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epang22 avatar epang22 commented on July 17, 2024

TopMatchIndices (in hdf5 outputted by EMEBSDDI) does not always go from 1 to max # of dot products saved (sometimes get repeat numbers, sometimes get numbers too large). This is an issue if you try to compute dot products for many euler angles and then extract the dot products for each of them. We have noticed that this issue only occurs for certain numbers of orientations requested, number of patterns to index, nthreads, and numexptsingle/numdictsingle (but some combinations seem to be ok). We have some matlab code that loops through parameters and tests for this error that may be helpful in troubleshooting: https://github.com/epang22/EMsoft-utilities/blob/master/EMsoft_v4_3/TestErrorsTimings.m

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marcdegraef avatar marcdegraef commented on July 17, 2024

Would you be willing to share the output of this program run? I should have some time in the next week to try and track this bug down...

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epang22 avatar epang22 commented on July 17, 2024

Upon further examination, it seems that the issue only occurs when some patterns in the dataset are completely black (we were using blank dummy patterns), and the zero dot products lead to unexpected TopMatchIndices. It's an easy fix on my part to work around it (just don't have black dummy patterns), so no rush. But here are some output .hdf5 files that illustrate the weird behavior: https://www.dropbox.com/s/isn0hlivl5r91sc/DIoutput.zip?dl=0
summary

Thanks for the quick response and taking a look at this!

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saransh13 avatar saransh13 commented on July 17, 2024

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