Use absl::time

Replace WallTimeInSeconds with absl::Now and use absl::Time and absl::Duration objects instead of doubles. wall_time.h/cc -> event_logger.h/cc Change-Id: I41279961368840fbdf6bb3456ffdbdf2f9bfb85b
2026-08-29 08:34:37 +08:00 · 2024-08-08 07:18:44 -07:00
parent 03caeed1c6
commit b97ffeadbb
26 changed files with 132 additions and 157 deletions
@@ -0,0 +1,75 @@
+// Ceres Solver - A fast non-linear least squares minimizer
+// Copyright 2024 Google Inc. All rights reserved.
+// http://ceres-solver.org/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+//   this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors may be
+//   used to endorse or promote products derived from this software without
+//   specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: strandmark@google.com (Petter Strandmark)
+
+#include "ceres/event_logger.h"
+
+#include "absl/log/log.h"
+#include "absl/strings/str_format.h"
+#include "absl/time/clock.h"
+#include "absl/time/time.h"
+#include "ceres/internal/config.h"
+
+namespace ceres::internal {
+
+EventLogger::EventLogger(const std::string& logger_name)
+    : start_time_(absl::Now()) {
+  if (!VLOG_IS_ON(3)) {
+    return;
+  }
+
+  last_event_time_ = start_time_;
+  events_ = absl::StrFormat(
+      "\n%s\n                                        Delta   Cumulative\n",
+      logger_name);
+}
+
+EventLogger::~EventLogger() {
+  if (!VLOG_IS_ON(3)) {
+    return;
+  }
+  AddEvent("Total");
+  VLOG(3) << "\n" << events_ << "\n";
+}
+
+void EventLogger::AddEvent(const std::string& event_name) {
+  if (!VLOG_IS_ON(3)) {
+    return;
+  }
+
+  const absl::Time now = absl::Now();
+  absl::StrAppendFormat(&events_,
+                        "  %30s : %10.5f   %10.5f\n",
+                        event_name,
+                        absl::ToDoubleSeconds(now - last_event_time_),
+                        absl::ToDoubleSeconds(now - start_time_));
+  last_event_time_ = now;
+}
+
+}  // namespace ceres::internal