Changed documentation to 2.9.0 beta and May 2018

Author: sorenhein

ChangeLog

@@ -1,14 +1,14 @@
-Release Notes DDS 2.9.0
------------------------
+Release Notes DDS 2.9.0 beta
+----------------------------
 Included code for a number of multi-threading systems:
 - Windows API (was already there)
 - OpenMP (was already there)
 - GCD (new, intended for Mac, not really tested)
 - Boost (new, works on many systems, but you may have to install it)
 - STL (new, should work on most systems with a modern compiler)
 - TBB (new, not so broadly available, but portable in principle)
-- STLIMPL (new, don't use)
-- PPLIMPL (new, don't use)
+- STLIMPL (new, experimental)
+- PPLIMPL (new, experimental)
 
 Tested combinations include:
 - Visual C++ with Windows API, OpenMP, Boost, STL
@@ -19,7 +19,7 @@ Tested combinations include:
 - MacOS GNU g++ with OpenMP, Boost, STL
 
 The number of threads is now unlimited in principle, although the
-DLL will not let you go beyond 1.5 * the number of processor cores.
+DLL will not let you go beyond the number of processor cores.
 
 Enabled the transposition-table code for both the large and the small
 versions in the same DLL.  Therefore there is only a single DLL

INSTALL

@@ -156,8 +156,13 @@ well use STL if you have it, as this is probably the most portable.
 If you don't have a C++17 compiler, you will not get STLIMPL or
 PPLIMPL.
 
-The *IMPL versions let the system handle threads autonomously,
-whereas the others are handled by DDS internally.
+The *IMPL versions let the system handle threads autonomously
+(up to the number of threads set by the user), whereas the others 
+are handled by DDS internally.  The *IMPL version are similar in
+speed, except if there is some near-duplication in the input hands
+(say, instances of the same distribution played in the same 
+denomination from different side).  The non-IMPL version handle
+this more efficiently.
 
 
 Testing

README.md

@@ -6,7 +6,7 @@ DDS offers a wide range of functions, including par-score calculations.
 
 Please refer to the [home page](http://privat.bahnhof.se/wb758135) for details.
 
-The current version is DDS 2.9.0 released in April 2018 and licensed under the Apache 2.0 license in the LICENSE FILE.
+The current version is DDS 2.9.0 beta, released in May 2018 and licensed under the Apache 2.0 license in the LICENSE FILE.
 
 Release notes are in the ChangeLog file.
 
@@ -88,7 +88,7 @@ The DDS library interface is documented. You find the docs, including a Markdown
 
 Bugs
 ====
-Version 2.9.0 has no known bugs.
+Version 2.9.0 beta has no known bugs.
 
 Please report bugs to [email protected] and [email protected].