Speeding Up Macro Processing

Aug 27, 2009

Ive found a few ways to speed up the macro in my workbook thats taking about 40 minutes to process usually.

One way - Press Escape and it goes about twice as fast! - Wy does it do this?

Another way - Inserting these lines into the code -

Application.Calculation = xlCalculationManual
Application.Calculation = xlCalculationAutomatic

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Speeding Up Macro's

Mar 13, 2008

This may be a long shot, but I've been working on a macro today which runs a few Vlookups, does some copying and pasting and some re-aligning....basically nothing too complicated. The Vlookup is looking through approx 45,000 records and returning about 200 - 300 on average, this info returned is company name, address, contact info etc etc.

This macro is taking a ludicrously long time to run, I've checked through and removed any coding that I think is unnecessary without altering the final outcome of the macro.

It still takes ages. Has anyone got any ideas why this may be, or any tips of speeding it up?

I have a brand new computer, dual core processor, 2 gigs of ram etc so it shouldn't be performance of the machine slowing it down, and I ran it with the least applications open that I can (I'm at work so can't close everything, but none of the other applications are memory hogs or anything). I'm running on Office 2003 on Windows XP.

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Speeding Up A Macro

May 13, 2008

I am running a rather large simmulation where I have 12 for loops with each running between 0 and 100% with variable steps and the where the sum of the 12 variables has to sum to 100% and sometimes combinations of the sums of a few of the 12 have to sum up to specific values. That part works, now I am trying to get this to run faster.

Question:
Is there a different design that might be able to run this process more efficiently?
If not, is there a way to speed up the process by letting the computer know that all these variables are between 0 and 1 (or 100%) and that I only need 3 digits after the decimal if the value is in % form?

(the only problem with the rounding or cutting off the decimals at the end that I can think of is that it will only speed up the process a bit but will also make the summing upto 100% or any other value difficult)

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Speeding Up Formatting Macro

Jun 28, 2007

I need help with speeding up my macro. I have been building this using alot of the recorder and the maco is just horribly sluggish. I don't know if it is possible, but it seems like it is. I need the macro to obviously work the same way. The way it has been recorded, the order of operation is important. But if any one knows how to do this better it would be a huge help. The slowest part is during the insertion of the formulas into col. J,K,&L takes like over 7min -- Macro does work perfect though.

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Row Hiding Macro, Speeding It Up?

Aug 23, 2007

This code is pretty slow if most rows have to be hidden. I'm certain there is a faster way to do this but I'm not seeing it.

What am I doing with
For each row from 12 to 236 I'm looking to see if there is data in any cell in columns A:F, H, & J. If not, I hide the row. I'm starting at row 236 and working up to 12 continuing to hide rows until I find data or I reach row 11. As soon as any row has data or row 11 is reached the the procedure ends leaving all remaining rows visible ...

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Speeding Up An Auto-delete Macro

Jul 14, 2008

Delete rows where column A and B are duplicated.

However, this runs extremely slow. I had to stop it after about 10 min, as it only got to about row 1000 of 20,000.

Sub Delete_Dupes()
Dim rw1 As Long: rw1 = 1
Dim rwx As Long: rwx = rw1
Dim stepx As Integer
Dim co1 As Integer: co1 = 1
Dim co2 As Integer: co2 = 2
Dim bool1 As Boolean
Dim bool2 As Boolean
Dim bool As Boolean
Dim count As Integer
count = 0
Do Until Cells(rwx, co1) = ""
stepx = 1
If rwx > rw1 Then
On Error GoTo NewCrit
bool1 = IsError(Application.WorksheetFunction.Match(Cells(rwx, co1), Range(Cells(rw1, co1), Cells(rwx - 1, co1)), 0))
bool2 = IsError(Application.WorksheetFunction.Match(Cells(rwx, co2), Range(Cells(rw1, co2), Cells(rwx - 1, co2)), 0)).................

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Pasting Without Selecting And Speeding Up Macro In Background

Mar 14, 2013

1. I need to paste data that is copied from an internet window into sheet1 without selecting the cell so that I can continue working on a data in sheet5. The macro prevents me from editing sheet5 in an orderly fashion because when it goes to paste the data into sheet1 it selects the cell in sheet1 interupting what I am trying to manually do with the data in sheet5. How to paste data into a cell withou selecting the cell so that my program stops interupting what I am doing in a different sheet?

2. My macro is meant for real-time defect monitoring in a production facility. The macro opens an IE window that contains the defect occurences, copies the data, pastes it in sheet 1 then sheets2 and 3 analyze the data, closes the IE window, and then waits for a time period before repeating the process. This macro is so slow though that it is hard to work on this file while the macro is running. How to run the macro in the background and speed it up so that I can continue working on Sheet5 of the file while the macro repeats itself over and over again? Here is my code.

The variable website is determined by earlier parts of the code that direct the macro to a specific network website.
Sub Half_Hour_Data

1
'Open Internet Window and Navigate to Website
Set myIE = CreateObject("InternetExplorer.Application")
myIE.Navigate Website
myIE.Visible = True
Application.Wait Now + TimeSerial(0, 0, 10) needed to wait until the page loads

[code]....

Is there a way to speed up the macro by removing the timeserials and just telling it to continue when the task is complete. Then run the whole thing in the background so I can work on another sheet while this program runs?

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Speeding Up Macro Process (Graph Algorithm Stuff)

Jul 7, 2009

i'm working on floyd algorithm macro for a project,
problem is, the spreadsheet matrix is huge, it's a 1043 x 1043 spreadsheet
And this is taking wayyy too long, i've been waiting for almost 2 days already..
here's the file :
http://ifile.it/6v2j39f
(You start the macro using "run" command in "input" sheet)

So is there any way to speed it up?
Or if anyone got a supercomputer, could you help me process this? :p

I'm thinking about changing the 10^5 value into infinite value, but i can't find a way to display infinite value..

And here's some reference for Floyd's algorithm,
http://ifile.it/12p5zle

I have tried to split the algorithm to make it process one iteration at a time, but i've been waiting like 2 hours with no result,
and that's for 1 iteration, can't imagine how long it takes for 1043 iterations
You can do this by deleting the.

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Excel VBA Errors For Long Macro Processing?

Dec 30, 2013

I have a very long (> 2 hr) macro that sifts through thousands of files and creates a table of contents (more or less). Anyway, the macro will operate just fine when I am also working at the same PC but if I walk away for an hour, Excel will sometimes generate an error (application defined or object defined error). I believe that it has something to do with the PC going idle although it really isn't going idle because I turn off sleep and hibernate while running the macro. Also, there are only two locations where the error seems to occur. See below:

Code:
Dim oApp As ObjectSet oApp = CreateObject("Shell.Application")
Dim files As New Collection
Dim fZip As Variant
For Each fZip In oApp.Namespace(zipFile).items

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Macro Processing Time Is Very Slow (using Record Function)

Jun 17, 2009

I created this macro (below) using the record function but when I kick it off it takes 40 seconds or more to run.

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Speeding Up VBA

Jul 16, 2007

I've been working on the following code and need to find a way to speed it up.

The premise is that I have a list of columns (From C2 to potentially EH and beyond) and these columns will contain the values Y, N, end or nothing. I'm looking for the quickest way to zap along the columns and delete all that have an N and to stop when end or "" is reached.

There are 2 versions as I'm not sure which one is best ...

Range("B2").Select
LastColumn = Range("A1").End(xlToRight).Offset(, 1).Column
For k = 2 To LastColumn
ActiveCell.Offset(0, 1).Select ' right 1
If ActiveCell.Value = "Y" Then Next k
End If
If ActiveCell.Value = "N" Then
ActiveCell.EntireColumn.Delete 'If employee has no sickness then delete column
ActiveCell.Offset(0, -1).Select
End If
If ActiveCell.Value = "end" Then Exit For
If ActiveCell.Value = "" Then Exit For
Next k
or a longer version

StripSickness:
Range("B2").Select
ActiveCell.Offset(0, 1).Select ' right 1
PrintView = ActiveCell.Value 'Y/N whether employee has data
If PrintView = "Y" Then GoTo StripSickness
If PrintView = "N" Then GoTo NotNeeded
If PrintView = "End" Then GoTo Complete 'last column shows "end"
If PrintView = "" Then GoTo Complete

NotNeeded:
ActiveCell.EntireColumn.Delete
ActiveCell.Offset(0, -1).Select
GoTo StripSickness 'once employee is deleted, go back to stripsickness process

Complete:
Range("a1").Select

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Speeding Up Vba Code

Jul 17, 2007

I've been working on cleaning up some code that copies particular information from one sheet (as the original must remain unedited) and then edits out irrelivant information.

However I've noticed that my "before" code moves far faster than my "after" code, which is odd considering that I've cleaned out a lot of excess code and the end results are the same.

I attach an example of my old fast code and my new slow code - can anyone advise where I have gone wrong ? Run the fast code first and then the slow one - you'll see the difference!

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Speeding Up Multistep Loop

Aug 20, 2007

first, id like to thank the board for the help on setting up an array or ranges.

ive been able to get my code to work but its painfully slow...if anyone had any recommendations on speeding it up would appreciate it...i was playing around with using formulaarray instead of writing and reading the data on each loop but cant get it to work...and i'm not really even sure thats the right way to go.

i copied the entire code below...what i was doing was taking 8 time series and looping thru each one to calculate some basic statistics...i ran the function EDFlyRateFromPrice to calculate another series of data which i then run the standardize, max and min functions on.

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Speeding Up Page Setup

Jun 23, 2008

This part of my macro can be improved as it runs through over 100 sheets and takes a while?

Sheets.Select
For Each sh In Worksheets
With sh.PageSetup
.Zoom = False
.LeftFooter = "&F" & Chr(10) & "&A"
.CenterFooter = "&P of &N"
.RightFooter = "&D"
.FitToPagesWide = 1
.FitToPagesTall = 1
.LeftMargin = Application.InchesToPoints(0.15748031496063)
.RightMargin = Application.InchesToPoints(0.15748031496063)
.TopMargin = Application.InchesToPoints(0.393700787401575)
.BottomMargin = Application.InchesToPoints(0.354330708661417)
.HeaderMargin = Application.InchesToPoints(0.511811023622047)
.FooterMargin = Application.InchesToPoints(0.196850393700787)
.TopMargin = 1
.BottomMargin = 1
.Orientation = xlPortrait
End With
Next sh

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Speeding Up Workbook With 12672 Sumifs

Mar 4, 2014

I am putting together a workbook which calculates a rota for 5 days that shows overall headcounts every 15mins.
It currently has 12672 cells containing SUMIFS.

But this takes a very long time to calculate.

Is there a faster / more efficient way for me to approach this task?

Can I attach the workbook so you can see what I mean?

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Speeding Update Process Of A Database

Jan 15, 2007

Did not want to hijack Jonny's thread about ways in which to update and streamline code to make it run faster. The update speed of my first attempt at a macro is woefully slow - 5 minutes for 2.5K records. I was wondering if some of you more knowledgeable folk could look at my code and make suggestions as to how it could be modified to run faster.

When I ctrl-break out of it I usually end up in a private sub that concatenates columns A & B in Column C (see below). When it resorts the database it must keep triggering this concatenate sub which (I think) is slowing things down.

Concatenate Private Sub:

Option Explicit

Private Sub CommandButton1_Click()

End Sub

Private Sub Worksheet_Change(ByVal Target As Range)

If Target.Cells.Count > 1 Or IsEmpty(Target) Then Exit Sub ......................

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Speeding Up Auto Filter On Multiple Sheets?

May 22, 2014

I want to filter 4 worksheets, but it takes a lot of time, something like 5 seconds, I need it to be at least twice faster.

I'm using this formula: [Code]......

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Processing Information

Oct 31, 2007

is there a vba code which I could use such that it will show me how much processing has be completed.

So basically the user first enters all the information required for the calculation(which is basically a bunch of records on which the processing is carried out), then they press a button which will start the calculation however currently the user has to keep on pressing the refresh button (ctrl+alt+F9) and keep on refressing until the results have been calculated then they are available to view.

I was thinking if it is possible that after the user click on the calculate button a form appears which will start the calculation and within the code it will automatically refresh the worksheet ('s) and then when a field within the worksheet (Status) changes to completed the form will then disappear.

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Colour Processing In VBA

Jan 17, 2007

I am trying to do a conditional format for a cell and I think that it will contain some VB.

If a cell(C3) is a certain background color (gold), then I want another cell (E3) to subtract the number within the cell(C3). If the cell(C3) is not gold, then it is not to be subtracted.

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Latitude & Longitude Processing Help Please

Dec 12, 2009

I'm currently working on a project with data that includes columns for both latitude and longitude which I will need to convert from its current form into decimal degrees. The problem is that the coordinates are in the format DDDMMSS followed by a single letter indicating the direction, which means I have to first extract proper degree minute second format before I can do anything. Further complicating the problem is that each of the entries does not necessarily have all of the components I just described (eg some of the latitudes only have degrees and minutes but not seconds) and also if a longitude is less than 100 degrees, the third digit is not used in the data. There are over 2000 records so doing the conversion by hand just won't work and I've only got a few days to present this part of my project anyway.

I'm looking for a formula or series of formulas that will reliably convert something like 1083000W into -108.5000 when the last two zeros may or may not be there and the first digit may also be missing.

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Processing A String By A Software

Jun 8, 2007

I get equation in the form of a string from the output of a software that I want to modify by Excel. I am no expert in Excel and I am wondering if some expert in Excel at this forum can do this for me.

see the attached Excel file. The string in cell A1 is an example string that I will be explaining how I want this string to be modified. Here are the attributes of the string.

a. The string will have ASCII characters in it.

b. The string is a mathematical equation. I will be pasting it into Mathcad once the Excel program modifies it.

c. The string has parameters and mathematical operators in it (+,-,*,/,^). Each parameter is seperated from another parameter by at least one space. There is no space in a parameter. So, each parameter starts with a space and ends with a space. The parameters of the example string in cell A1 are listed from cells A5 to A14 in the attached file.

d. If a parameter has paranthesis in it (), then the program will disregard any character in the parameter outside the paranthesis and take the characters inside the paranthesis. For example, it will modify the parameter in cell A5 from "F(u)_X1" to "u". If the parameter has no paranthesis in it, like the one in cell A14, then it will take it as is.

e. The format of the string is such that the multiplication sign may be omitted between parameters. If there is no mathematical operator between two adjacent parameters, it should be assumed that the math operator between them is multiplication. So, the Excel program should insert a multiplication sign between them.

f. Then the program will reassemple the string in the form of an equation by appropriately keeping the mathematical operators in the original expression.

The cells B5 to B14 show the modified parameters of the original parameters in the string in cell A1. The Excel program should put together the parameters in B5 to B14 as shown in cell A18.

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Check For Data Before Further Processing

Dec 7, 2007

I have a cell in my spreadsheet that is used to designate if the row needs to be hidden or not. If the user enter's "Y", the row is hidden. I need to check some of the previous cells for entered data before the row is hidden. If data is not entered in these cells I want the empty cell(s) to be filled with a color. The user will then have to enter a value into all the correct cells before the function to hide the row will work. What is the best way to do this? I am using the following function to check for the "Y" and hide the row.

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Automating Data Processing

Jul 25, 2008

I have a large number of sheets with data in the following general format:

x ..... y ............ z etc

A Unique value Unique value
A Unique value Unique value
B Unique value Unique value
B Unique value Unique value
C Unique value Unique value
C Unique value Unique value
D Unique value Unique value
D Unique value Unique value
E Unique value Unique value
E Unique value Unique value

In seperate sheets, I want the following:

x y1 y2
A
B
C
D
E

x z1 z2
A
B
C
D
E

And so on for a number of columns - I always want column "x" with another column, however I want the two values for the same value of x to be next to each other, not above one another.

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VBA Text Processing In 2003

Feb 10, 2010

Attached is a sample Excel file. In one worksheet, the RawData sheet, there is a column of text data. Each cell in that column has one or more values in the form: 2.x, or 2.x, 2.y, 2.z. The x, y, and z values are "Rqmt Numbers".

In the second worksheet, Counts, I am trying to count the frequency of each Rqmt Number. I've been trying to figure out the VBA code to do this for longer than I'd like to admit.

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Processing A Text File

May 12, 2006

I am having trouble coming up with a way to retrieve certain pieces of data out of a text file. It is a file full of commands for some custom software we use. Here is a snippet of the file, the red parts are what I need to capture.

TOTAL RESET

Set 1=-1,8=-1,14=1,51=5,53=2,64=1,67=0,68=1,72=-1;

TABULATE
TA-TOTWWRTHP
TA-TOTCOLES
TA-BI-LO
TA-TOTIND3
TA-TOTIND2 (NORANK)
BY
L-MAT
With ZVARIABLE
FUTS-TOTWWTP
FUTS-TOTCOLS..........................

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Processing Multiple Files

Oct 10, 2006

I have to apply formulas to many different excel files. They are all seperate, and there are litterally thousands of them. They are all seperated, cause each of them represent and individual user.

I am unsure of how to work on so many files. I cannot select all of them to open at once either, cause they are in different folders.

I need some sort of batch running program, that could go thru each and every one of them, and apply some formulas to them (probably using VBA scripts)

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Processing Of Multiple Workbooks

May 11, 2007

I often use multiple workbooks containing large data, (more than 10MB) with formulae built in. When I update one workbook, i cant use the other because Excel is still processing the first. Is there a work around or a MS patch to rectify this, or this is just a limitation of Excel program?

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Show UserForm Animation While Another Is Processing

Nov 20, 2009

I've been working on a variety of ways to display a 'loading' animation into Excel while other processes are running and although there seems to be a lot of strategies out there, none seem to jive with the form I've created. I've been reading a lot about "DoEvents", because that seems to be the common theme in trying to display a UserForm while other processes are running. However, I just don't have enough of a grasp of how it works to make it function properly with my form.

Basically, the form I have features several combo boxes, several command buttons, a few text fields and a bunch of labels. On initializing the form, captions for the labels and items in the combo boxes are added based on the ActiveCell and its surrounding values. Additionally, it includes an 'UPDATE' button that changes the captions and values on the form itself without hiding it, and once again makes reference to the active cell. This 'UPDATE' function can take quite some time and this is where I want to have a loading animation running.

Like I said, I've tried to achieve this in a few ways and the most hopeful avenue seems to be creating a separate UserForm with a WebBrowser element that references the animated GIF in question. However, when one UserForm is showing, the code from another will not run until it is closed. Thus, if I call the animation from the UPDATE button, the animation form will appear, but the update itself will not occur until the animation has been manually closed. Which defeats the purpose of a loading animation.

I understand that "DoEvents" is supposed to surrender some of the allotted processor power from the application so other code run, but the documentation surrounding it is rather convoluted to me. I can get it to work for simple operations, but I have not been able to simulate a situation where the command button on one form will show the animation form, run some code and then hide the animation with one click.

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Combining 2 Vba's And Shortening The Processing Time

Jan 24, 2007

I have created 2 seperate VBA's that I would like to combine and improve upon. One removes Duffs, and the other eliminates blank rows. My goal is to do a copy and paste/special, then remove the duffs, and then delete all rows that do not have data in column H.

I have tried several VBA's listed on this sight, but cannot seem to get a VBA that does everything I need it to do, and do it quickly. I have attached an example of my spreadsheet.

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Processing Folder One File At A Time

Mar 1, 2007

I want to open each file in a folder, one at a time, and save each file with a new name (based on cells in the worksheet) to a different folder. This is what I have so far:

Sub aaa()
Dim i As Long, files As String, data As String
Dim fName As String

ChDir _
"C:Files1"

Cells.Select
Range("A1").Activate
Selection.ClearContents
Application. ScreenUpdating = False
i = 0
files = Dir("*.txt")
Do While files <> ""
Open files For Input As 1

This code doesn't open any files unless there is a value already in the cells that fName uses.

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