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tweak the default time limit in solve.cc

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Laurent Perron
2021-10-13 16:39:39 +02:00
parent 2951e22836
commit e41e25b3d8
1 changed files with 7 additions and 4 deletions
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11
examples/cpp/solve.cc
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@@ -82,9 +82,10 @@ ABSL_FLAG(std::string, params_file, "",
"Solver specific parameters file. "
"If this flag is set, the --params flag is ignored.");
ABSL_FLAG(std::string, params, "", "Solver specific parameters");
ABSL_FLAG(absl::Duration, time_limit, absl::ZeroDuration(),
"If strictly positive, specifies a limit on the solving time. "
"Otherwise, no time limit will be imposed.");
ABSL_FLAG(absl::Duration, time_limit, absl::InfiniteDuration(),
"It specifies a limit on the solving time. The duration must be must "
"be positive. It default to an infinite duration meaning that no "
"time limit will be imposed.");
ABSL_FLAG(std::string, output_csv, "",
"If non-empty, write the returned solution in csv format with "
"each line formed by a variable name and its value.");
@@ -219,7 +220,7 @@ bool Run(MPSolver::OptimizationProblemType type) {
}
// Time limits.
if (absl::GetFlag(FLAGS_time_limit) > absl::ZeroDuration()) {
if (absl::GetFlag(FLAGS_time_limit) != absl::InfiniteDuration()) {
LOG(INFO) << "Setting a time limit of " << absl::GetFlag(FLAGS_time_limit);
// Overwrite the request time limit.
request_proto.set_solver_time_limit_seconds(
@@ -329,6 +330,8 @@ int main(int argc, char** argv) {
google::InitGoogleLogging(kUsageStr);
absl::ParseCommandLine(argc, argv);
QCHECK(!absl::GetFlag(FLAGS_input).empty()) << "--input is required";
QCHECK_GE(absl::GetFlag(FLAGS_time_limit), absl::ZeroDuration())
<< "--time_limit must be given a positive duration";
operations_research::MPSolver::OptimizationProblemType type;
CHECK(operations_research::MPSolver::ParseSolverType(