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How minimize "false sharing" in this array processing with OpenMP?

score 91 · Answer 1 · 2024-01-25T18:17:01.553000

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How minimize "false sharing" in this array processing with OpenMP?

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score 116 · Answer 2 · 2023-06-20T08:35:33.530000

How to modify a Linux kernel header file without compiling like livepatch?

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score 33 · Answer 3 · 2023-05-10T02:38:40.260000

Is there false-sharing when writing to unique elements of an output array?

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score 77 · Answer 4 · 2023-03-27T12:39:04.807000

Workaround for writing in different entries of the same vector in multithreading

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score 107 · Answer 6 · 2023-02-09T05:15:55.407000

How many cycles does false sharing cost?

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score 47 · Answer 7 · 2022-10-18T08:14:56.373000

Why using an array to store partial result of worker threads and then summing them up is inefficient?

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How can one analyze cacheline contention for multithreaded programs on Linux/AMD? Like "perf c2c" can for Intel

134 views Asked by Dan Kennedy At 07 October 2022 at 16:56

score 211 · Answer 9 · 2022-08-14T13:10:14.657000

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211 views Asked by Siarczansodu99 At 14 August 2022 at 13:10

score 1125 · Answer 10 · 2022-06-19T04:22:47.940000

@jdk.internal.vm.annotation.Contended didn't work

1.1k views Asked by Kavishka Madhushan At 19 June 2022 at 04:22

score 263 · Answer 11 · 2022-06-01T09:51:46.463000

Is false sharing the case with heap memory?

263 views Asked by Kaiyakha At 01 June 2022 at 09:51

score 377 · Answer 12 · 2022-05-16T19:03:37.947000

Array Padding does not mitigate false sharing? C, OpenMP

377 views Asked by GingerGengar123 At 16 May 2022 at 19:03

score 156 · Answer 13 · 2022-05-11T09:00:10.823000

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156 views Asked by king At 11 May 2022 at 09:00

score 114 · Answer 14 · 2022-05-08T20:16:59.540000

How can I show that not false sharing results in performance benefit using 2 threads and two vectors of ints in C++?

114 views Asked by chitanda At 08 May 2022 at 20:16

score 2402 · Answer 15 · 2022-05-05T11:44:17.797000

Should the cache padding size of x86-64 be 128 bytes?

2.4k views Asked by QuarticCat At 05 May 2022 at 11:44

score 224 · Answer 16 · 2022-03-28T10:39:00.427000

C++ with OpenMP try to avoid the false sharing for tight looped array

224 views Asked by Mangoccc At 28 March 2022 at 10:39

score 123 · Answer 17 · 2022-01-30T14:36:43.940000

Multithread false sharing in window

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score 243 · Answer 18 · 2022-01-24T07:28:31.787000

@Contended annotation did not add padding bytes on zulu jdk8?

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score 995 · Answer 19 · 2022-01-11T02:46:58.957000

Can vector cause false sharing

995 views Asked by Yves At 11 January 2022 at 02:46

score 74 · Answer 20 · 2021-12-07T12:09:42.510000

Im asking for a solution for execution time to my parallel OpenMP C code

74 views Asked by D0rkDevelop4r At 07 December 2021 at 12:09

TechQA.

List Question

How minimize "false sharing" in this array processing with OpenMP?

How to modify a Linux kernel header file without compiling like livepatch?

Is there false-sharing when writing to unique elements of an output array?

Workaround for writing in different entries of the same vector in multithreading

Parallelise 2 for loops with OpenMP

How many cycles does false sharing cost?

Why using an array to store partial result of worker threads and then summing them up is inefficient?

How can one analyze cacheline contention for multithreaded programs on Linux/AMD? Like "perf c2c" can for Intel

OpenMP Do I have race condition or false-sharing '?

@jdk.internal.vm.annotation.Contended didn't work

Is false sharing the case with heap memory?

Array Padding does not mitigate false sharing? C, OpenMP

Why false share not work without volatile padding

How can I show that not false sharing results in performance benefit using 2 threads and two vectors of ints in C++?

Should the cache padding size of x86-64 be 128 bytes?

C++ with OpenMP try to avoid the false sharing for tight looped array

Multithread false sharing in window

@Contended annotation did not add padding bytes on zulu jdk8?

Can vector cause false sharing

Im asking for a solution for execution time to my parallel OpenMP C code

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