dmd memory usage
Dejan Lekic
dejan.lekic at gmail.com
Mon Nov 18 17:07:18 UTC 2019
On Monday, 18 November 2019 at 00:20:12 UTC, Steven Schveighoffer
wrote:
> I'm fighting some out of memory problems using DMD and some
> super-template heavy code.
>
> I have ideas on how to improve the situation, but it involves
> redesigning a large portion of the design. I want to do it
> incrementally, but I need to see things improving.
>
> Is there a straightforward way to figure out how much memory
> the compiler uses during compilation? I though maybe
> /usr/bin/time, but I feel like I don't trust the output to be
> the true max resident size to be what I'm looking for (or that
> it's 100% accurate). Is there a sure-fire way to have DMD print
> it's footprint?
>
> -Steve
You can wrap the whole thing in a shell script that takes PID of
the compiler, and uses psrecord [1] Python tool to give you CPU
and memory chart.
[1] https://pypi.org/project/psrecord/
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