StackOverflow Questions for Tag: openacc

paww
paww

Reputation: 23

OpenAcc program built with C++ compiler is way slower than C built version

Score: 2

Views: 121

Answers: 2

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Mark Bower
Mark Bower

Reputation: 589

Why does "#pragma omp loop for" produce a compile error?

Score: -1

Views: 150

Answers: 3

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grypp
grypp

Reputation: 435

OpenACC: memory management

Score: 1

Views: 1367

Answers: 2

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Mark Bower
Mark Bower

Reputation: 589

Erroneous result using OpenACC "collapse" when too many levels are collapsed

Score: 0

Views: 144

Answers: 1

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Mark Bower
Mark Bower

Reputation: 589

libquadmath.o.dylib found by gcc, but not mpicc

Score: 1

Views: 162

Answers: 0

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Issue with Writing Array Elements to File in OpenACC

Score: 1

Views: 58

Answers: 0

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Aronld Manki
Aronld Manki

Reputation: 1

Unable to access CUDA device with OpenACC on WSL2 Ubuntu: Error code=34

Score: 1

Views: 1039

Answers: 1

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sébastien
sébastien

Reputation: 21

OpenACC result changing with size

Score: 2

Views: 57

Answers: 0

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behzad baghapour
behzad baghapour

Reputation: 127

Using cache with OpenACC

Score: 1

Views: 1123

Answers: 1

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leo
leo

Reputation: 1117

Use of shared memory with OpenACC

Score: 3

Views: 1794

Answers: 1

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Paul Zehner
Paul Zehner

Reputation: 33

Long cuMemToHostAlloc call after exiting a kernel with copyout

Score: 0

Views: 70

Answers: 1

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mrprajesh
mrprajesh

Reputation: 41

How to `std::shuffle` CSR arrays in OpenACC

Score: 0

Views: 60

Answers: 1

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R. N
R. N

Reputation: 759

How to fix openacc warning/error about unknown driver

Score: 0

Views: 294

Answers: 2

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carbonaraHPC
carbonaraHPC

Reputation: 11

Use std::vector with OpenACC

Score: 1

Views: 226

Answers: 0

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sadsquirrel88
sadsquirrel88

Reputation: 1

OpenACC parallelize loops with multiple classes access in C++

Score: 0

Views: 52

Answers: 1

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Lance
Lance

Reputation: 39

Error shows preventing parallelization when I compiled the C++ code with openacc

Score: 0

Views: 131

Answers: 1

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Ilkhom Abdurakhmanov
Ilkhom Abdurakhmanov

Reputation: 13

OpenACC code runs 17036.0939901 times faster on Nvidia V100 GPU than on AMD MI250 GPU

Score: 0

Views: 189

Answers: 1

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FeyPhys
FeyPhys

Reputation: 25

OpenACC: Why updating an array depends on the location of the update directive

Score: 1

Views: 165

Answers: 1

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FeyPhys
FeyPhys

Reputation: 25

A problem in calling several gpu subroutines sequentially: OpenACC - Fortran

Score: 0

Views: 138

Answers: 1

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Steve
Steve

Reputation: 89

Global Variables in OpenACC

Score: 0

Views: 46

Answers: 1

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