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Report timings with microsecond resolution

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In case one has a small problem to solve, where
completion is reached within a few milliseconds,
then four decimal places are not enough to accurately
represent the timings of all the separate sub-steps.
Thus, we extend the reported timings to include
six decimal places.

Change-Id: Iaf88a94a1b8896ea7370c75b1de2f05d8671206e
This commit is contained in:
Thomas Gamper
2017-09-26 15:40:02 +02:00
committed by Sameer Agarwal
parent 2a956099d4
commit d727974f30
2 changed files with 15 additions and 15 deletions
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internal/ceres/gradient_problem_solver.cc
+4 -4
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@@ -262,15 +262,15 @@ string GradientProblemSolver::Summary::FullReport() const {
static_cast<int>(iterations.size()));
StringAppendF(&report, "\nTime (in seconds):\n");
StringAppendF(&report, "\n Cost evaluation %23.4f (%d)\n",
StringAppendF(&report, "\n Cost evaluation %23.6f (%d)\n",
cost_evaluation_time_in_seconds,
num_cost_evaluations);
StringAppendF(&report, " Gradient evaluation %23.4f (%d)\n",
StringAppendF(&report, " Gradient evaluation %23.6f (%d)\n",
gradient_evaluation_time_in_seconds,
num_gradient_evaluations);
StringAppendF(&report, " Polynomial minimization %17.4f\n",
StringAppendF(&report, " Polynomial minimization %17.6f\n",
line_search_polynomial_minimization_time_in_seconds);
StringAppendF(&report, "Total %25.4f\n\n",
StringAppendF(&report, "Total %25.6f\n\n",
total_time_in_seconds);
StringAppendF(&report, "Termination: %25s (%s)\n",