How to reset memory to measure timing accurately? SQL Server 2005 Administration Best Practices

How to reset memory to measure timing accurately?

Execute the following script in Query Editor to flush memory clean in preparation for a timing measurement:

USE AdventureWorks
GO

DBCC DROPCLEANBUFFERS -- Clears the data cache
DBCC FREEPROCCACHE -- Clears the procedure cache

declare @StartTime datetime
set @StartTime = getdate()

PUT SCRIPT HERE ******************************

print 'Duration in msec = '
+ convert(varchar, datediff(ms, @StartTime, getdate()))

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