Change Objective.error() so it can be vectorized w/o changing vectorized cache #363
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mhmukadam
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Do any of the PGO example scripts need updating? Edit: based on offline discussion we do not need any updates. |
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…zed cache (facebookresearch#363) * Rename Objective._get_iterator() to be more descriptive. * Added an independent vectorized method for Objective.error(). * Added unit tests for new vectorization method. * Added _get_error_iter handling to Objective.vectorized and .disable_vectorization. * Fix bug in Objective.vectorized property.
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This will be useful for improving the accept/reject step of LM, and for more complex line search later.
Closes #231.
Note that as a consequence of this, this PR changes PGO optimization numerical results because now Objective.error() returns the non-scaled weighted error for
RobustCostFunction, while the previous version was returning the scaled one.