Re: MPS: weak hash tables

[Gerd Möllmann]

Ihor Radchenko <yantar92@posteo.net> writes:

> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>
>> So, we had 14 * 64M total before, and 16 * 64M afterwards. A bit more
>> makes sense since we now have GMP objects, but a dramatic improvement?
>> ...
>>
>> That's the only thing I can come up with ATM. Complete guesswork, of
>> course. I wonder how one would find an "optimal" configuration at all.
>
> I feel kind of silly, but
> https://memory-pool-system.readthedocs.io/en/latest/guide/perf.html
> maybe? It has an example of "dramatic improvement".

Interestingly, the 3 gens have the opposite effect with the Helmut showed.

   master       passed  27/54  ert-test-run-tests-batch-expensive (5.857224 sec)
   2-gen        passed  27/54  ert-test-run-tests-batch-expensive (80.113908 
sec)
   3-gen        passed  27/54  ert-test-run-tests-batch-expensive (142.356406 
sec)