Hi Stephen, On Thursday 20 May 2010 22:39:26 Stephen Frost wrote: > * Andres Freund (and...@anarazel.de) wrote: > > Statement: > > INSERT INTO blub SELECT a.i, b.i, a.i *b.i FROM generate_series(1, 10000) > > a(i), generate_series(1, 1000) b(i); > > > > legacy crc: > Is this legacy crc using the function-based calls, or the macro? Do you > have statistics for the zlib approach vs unmodified PG? 'legacy' is out of line as well. I couldn't find a real performance difference above noise between out of line (function) and inline (macro). If anything out of line was a bit faster (instruction cache usage could cause that).
So vanilla<->zlib should be the same as legacy<->zlib Greetings, Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
