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2245: phase: omit print of post-lb stats when no migration #2246

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merged 1 commit into from
Jan 26, 2024
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2245: phase: omit print of post-lb stats when no migration #2246

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20 changes: 11 additions & 9 deletions src/vt/phase/phase_manager.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,7 @@ void PhaseManager::printSummary(vrt::collection::lb::PhaseInfo* last_phase_info)
auto const total_time = timing::getCurrentTime() - start_time_;
vt_print(
phase,
"phase={}, duration={}, rank_max_compute_time={}, rank_avg_compute_time={}, imbalance={:.3f}, "
"phase={}, duration={}, rank_max_compute_time={}, rank_avg_compute_time={}, imbalance={:.4f}, "
"grain_max_time={}, migration count={}, lb_name={}\n",
last_phase_info->phase,
total_time,
Expand All @@ -311,14 +311,16 @@ void PhaseManager::printSummary(vrt::collection::lb::PhaseInfo* last_phase_info)
lb_name
);

vt_debug_print(
terse, phase,
"POST phase={}, rank_max_compute_time={}, rank_avg_compute_time={}, imbalance={:.3f}\n",
last_phase_info->phase,
TimeType(last_phase_info->max_load_post_lb),
TimeType(last_phase_info->avg_load_post_lb),
last_phase_info->imb_load_post_lb
);
if (last_phase_info->migration_count > 0) {
vt_debug_print(
terse, phase,
"POST phase={}, rank_max_compute_time={}, rank_avg_compute_time={}, imbalance={:.4f}\n",
last_phase_info->phase,
TimeType(last_phase_info->max_load_post_lb),
TimeType(last_phase_info->avg_load_post_lb),
last_phase_info->imb_load_post_lb
);
}

auto compute_speedup = [](double t1, double t2) -> double {
return t1 / t2;
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