copying large string from clipboard is slooooooooooooooooooooooooooooow

[Tom Glod]

I understand..thanks for clarifying and responding.  I will return and
share my further findings on this...... and yes...LC does do alot of hard
work for us.

On Wed, Aug 15, 2018 at 6:00 PM, Richard Gaskin via use-livecode <
use-livecode at lists.runrev.com> wrote:

> See Brian's note to get where I was going with that.
>
> I suggested comparing the speed with other programs because I'm assuming
> you're doing this for a worthwhile reason.  When we see how other apps
> compare with a similar task for their own reasons we begin to see the wide
> range of things that can sometimes happen moving lots of data to and from
> the system scrap.
>
> An MD5 hash is not a Clipboard operation.  It doesn't need to integrate
> with the system's Clipboard subsystem, nor require reformatting the entire
> string as the Clipboard sometimes does.
>
> "If you can drive one mile in a minute, shouldn't you be able to walk that
> in the same amount of time? After all, it's the same length." :)
>
> Different operations take different amounts of time.
>
> LC makes it easy to forget that, since it does so much of the work for us.
> Only by following the conversation around various Clipboard bug reports
> have I been able to begin to approximate an understanding of the complexity
> of the task.  LC is sometimes working really, really hard so we don't have
> to.
>
> If the amount of time needed for that operation is prohibitive for what
> you need to do, I'm sure we can find an alternative method.  Maybe
> rawClipboardData will handle what you need.  Other methods may be available
> as well.  It all depends on what exactly you want to do. Sometimes we can
> learn by how other apps do that.
>
> --
>  Richard Gaskin
>  Fourth World Systems
>
>
> Tom Glod wrote:
>
> Hi Richard...to copy it from a custom property into a variable takes a
>> blink of an eye.
>>
>> the file is i think 4.5 mb or so.
>>
>> takes 14ms seconds to do a md5 hash
>>
>> its definitely the slowness of the clipboarddata function.
>>
>> On Wed, Aug 15, 2018 at 5:25 PM, Richard Gaskin via use-livecode <
>> use-livecode at lists.runrev.com> wrote:
>>
>> Tom Glod wrote:
>>>
>>> > Hey Peeps... so I'm stress testing a clipboard tool I have been
>>> > working on .....and copying a large key from the clipboard array into
>>> > a variable (such as the king james bible from the guttenberg project)
>>> > takes a really long time.
>>>
>>> What is the size? It's been a long time since I worked with that file.
>>>
>>>
>>> > like 3 or 4 seconds ....(for each key)
>>> >
>>> > its a large string...but thats crazy.
>>> >
>>> > I'm copying from "the clipboarddata" ... not rawdata or fulldata.
>>> >
>>> > should i report bug? or is there a legit reason why this is so?
>>>
>>> Depends.  That's a very rare use case, one not likely optimized for by
>>> many apps, or even the OS.
>>>
>>> So one way to get a feel for whether LC is indeed slow there is to
>>> compare
>>> with another program:
>>>
>>> How long does it take to copy with the file is opened in Word?
>>> And from WordPad?
>>> Might also get comparisons with any other program you have lying around
>>> that can be used for that.
>>>
>>> --
>>>  Richard Gaskin
>>>
>>
> _______________________________________________
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
>