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Re: Windows binaries 64bit for PHP [message #178033 is a reply to message #178030] Thu, 10 May 2012 23:35 Go to previous messageGo to previous message
Jerry Stuckle is currently offline  Jerry Stuckle
Messages: 2598
Registered: September 2010
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On 5/10/2012 5:29 PM, Daniel Pitts wrote:
> On 5/10/12 2:05 PM, Jerry Stuckle wrote:
>> On 5/10/2012 4:15 PM, Daniel Pitts wrote:
>>> On 5/9/12 8:53 PM, Jerry Stuckle wrote:
>>>> On 5/9/2012 6:28 PM, Daniel Pitts wrote:
>>>> > On 5/9/12 3:19 PM, Michael Fesser wrote:
>>>> >> .oO(Jerry Stuckle)
>>>> >>
>>>> >>> On 5/8/2012 4:25 PM, Michael Fesser wrote:
>>>> >>>> .oO(Jerry Stuckle)
>>>> >>>>
>>>> >>>>> On 5/7/2012 11:37 PM, Daniel Pitts wrote:
>>>> >>>>>> Exactly true, but if you scale to sizes you don't need, you
>>>> >>>>>> indeed
>>>> >>>>>> use
>>>> >>>>>> more processor time! Our disk space is definitely not the
>>>> >>>>>> bottleneck.
>>>> >>>>>
>>>> >>>>> And if you repeatedly rescale the same image to the same size,
>>>> >>>>> you're
>>>> >>>>> using even more processor time!
>>>> >>>>
>>>> >>>> You missed the word 'caching'. You rescale when needed, and only
>>>> >>>> once.
>>>> >>>
>>>> >>> No, I didn't. By definition, caching is temporary storage which
>>>> >>> can be
>>>> >>> erased at any time.
>>>> >>
>>>> >> Correct. And then the rescaled images are created again when
>>>> >> needed, so
>>>> >> what's the problem? It all happens automatically.
>>>> >>
>>>> >> Micha
>>>> >>
>>>> >
>>>> > Caching needn't be temporary, and you can ensure it isn't "erased at
>>>> > any
>>>> > time" by just not erasing the "cache". There are many different
>>>> > types of
>>>> > "cache".
>>>>
>>>> By definition a cache is temporary.
>>>>
>>> Whose definition?
>>> According to <http://www.thefreedictionary.com/cache>
>>>
>>> 1. "A collection of items of the same type stored in a hidden or
>>> inaccessible place."
>>> 2. Computer Science: A fast storage buffer in the central processing
>>> unit of a computer. Also called cache memory.
>>>
>>> That doesn't define it as temporary. Perhaps you're mistaking your
>>> understanding of the concept with reality. Reality wins over your
>>> understanding.
>>>
>>> Anyway, I've had enough fun arguing with an obvious "expert" in this
>>> field. Enjoy being "right" on the internet.
>>>
>>> Good day,
>>> Daniel.
>>
>> And you obviously don't understand what you're reading.
>>
>> Since when is "memory" permanent? I thought that's why we had hard
>> drives. And I don't see any thing in your definition about hard drives.
>>
> So, lets take a step back here.
>
> Forget the word caching, and your misunderstanding of it altogether.
>
> A system which will resize an image on-demand, and store the resize
> image for later retrieval is more efficient than one that will create
> all known previous sizes and then reprocessing all old images as new
> requirements are introduced.
>
>

I do not misunderstand caching. Just because YOU have no idea what
you're talking about doesn't mean anyone else doesn't.

And a system which creates all the images once so it doesn't have to
keep needlessly checking to see if an image exists or not is more
efficient than one which constantly has to see if something exists or not.

Resizing is done ONCE. Checking has to be done on EVERY REQUEST.

But then you're got your mind made up. After all, it would take
"months" for you to resize your images.

A good system can resize several hundred images a second. At most we're
taking a few hours to do 7.5M images, even if they are high-res. But
your TRS-80's may only be able to do one a second.

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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