Re: [PERFORM] Postgresql on itanium server

2011-06-09 Thread Jochen Erwied
Thursday, June 9, 2011, 12:03:12 PM you wrote: Is there any option to turn on flush to zero mode in itanium cpu while compiling postgresql from source? configure will complain when specifying './configure CFLAGS=-ffast-math'. make won't, so a 'make CFLAGS='-O2 -Wall -ffast-math' after doing a

Re: [PERFORM] Postgresql on itanium server

2011-06-09 Thread Marti Raudsepp
On Thu, Jun 9, 2011 at 13:03, muthu krishnan muthu.krishnan.li...@gmail.com wrote: Thank you for suggesting the valuable URL, we are getting 3 floating point assist fault error for every second, will it impact the performance for postgresql? Probably. The kernel throttles these messages, so

Re: [PERFORM] Postgresql on itanium server

2011-06-09 Thread Tom Lane
Jochen Erwied joc...@erwied.eu writes: Thursday, June 9, 2011, 12:45:06 PM you wrote: As the URL mentions, you can build with CFLAGS=-ffast-math, that should work for PostgreSQL too. I just tried this with the source for 9.0.4, at least with this version the build will not complete since