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Report the number of line search steps in FullReport.

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Accumulate the number of steps of the line search algorithm
and report it as part of Summary::FullReport.

Change-Id: I1de12784009a3e08f2a2c2aff5085d57a3c73828
This commit is contained in:
Sameer Agarwal
2015-12-01 07:25:06 -08:00
parent b5f5100f57
commit 992ae55e84
6 changed files with 43 additions and 7 deletions
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include/ceres/solver.h
+7
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@@ -811,6 +811,13 @@ class CERES_EXPORT Solver {
// Number of times inner iterations were performed.
int num_inner_iteration_steps;
// Total number of iterations inside the line search algorithm
// across all invocations. We call these iterations "steps" to
// distinguish them from the outer iterations of the line search
// and trust region minimizer algorithms which call the line
// search algorithm as a subroutine.
int num_line_search_steps;
// All times reported below are wall times.
// When the user calls Solve, before the actual optimization