[blfs-dev] Package stats
bruce.dubbs at gmail.com
Thu Mar 6 12:59:08 PST 2014
Fernando de Oliveira wrote:
> I find "du" more accurate, although more tome consuming,
Yes, that's why I went ot df.
so have to to
> mark some instants to avoid it from interfering in the timings.
> On example is that df will include the log size, perhaps you think it is
For me the log is at /usr/src/<pkg> so it is not included.
> But all numbers we give are approximate, large error bar, so I do not
> dispute methods or numbers.
> The problem there is that Ken found values very different, even one
> negative: building the API docs takes less than installing the ones in
> the tarball, is one example, and I can hardly believe this is possible:
> build taking less time than just installing the documents.
That would take some analysis. I don't see how that could happen either.
> As I introduced many of these numbers, probably after what Ken used to
> do with ImageMagick, what I think is that being non-english speaking
> native, I am giving wrong names to what I measure. That was the reason I
> detailed how and what I measure there. It seems I need to rename in the
> book, some number I gave.
> What I mean is: everybody know 1 inch is different from 1 cm. But I can
> use a ruler, make a measurement and tell Ken it is 1, using a cm ruler,
> but he thinking I am using inches.
> He is not wrong
> I am not wrong
Yes, but seconds is the same for everyone. So is <prefix>bytes. Well
some differentiate between KiB and KB. :)
> We are giving numbers for different things, probably my fault of not
> writing carefully what my number means.
WE are just giving the user an approximation. When I update, I do
change the stats, but it's rarely a significant change.
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