On Mon, 04 Feb 2008 10:18:39 -0800, rdahlstrom wrote:
> On Feb 4, 1:12 pm, Carl Banks <[EMAIL PROTECTED]> wrote:
>> On Feb 4, 12:53 pm, rdahlstrom <[EMAIL PROTECTED]> wrote:
>> > You have 500,000 people to fit through a door. Here are your options:
>>
>> > 1. For each person, open the door, walk through the door, then close
>> > the door.
>> > 2. Open the door, allow everyone to walk through, then close the
>> > door.
>>
>> > Which one would you say would be a more efficient way to fit 500,000
>> > people through the door?
>>
>> Bad analogy. A better analogy would be if each person has their own
>> door to walk through.
>
> The analogy holds. It's faster to open the door, do what you need to
> do, then close the door than it is to open and close the door each
> time.
It doesn't hold. Read the code again. The total count of "open door" and
"close door" is the same in both cases.
It's
for every person:
open his door; push him through the door; close his door
vs.
for every person:
open his door
for every person:
push him through the door
for every person:
close his door
Ciao,
Marc 'BlackJack' Rintsch
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