Re: [PATCH 0/4] Micro-optimize DWARF partial symbol reading

Christian Biesinger
2020-05-20T19:31:32Z

On Wed, May 20, 2020 at 12:40 PM Tom Tromey <tromey@adacore.com> wrote:
>
> A personal goal of mine is to improve the startup time of gdb. In the
> long run, I think the answer lies partly with threading, and perhaps
> with a more radical rewrite of the DWARF psymbol reader. However,
> those are difficult goals; and in the short term, I found that just
> profiling the reader and making small improvements can make a
> difference.
>
> This series improves the performance of the DWARF partial symbol
> reader about 10% (more in one case) on some real-world executables.
> See the first patch for details (I chose to put the details there so
> they would end up in the eventual git log).
>
> Regression tested on x86-64 Fedora 30.
>
> Let me know what you think.

These look good to me, for what it's worth.

Christian