Sameer Agarwal 5742b7d0f1 Improve performance of SPARSE_NORMAL_CHOLESKY + dynamic_sparsity
The outer product computation logic in SparseNormalCholeskySolver
does not work well with dynamic sparsity. The overhead of computing
the sparsity pattern of the normal equations is only amortized if
the sparsity is constant. If the sparsity can change from call to call
SparseNormalCholeskySolver will actually be more expensive.

For Eigen and for CXSparse we now explicitly compute the normal
equations using their respective matrix-matrix product routines and solve.
Change-Id: Ifbd8ed78987cdf71640e66ed69500442526a23d4
2015-09-05 14:31:52 -07:00
2013-06-24 14:28:40 -07:00
2015-04-07 14:13:25 -07:00
2013-02-24 19:04:21 +00:00
2015-03-17 22:40:01 -07:00

Ceres Solver - A non-linear least squares minimizer

Please see ceres-solver.org for more information.

WARNING - Do not make GitHub pull requests!

Ceres development happens on Gerrit, including both repository hosting and code reviews. The GitHub Repository is a continuously updated mirror which is primarily meant for issue tracking. Please see our Contributing to Ceres Guide for more details.

The upstream Gerrit repository is

https://ceres-solver.googlesource.com/ceres-solver
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