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fixed: do not send and recv from same buffer

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even though it's perfectly fine to do so in this case, mpich
will error out with an error if send and recv buffer is
the same
This commit is contained in:
Arne Morten Kvarving 2024-04-19 18:52:13 +02:00
parent 63cbd2adce
commit 70c9e5345d
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;
}
std::vector<double> values(comm_.rank() == 0 ? comm_.size() * N_ : N_);
std::vector<int> gIdx(comm_.rank() == 0 ? comm_.size() * N_ : N_);
std::vector<double> send_values(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) {
values[i] = std::abs(resid[lIdx[i]][compIdx_[comp]]);
gIdx[i] = globalCell_[lIdx[i]];
send_values[i] = std::abs(resid[lIdx[i]][compIdx_[comp]]);
send_idx[i] = globalCell_[lIdx[i]];
}
comm_.gather(gIdx.data(), gIdx.data(), N_, 0);
comm_.gather(values.data(), values.data(), N_, 0);
comm_.gather(send_idx.data(), gIdx.data(), N_, 0);
comm_.gather(send_values.data(), values.data(), N_, 0);
if (comm_.rank() != 0) {
return;
}