IO speed slipping again?

[Jerry Quinn]

Benjamin Kosnik writes:
 > 
 > >Hi, all.  For a little while, the mainline library has been giving
 > >output speeds close to gcc 2.95 (within 10-20%).  Some time in the
 > >last week or two, the library slowed way down again.  Do any of you
 > >know what might have happened?  Fallout from Paolo's work?  If not,
 > >I'll try to do a search and locate the patch.
 > 
 > I saw the slowdown too, but it seems to have come up again. (I see this
 > across two machines). I suggest trying to isolate libc/kernel/compiler
 > bits. In particular, somebody need to try the current library versus a
 > mid-march compiler.

In my case, it turns out that the library was not being built with
optimization on.  When I set it to -O2, the times went back down
again.  I still don't know why it's not using optimization in the
builds, though.

Jerry