Symptoms
Assume that you are using a Microsoft SQL Server 2016 Analysis Services (SSAS 2016) Tabular model with compatibility mode 1200 that contains a lot of measures. In this situation, you may find that the "sequence point algorithm" step of a transaction may take a long time to complete.
Resolution
A performance improvement for the "sequence point algorithm" step was introduced in the following cumulative update for SQL Server:
Cumulative Update 2 for SQL Server 2016 SP1
About cumulative updates for SQL Server
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Latest cumulative update for SQL Server 2016
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.