Replace fmt with std::format and std::cerr, adjust test suite instantiations with _NOLINT, and correct performance metric computation.

Author: allnes

modules/core/perf/include/perf.hpp

@@ -102,7 +102,7 @@ class Perf {
       pipeline();
     }
     auto end = perf_attr.current_timer();
-    perf_results.time_sec = (end - begin) / perf_attr.num_running;
+    perf_results.time_sec = (end - begin) / static_cast<double>(perf_attr.num_running);
   }
 };
 

tasks/common/runners/functional.cpp

@@ -1,9 +1,9 @@
-#include <fmt/core.h>
 #include <gtest/gtest.h>
 #include <mpi.h>
 #include <omp.h>
 
 #include <cstdio>
+#include <cstdlib>
 #include <format>
 #include <iostream>
 #include <memory>
@@ -67,7 +67,7 @@ class WorkerTestFailurePrinter : public ::testing::EmptyTestEventListener {
   static void PrintProcessRank() {
     int rank = -1;
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
-    fmt::print(" [  PROCESS {}  ] ", rank);
+    std::cerr << std::format(" [  PROCESS {}  ] ", rank);
   }
 
   std::shared_ptr<::testing::TestEventListener> base_;

tasks/common/runners/performance.cpp

@@ -1,9 +1,9 @@
-#include <fmt/core.h>
 #include <gtest/gtest.h>
 #include <mpi.h>
 #include <omp.h>
 
 #include <cstdio>
+#include <cstdlib>
 #include <format>
 #include <iostream>
 #include <memory>
@@ -67,7 +67,7 @@ class WorkerTestFailurePrinter : public ::testing::EmptyTestEventListener {
   static void PrintProcessRank() {
     int rank = -1;
     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
-    fmt::print(" [  PROCESS {}  ] ", rank);
+    std::cerr << std::format(" [  PROCESS {}  ] ", rank);
   }
 
   std::shared_ptr<::testing::TestEventListener> base_;

tasks/example_processes/tests/performance/main.cpp

@@ -1,7 +1,5 @@
 #include <gtest/gtest.h>
 
-#include <tuple>
-
 #include "core/util/include/perf_test_util.hpp"
 #include "example_processes/common/include/common.hpp"
 #include "example_processes/mpi/include/ops_mpi.hpp"
@@ -29,6 +27,6 @@ const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks);
 
 const auto kPerfTestName = ExampleRunPerfTestProcesses::CustomPerfTestName;
 
-INSTANTIATE_TEST_SUITE_P(RunModeTests, ExampleRunPerfTestProcesses, kGtestValues, kPerfTestName);
+INSTANTIATE_TEST_SUITE_P_NOLINT(RunModeTests, ExampleRunPerfTestProcesses, kGtestValues, kPerfTestName);
 
 }  // namespace nesterov_a_test_task_processes

tasks/example_threads/tests/performance/main.cpp

@@ -31,6 +31,6 @@ const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks);
 
 const auto kPerfTestName = ExampleRunPerfTestThreads::CustomPerfTestName;
 
-INSTANTIATE_TEST_SUITE_P(RunModeTests, ExampleRunPerfTestThreads, kGtestValues, kPerfTestName);
+INSTANTIATE_TEST_SUITE_P_NOLINT(RunModeTests, ExampleRunPerfTestThreads, kGtestValues, kPerfTestName);
 
 }  // namespace nesterov_a_test_task_threads