So you want -fast added as default for non-gcc Solaris? You mentioned there is a warning generated that we have to deal with?
--------------------------------------------------------------------------- Jeff wrote: > On Wed, 8 Oct 2003, Neil Conway wrote: > > > Hey Jeff, > > > > On Wed, 2003-10-08 at 11:46, Jeff wrote: > > > Yeah - like I expected it was able to generate much better code for > > > _bt_checkkeys which was the #1 function in gcc on both sun & linux. > > > > If you get a minute, would it be possible to compare the performance of > > your benchmark under linux/gcc and solaris/gcc when PostgreSQL is > > compiled with "-O3"? > > > Sun: > gcc: > none: 60 seconds > -O: 21 seconds > -O2: 20 seconds > -O3: 19 seconds > > suncc: > none: 52 seconds > -fast: 20 secondsish. > > -fast is actually a macro that expands to the "best settings" for the > platform that is doing the compilation. > > > Linux: > -O2: 35 > -O3: 40 > Odd.. I wonder why it took longer. Perhaps gcc built some bad code? > I thought the results were odd there so I ran the test many times.. same > results! Swapped the binaries back (so -O2 was running) and boom. back to > 35. > > Sun gcc -O2 and suncc -fast both pass make check. > > > -- > Jeff Trout <[EMAIL PROTECTED]> > http://www.jefftrout.com/ > http://www.stuarthamm.net/ > > > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to [EMAIL PROTECTED] so that your > message can get through to the mailing list cleanly > -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org
