Re: A tidyup of pathkeys.c

2025-10-18 Thread David Rowley
On Tue, 14 Oct 2025 at 21:05, Richard Guo wrote: > +1. I think this is a nice tidy-up. Pushed. Thanks for the reviews. David

Re: A tidyup of pathkeys.c

2025-10-18 Thread David Rowley
Thanks for having a look. On Tue, 14 Oct 2025 at 21:15, Chao Li wrote: > I have only a trivial comment. As you pull out the shared code into > count_common_leading_pathkeys_ordered()/unordered(), it’s reasonable to make > them inline, which ensures the new code has the same performance as befor

Re: A tidyup of pathkeys.c

2025-10-17 Thread David Rowley
On Tue, 14 Oct 2025 at 21:05, Richard Guo wrote: > FWIW, I complained about the stray check in has_useful_pathkeys() in > [1] last week, but you were quicker than me in making the code change > to remove it. I missed that. I'm confident that line does nothing but waste cycles. A quick look at how

Re: A tidyup of pathkeys.c

2025-10-14 Thread Chao Li
> On Oct 14, 2025, at 19:22, David Rowley wrote: > > What makes you think making them inline would make the performance the > same as before? The previous functions were not inlined, and I've not > made any changes that should affect the compiler's ability to choose > to inline these functions

Re: A tidyup of pathkeys.c

2025-10-14 Thread Chao Li
> On Oct 14, 2025, at 14:02, David Rowley wrote: > > When working on a5a68dd6d I noticed that truncate_useless_pathkeys() > uses a bunch of different static helper functions that are mostly the > same as each other. Most of them differ only in which field of > PlannerInfo they look at. > > Th

Re: A tidyup of pathkeys.c

2025-10-14 Thread Richard Guo
On Tue, Oct 14, 2025 at 3:03 PM David Rowley wrote: > Here's a list of what I've changed: > > 1. Add count_common_leading_pathkeys_ordered() function to check for > leading common pathkeys and use that for sort_pathkeys, > window_pathkeys and window_pathkeys. > 2. Add count_common_leading_pathkeys