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Looking at his benchmark and its VBA code you can see that has Screen Updating ON and repeatedly calculates in Automatic mode.Each calculation triggers some RANDBETWEEN functions with a number of dependent cells.

Gurs has an interesting benchmark he has been running on various systems and Excel versions over the years.

His results seem to show a massive performance decline in later Excel versions.

For example, in cash flow and interest calculations, try to calculate the cash flow before interest, then calculate the interest, and then calculate the cash flow including the interest.

Excel calculates circular references sheet by sheet without considering dependencies.

I ran Gurs benchmark on my desktop PC with Excel 2003 to Excel 2013., with a constant screen area visible (rows 8 and columns A: BF).

Since I cannot install Excel 2016 on the same PC as previous versions without causing unwanted problems I used a VM on my desktop and also ran the benchmark on my Surface Pro 3.

That is why I gathered all VBA performance guidelines into this single post which contains all the known ways of Improving VBA Performance, organized by impact on VBA Performance.

Set the Calculation mode to xl Calculation Manual so that no calculations are carried out within the Excel Workbook until the Calculation mode is changed back to xl Calculation Automatic or by running Application.

Calculation = xl Calculation Automatic End Sub Sub Loop Example() Dim Cell As Range Call YK_Start Columns("B: F").

I am using the simplest one: "When the Screenupdating is True, and Application.visible is False then the flicker happens but you cannot see it as the application is hidden."---I feel as the application is not visible at all, CPU wont allocate resources for the updating at all so we might not even need screenupdating at all.

I have a vba code that copies certain cells from another excel sheet to active excel sheet. Clear Contents For Each Cell In Range("A1: A100000") Cell.