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Throw error if no config was found for one rank #46

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Throw error if no config was found for one rank #46

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11 changes: 8 additions & 3 deletions src/application_mapper.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -183,11 +183,16 @@ void
// NOTE: default configuration is preserved
config->resetDict();
}

if (n_selections != 1)
{
std::ostringstream msg;
msg << "no configuration found for one rank. This is most likely caused by launching MUSIC with too many processes. " << std::endl;
error0 (msg.str ());
}

delete config;
assert(config_->getDict().size() != 0);

// NOTE: given rank -1 causes an assertion failure
assert(n_selections == 1);
}


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