On Tue, 1 Dec 2020 at 02:31, Alexander Korotkov <aekorot...@gmail.com> wrote:
> On Mon, Nov 30, 2020 at 7:00 AM Krunal Bauskar <krunalbaus...@gmail.com> > wrote: > > 3. Problem with GCC approach is still a lot of distro don't support gcc > 9.4 as default. > > To use this approach: > > * PGSQL will have to roll out its packages using gcc-9.4+ only so > that they are compatible with all aarch64 machines > > * but this continues to affect all other users who tend to build > pgsql using standard distro based compiler. (unless they upgrade compiler). > > I think if a user, who runs PostgreSQL on a multicore machine with > high-concurrent load, can take care about installing the appropriate > package/using the appropriate compiler (especially if we publish > explicit instructions for that). In the same way such advanced users > tune Linux kernel etc. > > BTW, how do you get that required gcc version is 9.4? I've managed to > use LSE with gcc 9.3. > Did they backported it to 9.3? I am just looking at the gcc guide. https://gcc.gnu.org/gcc-9/changes.html GCC 9.4Target Specific ChangesAArch64 - The option -moutline-atomics has been added to aid deployment of the Large System Extensions (LSE) > > ------ > Regards, > Alexander Korotkov > -- Regards, Krunal Bauskar
