On Aug 28, 2005, at 4:00 PM, Tom Lane wrote:

Hmm, can you provide a test case for other people to poke at?

I'l try to put one together as small as I can make it.
The table in question is roughly 22M rows. There are about 8k rows per timestamp (day granularity).

I see -O2 when building PG (CVS tip) on a fully up-to-date 10.4.2
machine.  Maybe something odd in your environment, like a preset
CFLAGS setting?

8.0.3 doesn't have any optimization flags
8.1beta1 doesn't have any optimization
ie: gcc -no-cpp-precomp -Wall -Wmissing-prototypes -Wpointer-arith - Wdeclaration-after-statement -Wold-style-definition -Wendif-labels - fno-strict-aliasing -I../../src/port -I../../src/include -c thread.c -o thread_srv.o

I'm on 10.4.2, xcode 2.1
Using built-in specs.
Target: powerpc-apple-darwin8
Configured with: /private/var/tmp/gcc/gcc-5026.obj~19/src/configure -- disable-checking --prefix=/usr --mandir=/share/man --enable- languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^+.-]*$/ s/$/-4.0/ --with-gxx-include-dir=/include/gcc/darwin/4.0/c++ -- build=powerpc-apple-darwin8 --host=powerpc-apple-darwin8 -- target=powerpc-apple-darwin8
Thread model: posix
gcc version 4.0.0 (Apple Computer, Inc. build 5026)

The snapshot on ftp.psotgresql.org (dated 8/29) also runs with no optimization.

No cflags are set.

need to see anything from config.log?


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