On Thu, Apr 25, 2024 at 04:59:54PM +0400, Pavel Borisov wrote: > 0001: Optimize speed by avoiding heap visibility checking for different > non-deduplicated index tuples as proposed by Noah Misch > > Speed measurements on my laptop using the exact method recommended by Noah > upthread: > Current master branch: checkunique off: 144s, checkunique on: 419s > With patch 0001: checkunique off: 141s, checkunique on: 171s
Where is the CPU time going to make it still be 21% slower w/ checkunique on? It's a great improvement vs. current master, but I don't have an obvious explanation for the remaining +21%.
