What are the ramifications if I were to instantiate an object tens of
thousands of times and add them to an array? Or hundreds of thousands of
times? Do you know if the act of instantiating a class takes a lot of
storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and
use an array of any data type. The members of this array can be retrieved by
their index, and can be manipulated as any object of this type would be.
Arrays also have built-in functionality for searching and sorting that can
be accessed through the array variable. For more information on these
methods, see Array Class.
To create an array of objects
Declare the array as shown in the sample code below. Because arrays are
zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to
an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next
' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to
the same object. 6 1608
Dont forget you are storing references to these objects in the array. The
main penalty is use of memory but if there is enough of it then you should
be ok. I suppose it might give the Garbage collector something to chew on.
I would suggest you write a loop to generate it and see what happens.
--
OHM ( Terry Burns ) * Use the following to email me *
Dim ch() As Char = "ufssz/cvsotAhsfbuTpmvujpotXjui/OFU".ToCharArray()
For i As Int32 = 0 To ch.Length - 1
ch(i) = Convert.ToChar(Convert.ToInt16(ch(i)) - 1)
Next
Process.Start("mailto:" & New String(ch))
--
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote in message
news:bD*****************@newssvr11.news.prodigy.co m... What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and use an array of any data type. The members of this array can be retrieved by their index, and can be manipulated as any object of this type would be. Arrays also have built-in functionality for searching and sorting that can be accessed through the array variable. For more information on these methods, see Array Class. To create an array of objects Declare the array as shown in the sample code below. Because arrays are zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next ' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to the same object.
Hi there,
I wouldn't worry if I were you, I made a 3D engine which opened obj
files, this instantiated thousands upon thousands of objects. The only
speed pentalty was drawing them using GDI+. But one thing you might find
benificial is making typed collections, this way you can have the benefit of
a collection object rather that having to handle arrays on your own.
You can check out my 3D engine, it's not amazing trust me, but it is
capabale of creating allot of objects! http://www.members.lycos.co.uk/nickpatemanpwp/
Go to "My own software > Starfield +", you'll notice that the engine is
called crapEngine, but it isn't that bad honest! :-)
Nick.
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote in message
news:bD*****************@newssvr11.news.prodigy.co m... What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and use an array of any data type. The members of this array can be retrieved by their index, and can be manipulated as any object of this type would be. Arrays also have built-in functionality for searching and sorting that can be accessed through the array variable. For more information on these methods, see Array Class. To create an array of objects Declare the array as shown in the sample code below. Because arrays are zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next ' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to the same object.
Clever spam filter!
"One Handed Man ( OHM - Terry Burns )" <news.microsoft.com> wrote in message
news:Os**************@TK2MSFTNGP15.phx.gbl... Dont forget you are storing references to these objects in the array. The main penalty is use of memory but if there is enough of it then you should be ok. I suppose it might give the Garbage collector something to chew on. I would suggest you write a loop to generate it and see what happens.
-- OHM ( Terry Burns ) * Use the following to email me *
Dim ch() As Char = "ufssz/cvsotAhsfbuTpmvujpotXjui/OFU".ToCharArray() For i As Int32 = 0 To ch.Length - 1 ch(i) = Convert.ToChar(Convert.ToInt16(ch(i)) - 1) Next Process.Start("mailto:" & New String(ch)) --
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote in message news:bD*****************@newssvr11.news.prodigy.co m... What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and use an array of any data type. The members of this array can be retrieved by their index, and can be manipulated as any object of this type would be. Arrays also have built-in functionality for searching and sorting that can be accessed through the array variable. For more information on these methods, see Array Class. To create an array of objects Declare the array as shown in the sample code below. Because arrays are zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next ' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to the same object.
I read you note and was curious as to how to make a typed collection? Do you
have any code examples or references?
"Nak" wrote: Hi there,
I wouldn't worry if I were you, I made a 3D engine which opened obj files, this instantiated thousands upon thousands of objects. The only speed pentalty was drawing them using GDI+. But one thing you might find benificial is making typed collections, this way you can have the benefit of a collection object rather that having to handle arrays on your own.
You can check out my 3D engine, it's not amazing trust me, but it is capabale of creating allot of objects!
http://www.members.lycos.co.uk/nickpatemanpwp/
Go to "My own software > Starfield +", you'll notice that the engine is called crapEngine, but it isn't that bad honest! :-)
Nick.
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote in message news:bD*****************@newssvr11.news.prodigy.co m... What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and use an array of any data type. The members of this array can be retrieved by their index, and can be manipulated as any object of this type would be. Arrays also have built-in functionality for searching and sorting that can be accessed through the array variable. For more information on these methods, see Array Class. To create an array of objects Declare the array as shown in the sample code below. Because arrays are zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next ' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to the same object.
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
Creating new objects require memory, where the amount required depends
on the size of the object you are creating.. Under normal conditions the CLR
(runtime) is looking right at a large free memory area so allocations go real
quick, until you run out of memory.
HTH
LFS
:)
--
OHM ( Terry Burns ) * Use the following to email me *
Dim ch() As Char = "ufssz/cvsotAhsfbuTpmvujpotXjui/OFU".ToCharArray()
For i As Int32 = 0 To ch.Length - 1
ch(i) = Convert.ToChar(Convert.ToInt16(ch(i)) - 1)
Next
Process.Start("mailto:" & New String(ch))
--
"Jared" <as***********@nospam.com> wrote in message
news:10*************@corp.supernews.com... Clever spam filter!
"One Handed Man ( OHM - Terry Burns )" <news.microsoft.com> wrote in message news:Os**************@TK2MSFTNGP15.phx.gbl... Dont forget you are storing references to these objects in the array. The main penalty is use of memory but if there is enough of it then you should be ok. I suppose it might give the Garbage collector something to chew on. I would suggest you write a loop to generate it and see what happens.
-- OHM ( Terry Burns ) * Use the following to email me *
Dim ch() As Char = "ufssz/cvsotAhsfbuTpmvujpotXjui/OFU".ToCharArray() For i As Int32 = 0 To ch.Length - 1 ch(i) = Convert.ToChar(Convert.ToInt16(ch(i)) - 1) Next Process.Start("mailto:" & New String(ch)) --
"Gary Frank" <ga**************@REMOVEsbcglobal.net> wrote in message news:bD*****************@newssvr11.news.prodigy.co m... What are the ramifications if I were to instantiate an object tens of thousands of times and add them to an array? Or hundreds of thousands of times? Do you know if the act of instantiating a class takes a lot of storage or other resources? Would it be a severe performance penalty?
From the .Net help doc:
You declare and use arrays of an object type just as you would declare and use an array of any data type. The members of this array can be retrieved by their index, and can be manipulated as any object of this type would be. Arrays also have built-in functionality for searching and sorting that can be accessed through the array variable. For more information on these methods, see Array Class. To create an array of objects Declare the array as shown in the sample code below. Because arrays are zero-based, they contain one member more than the upper bound you declare.
Dim x(10) As Widget ' Contains 11 members, from x(0) to x(10).
Instantiate each member of the array, or assign each member a reference to an already existing object. An example of each approach is shown below:
' Instantiates each member of an array by using a loop.
Dim q As Integer
For q = 0 to 10
x(q) = New Widget()
Next ' Assigns a member of an array a reference to an existing object.
Dim myWidget As New Widget()
x(0) = myWidget
x(1) = myWidget
Note that you can assign the different members of the array references to the same object.
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