> On Nov 29, 2023, at 2:41 PM, Andres Freund <andres@anarazel.de> wrote:
>
> Hi,
>
>> On 2023-11-29 14:21:59 -0500, Andrew Dunstan wrote:
>> On 2023-11-29 We 12:42, Andres Freund wrote:
>>>> I do have a CFLAGS setting, but for meson I used '-Ddebug=true' and no
>>>> buildtype or optimization setting. However, I see that in meson.build we're
>>>> defaulting to "buildtype=debugoptimized" as opposed to the standard meson
>>>> "buildtype=debug", so I guess that accounts for it.
>>>>
>>>> Still getting used to this stuff.
>>> What I meant was whether you set CFLAGS for the *autoconf* build,
>>
>> That's what I meant too.
>>
>>> because that
>>> will result in an unoptimized build unless you explicitly add -O2 (or whatnot)
>>> to the flags. Doing benchmarking without compiler optimizations is pretty
>>> pointless.
>>>
>>
>> Right. My latest reported results should all be at -O2.
>
> Why are the results suddenly so much slower?
>
>
As I mentioned I increased the iteration count to 5000.
Cheers
Andrew