mirror of
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synced 2026-10-31 09:44:07 -05:00
Handle multi-slave abort on slave init failure
The initial fix disconnected all slave communicators as soon as one slave reported a failed initialization. That is correct for a single slave, but can deadlock with multiple slaves: a slave that reported OK proceeds with the rest of the handshake and is not sitting at MPI_Comm_disconnect, so disconnecting its (collective) communicator out from under it never completes. Introduce an explicit proceed/abort step. The master now receives the status from every slave first, then replies to each slave that reported OK with proceed (0) or abort (1). A healthy slave blocks on this reply right after sending its status, so on abort it reaches MPI_Comm_disconnect and the master's disconnect is collectively matched. Slaves that reported FAILED have already disconnected and are not sent a reply. Adds the MasterInitStatus message tag, the slave-side receiveInitStatusFromMasterProcess_(), and rewrites the master's receiveSlaveStatus_() into receive-all then reply-then-disconnect loops. Also: - Log the actual OK/FAILED status received from each slave. - Clarify why notifyMasterSlaveInitFailed_() skips (rather than aborts) when a --slave process has no parent communicator, and warn in that standalone case. - Add a two-slave integration test (rc_slave_parsing_err_2slaves) that exercises the mixed failed+healthy abort path: it must exit cleanly with code 1 and must not hang on the collective disconnect.
This commit is contained in:
Håkon Hægland committed
1 parent
49494111d5
commit
7e5cca6445
10 files changed
+557
-17
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@@ -285,6 +285,13 @@ void Main::notifyMasterSlaveInitFailed_()
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if (Parameters::Get<Parameters::Slave>()) {
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MPI_Comm parent_comm = MPI_COMM_NULL;
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MPI_Comm_get_parent(&parent_comm);
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// MPI_Comm_get_parent() returns MPI_COMM_NULL when this process was not
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// spawned by a master. --slave is a private flag the master sets when
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// spawning, so this normally cannot happen. If it does (e.g. a deck run
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// standalone with --slave), there is simply no master to notify. We do
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// NOT MPI_Abort() here: this is the cooperative-shutdown path (the parse
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// error is already reported and we return EXIT_FAILURE), and with no
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// spawned master there is no peer that could hang.
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if (parent_comm != MPI_COMM_NULL) {
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int rank;
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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@@ -298,6 +305,11 @@ void Main::notifyMasterSlaveInitFailed_()
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}
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MPI_Comm_disconnect(&parent_comm);
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}
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else if (outputCout_) {
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std::cerr << "Warning: --slave was set but this process has no parent "
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"communicator; running standalone, no master to notify."
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<< std::endl;
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}
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}
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#endif
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}
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@@ -141,6 +141,7 @@ enum class MessageTag : int {
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MasterGroupNames,
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MasterGroupNamesSize,
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MasterGroupNodePressures,
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MasterInitStatus,
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MasterStartOfReportStep,
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NumMasterGroupNodePressures,
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NumSlaveGroupConstraints,
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@@ -370,6 +370,11 @@ sendAndReceiveInitialData() {
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// Communication order must match master's spawn() method.
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// First, send status OK to let master know we initialized successfully.
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this->sendStatusToMasterProcess_(/*ok=*/true);
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// Then wait for the master's go-ahead. If another slave failed to
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// initialize, the master replies "abort" here so that we disconnect our
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// communicator collectively (the master cannot disconnect it on its own
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// while we are still mid-handshake). On "proceed" we continue normally.
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this->receiveInitStatusFromMasterProcess_();
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// We receive master group names before sending activation date so that
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// we can detect history matching mode (no master groups) and use start_date as activation.
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this->sendSimulationStartDateToMasterProcess_();
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@@ -713,6 +718,37 @@ sendStatusToMasterProcess_(bool ok) {
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}
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}
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template <class Scalar>
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void
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ReservoirCouplingSlave<Scalar>::
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receiveInitStatusFromMasterProcess_() {
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// Receive the master's go-ahead after we reported our OK status: 0 = proceed,
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// non-zero = abort (another slave failed). On rank 0 we receive from the
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// master and broadcast to all slave ranks so that the collective
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// MPI_Comm_disconnect below is matched on every rank.
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int proceed = 1; // default to abort if nothing is received
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if (this->comm_.rank() == 0) {
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MPI_Recv(
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&proceed,
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/*count=*/1,
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/*datatype=*/MPI_INT,
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/*source_rank=*/0,
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/*tag=*/static_cast<int>(MessageTag::MasterInitStatus),
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this->slave_master_comm_,
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MPI_STATUS_IGNORE
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);
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}
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this->comm_.broadcast(&proceed, /*count=*/1, /*emitter_rank=*/0);
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if (proceed != 0) {
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this->logger_.info(
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"Master signaled initialization abort (another slave failed to initialize)");
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MPI_Comm_disconnect(&this->slave_master_comm_);
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this->slave_master_comm_ = MPI_COMM_NULL;
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RCOUP_LOG_THROW(std::runtime_error,
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"Reservoir coupling initialization aborted by master");
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}
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}
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// Explicit template instantiations
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template class ReservoirCouplingSlave<double>;
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#if FLOW_INSTANTIATE_FLOAT
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@@ -192,6 +192,13 @@ private:
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std::pair<double, bool> getGrupSlavActivationDateAndCheckHistoryMatchingMode_() const;
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bool historyMatchingMode_() const { return this->history_matching_mode_; }
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std::size_t numMasterGroups_() const { return this->slave_to_master_group_map_.size(); }
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//! \brief Receive the master's go-ahead after reporting our OK status.
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//!
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//! Blocks until the master replies "proceed" (continue the handshake) or
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//! "abort" (another slave failed to initialize). On abort, all slave ranks
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//! disconnect the master communicator collectively and throw, so the master
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//! can tear down cleanly instead of deadlocking on the disconnect.
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void receiveInitStatusFromMasterProcess_();
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void receiveMasterGroupNamesFromMasterProcess_();
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void receiveSlaveNameFromMasterProcess_();
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void saveMasterGroupNamesAsMapAndEstablishOrder_(const std::vector<char>& group_names);
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@@ -272,10 +272,17 @@ receiveSlaveStatus_()
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{
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auto num_slaves = this->master_.numSlavesStarted();
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if (this->comm_.rank() == 0) {
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// Step 1: receive the init status from every slave that finished spawning.
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// We must receive from all slaves before disconnecting any communicator:
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// a slave that reported OK proceeds with the rest of the handshake and is
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// not sitting at MPI_Comm_disconnect, so disconnecting its (collective)
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// communicator out from under it would deadlock. See step 2.
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std::vector<int> statuses(num_slaves, 0);
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bool any_failed = false;
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unsigned int first_failed = 0;
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for (unsigned int i = 0; i < num_slaves; i++) {
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int status = 0;
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MPI_Recv(
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&status,
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&statuses[i],
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/*count=*/1,
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/*datatype=*/MPI_INT,
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/*source_rank=*/0,
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@@ -283,27 +290,60 @@ receiveSlaveStatus_()
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this->master_.getSlaveComm(i),
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MPI_STATUS_IGNORE
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);
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if (status != 0) {
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if (statuses[i] != 0) {
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this->logger_.error(fmt::format(
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"Slave '{}' failed to initialize (parse error or other failure). "
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"The master cannot continue without all slaves.",
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"Received FAILED status from slave '{}': it failed to initialize "
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"(parse error or other failure). The master cannot continue "
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"without all slaves.",
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this->master_.getSlaveName(i)
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));
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// Disconnect from all slave communicators to avoid hanging
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for (unsigned int j = 0; j < num_slaves; j++) {
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auto comm = this->master_.getSlaveComm(j);
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if (comm != MPI_COMM_NULL) {
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MPI_Comm_disconnect(&comm);
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}
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if (!any_failed) {
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any_failed = true;
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first_failed = i;
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}
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RCOUP_LOG_THROW(std::runtime_error,
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"Reservoir coupling slave '" + this->master_.getSlaveName(i) +
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"' failed to initialize"
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}
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else {
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this->logger_.debug(fmt::format(
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"Received OK status from slave '{}'", this->master_.getSlaveName(i)
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));
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}
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}
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// Step 2: tell every slave that reported OK whether to proceed (0) or
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// abort (1). A slave that reported FAILED has already disconnected its
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// parent communicator (see Main::notifyMasterSlaveInitFailed_()) and is
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// not waiting for a reply, so we do not send it one. An OK slave blocks
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// on this reply right after sending its status, so on abort it will reach
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// MPI_Comm_disconnect and the disconnect below is collectively matched.
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int reply = any_failed ? 1 : 0;
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for (unsigned int i = 0; i < num_slaves; i++) {
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if (statuses[i] == 0) {
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MPI_Send(
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&reply,
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/*count=*/1,
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/*datatype=*/MPI_INT,
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/*dest_rank=*/0,
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/*tag=*/static_cast<int>(MessageTag::MasterInitStatus),
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this->master_.getSlaveComm(i)
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);
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}
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this->logger_.debug(fmt::format(
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"Received OK status from slave '{}'", this->master_.getSlaveName(i)
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));
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}
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if (any_failed) {
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// Disconnect from all slave communicators. Failed slaves are already in MPI_Comm_disconnect;
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// OK slaves received the abort reply and disconnect in response.
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for (unsigned int i = 0; i < num_slaves; i++) {
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// MPI_Comm is a copyable handle, so disconnecting a copy releases the underlying communicator.
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auto comm = this->master_.getSlaveComm(i);
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if (comm != MPI_COMM_NULL) {
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MPI_Comm_disconnect(&comm);
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this->logger_.debug(fmt::format(
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"Disconnected from slave '{}'", this->master_.getSlaveName(i)
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));
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}
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}
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RCOUP_LOG_THROW(std::runtime_error,
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"Reservoir coupling slave '" + this->master_.getSlaveName(first_failed) +
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"' failed to initialize"
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);
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}
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}
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}
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@@ -76,3 +76,27 @@ add_test(NAME rc_slave_parsing_err
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CONFIGURATIONS Integration
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)
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set_tests_properties(rc_slave_parsing_err PROPERTIES TIMEOUT 30)
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# Multi-slave parse error test: one slave fails to parse while another is
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# healthy. Verifies the master aborts the healthy slave cleanly (exit 1) instead
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# of deadlocking on a collective MPI_Comm_disconnect.
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add_custom_target(test_rc_slave_parsing_err_2slaves
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COMMAND ${CMAKE_COMMAND} -E copy_directory
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${CMAKE_CURRENT_SOURCE_DIR}/tests/rescoup/slave_parse_error_2slaves
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${CMAKE_CURRENT_BINARY_DIR}/tests/rescoup/slave_parse_error_2slaves
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COMMAND ${CMAKE_COMMAND} -E copy_directory
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${CMAKE_CURRENT_SOURCE_DIR}/tests/include
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${CMAKE_CURRENT_BINARY_DIR}/tests/include
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COMMENT "Copying slave_parse_error_2slaves test data to build tree"
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DEPENDS ${_rescoup_simulator}
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)
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add_test(NAME rc_slave_parsing_err_2slaves
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COMMAND
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${CMAKE_CURRENT_SOURCE_DIR}/tests/rescoup/slave_parse_error_2slaves/run_ctest.sh
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$<TARGET_FILE:${_rescoup_simulator}>
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${_rescoup_mpiexec}
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WORKING_DIRECTORY
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${CMAKE_CURRENT_BINARY_DIR}/tests/rescoup/slave_parse_error_2slaves
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CONFIGURATIONS Integration
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)
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set_tests_properties(rc_slave_parsing_err_2slaves PROPERTIES TIMEOUT 40)
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@@ -0,0 +1,163 @@
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-- This reservoir simulation deck is made available under the Open Database
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-- License: http://opendatacommons.org/licenses/odbl/1.0/. Any rights in
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-- individual contents of the database are licensed under the Database Contents
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-- License: http://opendatacommons.org/licenses/dbcl/1.0/
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-- Copyright (C) 2026 Equinor
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-- Reservoir coupling master deck for testing slave parse error behavior with
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-- MULTIPLE slaves. The master has a single 1x1x1 grid cell, no wells, and
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-- spawns two slaves:
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-- RES-1 (slave1): DATA file contains a deliberate parse error -> fails
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-- RES-2 (slave2): a valid deck -> initializes and reports OK
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--
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-- This exercises the mixed failed+healthy abort path: the master must detect
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-- RES-1's failure and cleanly abort the healthy RES-2 (which is mid-handshake)
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-- without deadlocking on a collective MPI_Comm_disconnect. The master should
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-- exit cleanly with code 1 on all MPI implementations.
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--
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-- Usage: mpirun -np 1 flow RC_MASTER.DATA --parsing-strictness=low
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-- (--parsing-strictness=low is needed because RC keywords are not yet
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-- activated in opm-common, pending PR #5643)
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------------------------------------------------------------------------------------------------
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RUNSPEC
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------------------------------------------------------------------------------------------------
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DIMENS
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1 1 1 /
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OIL
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WATER
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GAS
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DISGAS
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VAPOIL
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METRIC
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START
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1 'OCT' 2018 /
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EQLDIMS
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1 1* 25 /
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WELLDIMS
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--max.well max.con/well max.grup max.w/grup
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5 10 10 10 /
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TABDIMS
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--ntsfun ntpvt max.nssfun max.nppvt max.ntfip max.nrpvt
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1 1 50 60 72 60 /
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UNIFIN
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UNIFOUT
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------------------------------------------------------------------------------------------------
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GRID
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------------------------------------------------------------------------------------------------
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NEWTRAN
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GRIDFILE
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0 1 /
|
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GRIDUNIT
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METRES /
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INIT
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SPECGRID
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1 1 1 1 F /
|
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|
||||
COORD
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2000.0000 2000.0000 2000.0000 2000.0000 2000.0000 2002.5000
|
||||
2100.0000 2000.0000 2000.0000 2100.0000 2000.0000 2002.5000
|
||||
2000.0000 2100.0000 2000.0000 2000.0000 2100.0000 2002.5000
|
||||
2100.0000 2100.0000 2000.0000 2100.0000 2100.0000 2002.5000
|
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/
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||||
|
||||
ZCORN
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2000.0000 2000.0000 2000.0000 2000.0000 2002.5000 2002.5000
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2002.5000 2002.5000 /
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|
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PORO
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0.25 /
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|
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PERMX
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2100 /
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COPY
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PERMX PERMY /
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PERMX PERMZ /
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/
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MULTIPLY
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'PERMZ' 0.1 /
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/
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------------------------------------------------------------------------------------------------
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PROPS
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------------------------------------------------------------------------------------------------
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NOECHO
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INCLUDE
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'../../include/PVT-WET-GAS.INC' /
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INCLUDE
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'../../include/scal_mod2.inc' /
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FILLEPS
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------------------------------------------------------------------------------------------------
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REGIONS
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------------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------------
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SOLUTION
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------------------------------------------------------------------------------------------------
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RPTRST
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BASIC=2 /
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EQUIL
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-- Datum P woc Pc goc Pc Rsvd Rvvd N
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2300.00 300.0 2300.0 0.0 1800.00 0.0 1 1 0 /
|
||||
|
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PBVD
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||||
2000.0 100.0
|
||||
2300.0 100.0 /
|
||||
|
||||
PDVD
|
||||
2000.0 100.0
|
||||
2300.0 100.0 /
|
||||
/
|
||||
|
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------------------------------------------------------------------------------------------------
|
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SUMMARY
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------------------------------------------------------------------------------------------------
|
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|
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------------------------------------------------------------------------------------------------
|
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SCHEDULE
|
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------------------------------------------------------------------------------------------------
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|
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TUNING
|
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1.0 5.0 /
|
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/
|
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/
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|
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GRUPTREE
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'MOD2' 'FIELD' /
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'E1_M' 'MOD2' /
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/
|
||||
|
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SLAVES
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'RES-1' 'RC_SLAVE' '*' 'slave1' 1 /
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'RES-2' 'RC_SLAVE' '*' 'slave2' 1 /
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/
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|
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DATES
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1 NOV 2018 /
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/
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|
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END
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+69
@@ -0,0 +1,69 @@
|
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#!/bin/bash
|
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# Copyright 2026 Equinor
|
||||
#
|
||||
# This file is part of the Open Porous Media project (OPM).
|
||||
#
|
||||
# OPM is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# OPM is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# CTest wrapper for the multi-slave reservoir coupling parse error test.
|
||||
#
|
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# The master spawns two slaves: RES-1 (slave1) has a deliberate parse error and
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# fails; RES-2 (slave2) is valid and reports OK, then waits for the master's
|
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# go-ahead. The master must detect RES-1's failure and cleanly abort the healthy
|
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# RES-2 (which is mid-handshake) without deadlocking on a collective
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# MPI_Comm_disconnect, then exit with code 1.
|
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#
|
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# Expected outcome (with the master-hang fix): exit code 1 on all MPI
|
||||
# implementations.
|
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# - exit 1: master detected the slave failure and aborted cleanly -> PASS
|
||||
# - exit 0: master completed despite a slave parse error -> FAIL
|
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# - exit 124: master hung (e.g. the old multi-slave disconnect bug) -> FAIL
|
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# - other: unexpected -> FAIL
|
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#
|
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# Usage: run_ctest.sh <flow_binary> <mpi_launcher>
|
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|
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set -u
|
||||
|
||||
FLOW_BINARY="${1:?Usage: $0 <flow_binary> <mpi_launcher>}"
|
||||
MPI_LAUNCHER="${2:?Usage: $0 <flow_binary> <mpi_launcher>}"
|
||||
|
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echo "Flow binary: $FLOW_BINARY"
|
||||
echo "MPI launcher: $MPI_LAUNCHER"
|
||||
echo "Working dir: $(pwd)"
|
||||
echo ""
|
||||
|
||||
# Run with a timeout as a safety net. With the fix the master exits quickly with
|
||||
# code 1; a timeout (124) would indicate the master hung (regression).
|
||||
timeout 20 \
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||||
"$MPI_LAUNCHER" -np 1 "$FLOW_BINARY" \
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||||
RC_MASTER.DATA \
|
||||
--parsing-strictness=low \
|
||||
--output-dir=. \
|
||||
2>&1
|
||||
|
||||
EXIT_CODE=$?
|
||||
|
||||
if [ $EXIT_CODE -eq 1 ]; then
|
||||
echo "PASS: Master detected slave failure and aborted cleanly (exit code 1)"
|
||||
exit 0
|
||||
elif [ $EXIT_CODE -eq 0 ]; then
|
||||
echo "FAIL: Master completed successfully — slave parse error was ignored"
|
||||
exit 1
|
||||
elif [ $EXIT_CODE -eq 124 ]; then
|
||||
echo "FAIL: Master hung until timeout (possible multi-slave disconnect deadlock)"
|
||||
exit 1
|
||||
else
|
||||
echo "FAIL: Master exited with unexpected code $EXIT_CODE"
|
||||
exit 1
|
||||
fi
|
||||
@@ -0,0 +1,44 @@
|
||||
-- This reservoir simulation deck is made available under the Open Database
|
||||
-- License: http://opendatacommons.org/licenses/odbl/1.0/. Any rights in
|
||||
-- individual contents of the database are licensed under the Database Contents
|
||||
-- License: http://opendatacommons.org/licenses/dbcl/1.0/
|
||||
|
||||
-- Copyright (C) 2026 Equinor
|
||||
|
||||
-- Deliberately broken slave deck (RES-1) for the multi-slave reservoir coupling
|
||||
-- parse error test. The INCLUDE in the GRID section references a non-existent
|
||||
-- file, which triggers a parse error regardless of --parsing-strictness setting.
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
RUNSPEC
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
DIMENS
|
||||
2 2 2 /
|
||||
|
||||
OIL
|
||||
WATER
|
||||
|
||||
METRIC
|
||||
|
||||
START
|
||||
1 'JAN' 2019 /
|
||||
|
||||
EQLDIMS
|
||||
1 /
|
||||
|
||||
TABDIMS
|
||||
1 1 /
|
||||
|
||||
UNIFIN
|
||||
UNIFOUT
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
GRID
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
-- Intentional error: this file does not exist
|
||||
INCLUDE
|
||||
'nonexistent_grid_file.inc' /
|
||||
|
||||
END
|
||||
@@ -0,0 +1,144 @@
|
||||
-- This reservoir simulation deck is made available under the Open Database
|
||||
-- License: http://opendatacommons.org/licenses/odbl/1.0/. Any rights in
|
||||
-- individual contents of the database are licensed under the Database Contents
|
||||
-- License: http://opendatacommons.org/licenses/dbcl/1.0/
|
||||
|
||||
-- Copyright (C) 2026 Equinor
|
||||
|
||||
-- Valid slave deck (RES-2) for the multi-slave reservoir coupling parse error
|
||||
-- test. This slave initializes successfully and reports OK status, then waits
|
||||
-- for the master's go-ahead. When the other slave (RES-1) fails to parse, the
|
||||
-- master signals abort here and this slave disconnects cleanly. A minimal
|
||||
-- 1x1x1 single-cell deck (history matching mode, no master groups).
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
RUNSPEC
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
DIMENS
|
||||
1 1 1 /
|
||||
|
||||
OIL
|
||||
WATER
|
||||
GAS
|
||||
DISGAS
|
||||
VAPOIL
|
||||
|
||||
METRIC
|
||||
|
||||
START
|
||||
1 'OCT' 2018 /
|
||||
|
||||
EQLDIMS
|
||||
1 1* 25 /
|
||||
|
||||
WELLDIMS
|
||||
--max.well max.con/well max.grup max.w/grup
|
||||
5 10 10 10 /
|
||||
|
||||
TABDIMS
|
||||
--ntsfun ntpvt max.nssfun max.nppvt max.ntfip max.nrpvt
|
||||
1 1 50 60 72 60 /
|
||||
|
||||
UNIFIN
|
||||
UNIFOUT
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
GRID
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
NEWTRAN
|
||||
|
||||
GRIDFILE
|
||||
0 1 /
|
||||
|
||||
GRIDUNIT
|
||||
METRES /
|
||||
|
||||
INIT
|
||||
|
||||
SPECGRID
|
||||
1 1 1 1 F /
|
||||
|
||||
COORD
|
||||
2000.0000 2000.0000 2000.0000 2000.0000 2000.0000 2002.5000
|
||||
2100.0000 2000.0000 2000.0000 2100.0000 2000.0000 2002.5000
|
||||
2000.0000 2100.0000 2000.0000 2000.0000 2100.0000 2002.5000
|
||||
2100.0000 2100.0000 2000.0000 2100.0000 2100.0000 2002.5000
|
||||
/
|
||||
|
||||
ZCORN
|
||||
2000.0000 2000.0000 2000.0000 2000.0000 2002.5000 2002.5000
|
||||
2002.5000 2002.5000 /
|
||||
|
||||
PORO
|
||||
0.25 /
|
||||
|
||||
PERMX
|
||||
2100 /
|
||||
|
||||
COPY
|
||||
PERMX PERMY /
|
||||
PERMX PERMZ /
|
||||
/
|
||||
|
||||
MULTIPLY
|
||||
'PERMZ' 0.1 /
|
||||
/
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
PROPS
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
NOECHO
|
||||
|
||||
INCLUDE
|
||||
'../../../include/PVT-WET-GAS.INC' /
|
||||
|
||||
INCLUDE
|
||||
'../../../include/scal_mod2.inc' /
|
||||
|
||||
FILLEPS
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
REGIONS
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
SOLUTION
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
RPTRST
|
||||
BASIC=2 /
|
||||
|
||||
EQUIL
|
||||
-- Datum P woc Pc goc Pc Rsvd Rvvd N
|
||||
2300.00 300.0 2300.0 0.0 1800.00 0.0 1 1 0 /
|
||||
|
||||
PBVD
|
||||
2000.0 100.0
|
||||
2300.0 100.0 /
|
||||
|
||||
PDVD
|
||||
2000.0 100.0
|
||||
2300.0 100.0 /
|
||||
/
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
SUMMARY
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
------------------------------------------------------------------------------------------------
|
||||
SCHEDULE
|
||||
------------------------------------------------------------------------------------------------
|
||||
|
||||
TUNING
|
||||
1.0 5.0 /
|
||||
/
|
||||
/
|
||||
|
||||
DATES
|
||||
1 NOV 2018 /
|
||||
/
|
||||
|
||||
END
|
||||
Reference in new issue
Block a user