btdu - a sampling disk usage profiler for btrfs (written in D)
Ola Fosheim Grostad
ola.fosheim.grostad at gmail.com
Fri Nov 27 10:26:18 UTC 2020
On Friday, 27 November 2020 at 10:20:41 UTC, Vladimir Panteleev
> However, that wouldn't help in this case, because the problem
> here doesn't come from allocations, but from the stop-the-world
> aspect of the GC.
> A theoretical non-stop-the-world GC would indeed help in this
> situation, but such a GC is only possible if you restrict the
> language to a subset, such that all copies of managed objects
> are always visible to the compiler. It would require all
> @system / extern(C) code to be carefully re-scrutinized. In
> short, this would essentially be a different language (based on
> D). I don't think we can get there from where we are now.
Hm, but it would only stop a single thread. You would not be
allowed to share nonpinned objects with other threads.
More information about the Digitalmars-d