I just finished my benchmark testing on mdds::multi_type_vector, and summarized my results in this blog post: http://kohei.us/2019/12/12/benchmark-results-on-mdds-multi_type_vector/ Hopefully my findings and intepretations make sense. In short, the numbers look great. The overhead of block shifting is a concern, but I'm optimistic that this is going to be a non-issue for the most part. Kohei -- Kohei Yoshida, LibreOffice Calc volunteer hacker _______________________________________________ LibreOffice mailing list LibreOffice@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/libreoffice