Em ter., 4 de out. de 2022 às 05:36, David Rowley <dgrowle...@gmail.com> escreveu:
> On Tue, 4 Oct 2022 at 13:35, Ranier Vilela <ranier...@gmail.com> wrote: > > Revisiting my work on reducing memory consumption, I found this patch > left out. > > I'm not sure I can help. > > But basically I was able to write and read the block size, in the chunk. > > Could it be the case of writing and reading the context pointer in the > same way? > > Sure this leads to some performance loss, but would it make it possible > to get the context pointer from the chunk? > > In other words, would it be possible to save the context pointer and > compare it later in MemoryContextContains? > > I'm not really sure I understand the intention of the patch. The > header size for all our memory contexts was already reduced in > c6e0fe1f2. The patch you sent seems to pre-date that commit. > There is zero intention to commit this. It's just an experiment I did. As it is in the patch, it is possible to save the context pointer outside the header chunk. Making it possible to retrieve it in MemoryContextContains. It's just an idea. regards, Ranier Vilela