On Thu, Sep 25, 2014 at 9:34 AM, Andres Freund <and...@2ndquadrant.com> wrote: > Binaries compiled on solaris using sun studio cc currently don't have > compiler and memory barriers implemented. That means we fall back to > relatively slow generic implementations for those. Especially compiler, > read, write barriers will be much slower than necessary (since they all > just need to prevent compiler reordering as both sparc and x86 are run > in TSO mode under solaris). > > Since my estimate is that we'll use more and more barriers, that's going > to hurt more and more. > > I do *not* plan to do anything about it atm, I just thought it might be > helpful to have this stated somewhere searchable.
To put that another way: If there are any Sun Studio users out there who care about performance on big iron, please send a patch to fix this... -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
