Re: [GENERAL] GCC 4.0 on Mac OS X
On May 20, 2005, at 3:00 PM, Tom Lane wrote: Matthew Hixson <[EMAIL PROTECTED]> writes: Just wondering if the Postgres hackers have done any performance measurements on Postgres compiled with GCC 3.x against Postgres compiled with GCC 4.0. I'm wondering whether or not the auto- vectorization stuff in 4.0 provides any performance improvements to Postgres 8.0.x. Offhand I'd not expect auto-vectorization to be much help for Postgres, but you never know till you try ... While cruising the vast and global interweb I found myself here http://gnu.ghks.de/software/gcc/projects/tree-ssa/vectorization.html and while that's a bit over my head I gathered that GCC 4.0 would provide "more better" performance. -M@ ---(end of broadcast)--- TIP 8: explain analyze is your friend
Re: [GENERAL] GCC 4.0 on Mac OS X
Matthew Hixson <[EMAIL PROTECTED]> writes: > Just wondering if the Postgres hackers have done any performance > measurements on Postgres compiled with GCC 3.x against Postgres > compiled with GCC 4.0. I'm wondering whether or not the auto- > vectorization stuff in 4.0 provides any performance improvements to > Postgres 8.0.x. Offhand I'd not expect auto-vectorization to be much help for Postgres, but you never know till you try ... regards, tom lane ---(end of broadcast)--- TIP 7: don't forget to increase your free space map settings
[GENERAL] GCC 4.0 on Mac OS X
Just wondering if the Postgres hackers have done any performance measurements on Postgres compiled with GCC 3.x against Postgres compiled with GCC 4.0. I'm wondering whether or not the auto- vectorization stuff in 4.0 provides any performance improvements to Postgres 8.0.x. -M@ ---(end of broadcast)--- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
