Re: apt without MMap
"Eugene V. Lyubimkin" <jackyf.devel@gmail.com> writes:
> Hi Luca, thanks for look.
>
> Luca Bruno wrote:
>> You only analyzed the speed part of your changes, which is amazing.
>> But, what about the memory/resources used?
> Cache memory is consumed by arrays/lists of small struct's, which previously has fields of
> type map_ptrloc, where sizeof(map_ptrloc) == 4. In 'nommap' they contain (<type>)* fields,
> which has the same 4 bytes on 32-bit arches and 8 bytes on 64-bit ones.
>
> So, I assume that it will be only a regression in memory size on 64-bit arches, but I
> don't consider this as problem because 64-bit arches usually have large amounts of RAM,
> and additional 8-32 MiB of heap doesn't make a concern.
I fully consider it as a nice improvement for APT and fully support it
for 0.8.
Thanks a lot by looking into it :-D
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