Performance issue with large tables #223
Description
table is very slow for large tables.
On a recent Apple machine, it takes over 12 seconds to generate a 3256 row table.
Steps to reproduce
Use this repo: https://github.com/m-allanson/table-profile
Further notes
If you load a CPU Profile into SpeedScope, you can see that findOriginalRowIndex accounts for 94% of the running time:
