Henry B. Hotz wrote: > >> Well, why do we have it enabled at all? If it's to speed compilation, we > >> may as well enable it on other platforms where -pipe works, of which > >> Linux is one. > > > >My gcc 2.95.3 manual says: > > > > -pipe Use pipes rather than temporary files for communi- > > cation between the various stages of compilation. > > This fails to work on some systems where the assem- > > bler cannot read from a pipe; but the GNU assembler > > has no trouble. > > > >so it looks like we can't use it on all platforms without testing. I > >will enable it for linux. Do people want to test other platforms? > > It should work on any platform that uses the GNU tools, so that means > *BSD is in the same boat as Linux. > > Does it really speed compilation though? I saw somewhere that it > didn't make much difference and might even hurt sometimes.
I saw a 5 second improvement with -pipe on a 150 second full compile of PostgreSQL. However, I have a MFS /tmp. I suppose if I didn't, it would be slower. However, the difference is so small as to be meaningless. Can someone else test on another *BSD and report? -- 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 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
