On 5/20/16, Quan Yong Zhai <qydi at msn.com> wrote: > Dear SQLIte developers, > > Here is a small patch for the linked-list merge sorter in SQLite > to sort N items, > It will save about 2*N CPU instructions by eliminate unnecessary null > pointer check,
Thank you for the optimization suggestion. The merge-sort logic is updated here: https://www.sqlite.org/src/info/9033afbb31b28a8a The performance and size improvement is very slight, but every little bit helps. -- D. Richard Hipp drh at sqlite.org