[PATCH v6] libgfortran: Replace mutex with rwlock

From: Lipeng Zhu This patch try to introduce the rwlock and split the read/write to unit_root tree and unit_cache with rwlock instead of the mutex to increase CPU efficiency. In the get_gfc_unit function, the percentage to step into the insert_unit function is around 30%, in most instances, we ca

RE: [PATCH v4] libgfortran: Replace mutex with rwlock

Hi Thomas, > > Hi Lipeng, > > > May I know any comment or concern on this patch, thanks for your time > > 😄 > > Thanks for your patience in getting this reviewed. > > A few remarks / questions. > > Which strategy is used in this implementation, read-preferring or write- > preferring? And if