficiently find indices of 1-bits in large array, using SIMD

C++ std::countr_zero() in SIMD 128/256/512 (find position of least significant 1 bit in 128/256/512-bit number)

Having array of 16/32/64 bytes how to quickly find index of first byte equal to given, using SSE2/AVX/AVX2/AVX-512

How can I implement Bit Shift Right and Bit Shift Left by Vector for 8-bit and 16-bit integers in SSE2?

Access value from __m128 in rust by index

Why some of sse intrinsics introduce move back and forth?

AVX divide __m256i packed 32-bit integers by two (no AVX2)

Does packed data type in SSE2 imply alignment?

What are the names and meanings of the intrinsic vector element types, like epi64x or pi32?

Can FP compares like SSE2 _mm_cmpeq_pd be used to compare 64 bit integers?

Is there a difference between SVML vs. normal intrinsic square root functions?

can I assign the result of intrinsic that returns m128i to variable of the typem128i_u?

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