On 12 Jul 2014, at 3:03 PM, Till Oliver Knoll wrote:
> Am 11.07.2014 um 20:52 schrieb Andreas Pakulat <ap...@gmx.de>:
>
>> ...
>>
>> Its true that it makes it harder, but it also means having to carry around
>> more duplicated code. Recently had to add Qt5 libs for a dozen example apps
>> we ship and that was not quite that easy to get up and running (without also
>> shipping a dozen copies of Qt5 which frankly is a bit too much).
>
> Yes, that's the downside of BYOL ("Bring Your Own Libraries") ;) And as I
> wrote earlier, kind of defeats the idea of "shared libraries" (in the best
> case the "application" consists of several binaries which share some libs
> among each orher).
>
> But with spinning hard disks the size of terrabytes and SSDs the size of....
> Hey! Wait a minute! ;)
But you probably don't have terabytes of RAM, and cache is limited too, and
maybe the libraries still get loaded multiple times when you run multiple
applications if they are actually different versions (or maybe even if they
aren't). I was thinking the solution to both problems might be some sort of
deduplication by hashing, both in storage and in memory. It could be done at a
block level or at the level of individual functions. It's probably a research
project somewhere...
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