Consideration for cache-efficient skip list

I'm wondering if there is consideration to see if the skiplist implementation in RocksDB is cache-efficient, and whether to introduce a cache-efficient version of skiplist?

Some of the research is done to address the issue and introduces some version of cache-efficient skip list:
https://adms-conf.org/2016/sprenger_adms16.pdf
https://par.nsf.gov/servlets/purl/10027800