Hi,
On 2024-03-04 08:47:11 -0300, Ranier Vilela wrote:
> Does filling a memory area, one by one, with branches, need strong evidence
> to prove that it is better than filling a memory area, all at once, without
> branches?
That's a bogus comparison:
a) the memset version modifies the whole
> On 4 Mar 2024, at 16:47, Ranier Vilela wrote:
>
> Does filling a memory area, one by one, with branches, need strong evidence
> to prove that it is better than filling a memory area, all at once, without
> branches?
I apologise for being too quick to decide to mark the patch RwF. Wold
Em seg., 4 de mar. de 2024 às 03:18, Andrey M. Borodin
escreveu:
>
>
> > On 14 Jan 2024, at 18:55, John Naylor wrote:
> >
> > On Sat, Jan 13, 2024 at 9:36 PM Ranier Vilela
> wrote:
> >>
> >> Em ter., 9 de jan. de 2024 às 06:31, John Naylor <
> johncnaylo...@gmail.com> escreveu:
> >
> >>> This
> On 14 Jan 2024, at 18:55, John Naylor wrote:
>
> On Sat, Jan 13, 2024 at 9:36 PM Ranier Vilela wrote:
>>
>> Em ter., 9 de jan. de 2024 às 06:31, John Naylor
>> escreveu:
>
>>> This just moves an operation from one place to the other, while
>>> obliterating the explanatory comment, so I
On Sat, Jan 13, 2024 at 9:36 PM Ranier Vilela wrote:
>
> Em ter., 9 de jan. de 2024 às 06:31, John Naylor
> escreveu:
>> This just moves an operation from one place to the other, while
>> obliterating the explanatory comment, so I don't see an advantage.
>
> Well, I think that is precisely the
Em ter., 9 de jan. de 2024 às 06:31, John Naylor
escreveu:
> On Thu, Dec 28, 2023 at 7:58 PM Ranier Vilela wrote:
> > I think it would be more productive to initialize the entire array with
> -1, and avoid flagging, one by one, the items that should be -1.
>
> This just moves an operation from
On Thu, Dec 28, 2023 at 7:58 PM Ranier Vilela wrote:
> I think it would be more productive to initialize the entire array with -1,
> and avoid flagging, one by one, the items that should be -1.
This just moves an operation from one place to the other, while
obliterating the explanatory comment,
Hi,
The function heap_page_prune (src/backend/access/heap/pruneheap.c)
Has a comment:
"/*
* presult->htsv is not initialized here because all ntuple spots in the
* array will be set either to a valid HTSV_Result value or -1.
*/
IMO, this is a little bogus and does not make sense.
I think it
