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Feature/mpi version #265

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merged 3 commits into from
Oct 10, 2024
Merged

Feature/mpi version #265

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8e6eb30
Adds MPI implementation details to ygm::comm::welcome() output
steiltre Oct 4, 2024
15af5ce
Adds YGM version to ygm::comm:welcome()
steiltre Oct 4, 2024
8ab1cac
Changes MPI_IMPLEMENTATION to MPI_LIBRARY in comm::welcome()
steiltre Oct 10, 2024
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14 changes: 14 additions & 0 deletions include/ygm/detail/comm.ipp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
#include <ygm/detail/lambda_compliance.hpp>
#include <ygm/detail/meta/functional.hpp>
#include <ygm/detail/ygm_cereal_archive.hpp>
#include <ygm/version.hpp>

namespace ygm {

Expand Down Expand Up @@ -79,6 +80,19 @@ inline void comm::welcome(std::ostream &os) {
<< "RANKS_PER_NODE = " << m_layout.local_size() << "\n"
<< "NUM_NODES = " << m_layout.node_size() << "\n";

// Find MPI implementation details
char version[MPI_MAX_LIBRARY_VERSION_STRING];
int version_len;
MPI_Get_library_version(version, &version_len);

// Trim MPI details to implementation and version
std::string version_string(version, version_len);
std::string delimiters{',', '\n'};
auto end = version_string.find_first_of(delimiters);

sstr << "MPI_LIBRARY = " << version_string.substr(0, end) << "\n";
sstr << "YGM_VERSION = " << ygm_version << "\n";

config.print(sstr);

if (rank() == 0) {
Expand Down
10 changes: 10 additions & 0 deletions include/ygm/version.hpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
// Copyright 2019-2021 Lawrence Livermore National Security, LLC and other YGM
// Project Developers. See the top-level COPYRIGHT file for details.
//
// SPDX-License-Identifier: MIT

#include <string>

namespace ygm {
static const std::string ygm_version("v0.7-dev");
}