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Merge pull request #5297 from akva2/fix_rstconv_mpich

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fixed: do not send and recv from same buffer
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Bård Skaflestad 2024-04-19 23:30:37 +02:00 committed by GitHub
commit 450bfd04fb
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1 changed files with 8 additions and 6 deletions
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14
opm/simulators/flow/RSTConv.cpp
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@ -86,15 +86,17 @@ void RSTConv::gatherAndAccumulate(const std::vector<int>& lIdx,
return; return;
} }
std::vector<double> values(comm_.rank() == 0 ? comm_.size() * N_ : N_); std::vector<double> send_values(N_);
std::vector<int> gIdx(comm_.rank() == 0 ? comm_.size() * N_ : N_); std::vector<double> values(comm_.rank() == 0 ? comm_.size() * N_ : 0);
std::vector<int> send_idx(N_);
std::vector<int> gIdx(comm_.rank() == 0 ? comm_.size() * N_ : 0);
for (int i = 0; i < N_; ++i) { for (int i = 0; i < N_; ++i) {
values[i] = std::abs(resid[lIdx[i]][compIdx_[comp]]); send_values[i] = std::abs(resid[lIdx[i]][compIdx_[comp]]);
gIdx[i] = globalCell_[lIdx[i]]; send_idx[i] = globalCell_[lIdx[i]];
} }
comm_.gather(gIdx.data(), gIdx.data(), N_, 0); comm_.gather(send_idx.data(), gIdx.data(), N_, 0);
comm_.gather(values.data(), values.data(), N_, 0); comm_.gather(send_values.data(), values.data(), N_, 0);
if (comm_.rank() != 0) { if (comm_.rank() != 0) {
return; return;
} }