Unlike the trend in most software, SAP just proved that their upcoming 8.8 release is significantly faster than the prior release, 2007a.

Test were done on transaction entry, both standalone and chained.  Reporting performance was also tested.  In addition, changes to back end processing occurred so that much less data is ‘locked’ and for a shorter period of time during posting so far fewer ‘record in use’ errors will occur. 

This document outlines the result which range from 20% to 100% performance improvements:

Sap Speedup