Mark Anns wrote: > How the planning factors of PGStrom differs from planning factos of > PostgreSQL? I don't know what exactly you mean by a "planning factor". What PGStrom does is estimate the cost of the GPU operations and attach these costs to a custom scan node which is part of a query plan. Many different plans are generated; some will involve PGStrom, some will not. The optimizer then chooses among these plans the one with the lowest total cost. Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general