Getting install time for an RPM

Gavin Henry ghenry at suretecsystems.com
Thu Nov 11 10:21:00 UTC 2004


Arjan van de Ven said:
> On Thu, 2004-11-11 at 10:10 +0000, Gavin Henry wrote:
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>> Dear all,
>>
>> I have always wondered (setting here waiting for FC3 to install) how the
>> install time for an RPM is calculated.
>
> It involves the square root of the median of the imaginary and real
> parts of the complex number that is composed of the MAC address and MHz
> of your cpu.

So do I need to convert the MAC address from Hex first? What angle do I
use for the imaginary number also?

>
> Or maybe it just sees how many megabytes have been done so far and
> extrapolates based on that (with a fixed added time added to compensate
> for some fixed overhead)

Hpw does it know how many megs have pasted?

>
> (just as a side note; it's rumored that for OS/2, IBM researchers
> actually tried to map "feeling" of time as opposed to wallclock time in
> their install progress estimator, and ended up with a logarithmic scale,
> in the beginning people are still patient while near the end they loose
> patentience, so near the end visible progress needs to go faster for the
> same amount of wallclock progress)
>
>
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