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diff --git a/lib/hipe/doc/src/notes.xml b/lib/hipe/doc/src/notes.xml index 2c78558190..7b34a4f427 100644 --- a/lib/hipe/doc/src/notes.xml +++ b/lib/hipe/doc/src/notes.xml @@ -30,6 +30,68 @@ </header> <p>This document describes the changes made to HiPE.</p> +<section><title>Hipe 3.7.6</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p><c>receive</c> statements that can only read out a + newly created reference are now specially optimized so + that it will execute in constant time regardless of the + number of messages in the receive queue for the process. + That optimization will benefit calls to + <c>gen_server:call()</c>. (See <c>gen:do_call/4</c> for + an example of a receive statement that will be + optimized.)</p> + <p> + Own Id: OTP-8623</p> + </item> + <item> + <p> + Various changes to dialyzer-related files for R14.</p> + <p> + - Dialyzer properly supports the new attribute + -export_type and checks that remote types only refer to + exported types. A warning is produced if some + files/applications refer to types defined in modules + which are neither in the PLT nor in the analyzed + applications.</p> + <p> + - Support for detecting data races involving whereis/1 + and unregister/1.</p> + <p> + - More precise identification of the reason(s) why a + record construction violates the types declared for its + fields.</p> + <p> + - Fixed bug in the handling of the 'or' guard.</p> + <p> + - Better handling of the erlang:element/2 BIF.</p> + <p> + - Complete handling of Erlang BIFs.</p> + <p> + Own Id: OTP-8699</p> + </item> + <item> + <p><c>eprof</c> has been reimplemented with support in + the Erlang virtual machine and is now both faster (i.e. + slows down the code being measured less) and scales much + better. In measurements we saw speed-ups compared to the + old eprof ranging from 6 times (for sequential code that + only uses one scheduler/core) up to 84 times (for + parallel code that uses 8 cores).</p> + <p>Note: The API for the <c>eprof</c> has been cleaned up + and extended. See the documentation.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-8706</p> + </item> + </list> + </section> + +</section> + <section><title>Hipe 3.7.5</title> <section><title>Improvements and New Features</title> |