Question

Practical advantages of std::copy, std::equal, std::fill over memcpy, memset, memcmp

score 390 · Answer 1 · 2023-11-17T10:10:09.497000

390

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Practical advantages of std::copy, std::equal, std::fill over memcpy, memset, memcmp

Published on 17 November 2023 at 10:10

score 162 · Answer 2 · 2023-10-25T18:08:39.277000

162

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using memcmp for image matching?

Published on 25 October 2023 at 18:08

score 297 · Answer 3 · 2023-10-22T20:59:29.207000

297

Views

Understanding the return from memcmp

Published on 22 October 2023 at 20:59

score 342 · Answer 4 · 2023-09-01T04:44:14.643000

342

Views

What prevents the compiler from optimizing a hand written memcmp()?

Published on 01 September 2023 at 04:44

score 27 · Answer 5 · 2023-04-12T09:31:43.820000

27

Views

Same endian machines but different outputs

Published on 12 April 2023 at 09:31

score 339 · Answer 6 · 2023-01-14T20:46:59.797000

339

Views

C++17 std::byte produces less optimized code with the standard algorithms in GCC

Published on 14 January 2023 at 20:46

score 59 · Answer 7 · 2022-11-13T17:37:37.177000

59

Views

Merit of signed comparison return of memcmp

Published on 13 November 2022 at 17:37

score 136 · Answer 8 · 2022-08-19T11:04:04.397000

136

Views

How the memcmp on structure with integer variable in c lang compares. Result is not as expected

Published on 19 August 2022 at 11:04

score 347 · Answer 9 · 2022-07-08T03:38:07.730000

347

Views

Are there other C standard library functions like memcmp that have timing side-channel risk?

Published on 08 July 2022 at 03:38

score 134 · Answer 10 · 2022-01-13T16:19:32.290000

134

Views

memcmp difference between gcc 10.3 and gcc 11.1 for char16_t

Published on 13 January 2022 at 16:19

score 142 · Answer 11 · 2021-06-28T20:27:53.223000

142

Views

Why memcmp return int

Published on 28 June 2021 at 20:27

score 233 · Answer 12 · 2021-04-18T23:05:02.057000

233

Views

Compare two doubles to see if they are the same NaN

Published on 18 April 2021 at 23:05

score 1.7k · Answer 13 · 2021-03-01T11:58:26.727000

1.7k

Views

What exactly does memcmp return?

Published on 01 March 2021 at 11:58

score 1.8k · Answer 14 · 2021-02-27T16:08:42.697000

1.8k

Views

Comparing integers with memcmp()

Published on 27 February 2021 at 16:08

score 748 · Answer 15 · 2020-12-09T09:25:39.787000

748

Views

Identify exactly where memcmp fails

Published on 09 December 2020 at 09:25

score 21 · Answer 16 · 2020-10-29T02:27:41.173000

21

Views

static_assert failed: size of struct is not the same as sum of sizes of all properties

Published on 29 October 2020 at 02:27

score 104 · Answer 17 · 2020-08-13T09:55:18.730000

104

Views

Test of 8 subsequent bytes isn't translated into a single compare instruction

Published on 13 August 2020 at 09:55

score 273 · Answer 18 · 2020-02-28T19:33:28.520000

273

Views

How to prevent Atmel Studio gcc 6.3.1 from optimizing 4-byte memcmp() to a 4-byte direct comparison?

Published on 28 February 2020 at 19:33

score 97 · Answer 19 · 2020-02-19T12:41:07.760000

97

Views

C - occasional CPU stall during memcmp on Cortex-R5

Published on 19 February 2020 at 12:41

score 4.3k · Answer 20 · 2020-02-05T16:22:20.187000

4.3k

Views

How to compare generic structs in C++?

Published on 05 February 2020 at 16:22

List Question

Practical advantages of std::copy, std::equal, std::fill over memcpy, memset, memcmp

using memcmp for image matching?

Understanding the return from memcmp

What prevents the compiler from optimizing a hand written memcmp()?

Same endian machines but different outputs

C++17 std::byte produces less optimized code with the standard algorithms in GCC

Merit of signed comparison return of memcmp

How the memcmp on structure with integer variable in c lang compares. Result is not as expected

Are there other C standard library functions like memcmp that have timing side-channel risk?

memcmp difference between gcc 10.3 and gcc 11.1 for char16_t

Why memcmp return int

Compare two doubles to see if they are the same NaN

What exactly does memcmp return?

Comparing integers with memcmp()

Identify exactly where memcmp fails

static_assert failed: size of struct is not the same as sum of sizes of all properties

Test of 8 subsequent bytes isn't translated into a single compare instruction

How to prevent Atmel Studio gcc 6.3.1 from optimizing 4-byte memcmp() to a 4-byte direct comparison?

C - occasional CPU stall during memcmp on Cortex-R5

How to compare generic structs in C++?

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