1.0.20.6: smaller allocation regions & reduced pinning

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index df60f64..449af42 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,7 @@
 ;;;; -*- coding: utf-8; -*-
+  * reduced conservativism on GENCGC platforms: on average 45% less
+    pages pinned (measured from SBCL self build).
+
 changes in sbcl-1.0.20 relative to 1.0.19:
   * minor incompatible change: OPTIMIZE qualities
     SB-C::STACK-ALLOCATE-DYNAMIC-EXTENT, SB-C::STACK-ALLOCATE-VECTOR,
@@ -21,6 +24,11 @@ changes in sbcl-1.0.20 relative to 1.0.19:
     (AREF (THE STRING X) Y) as being CHARACTER.
   * optimization: CLRHASH on empty hash-tables no longer does pointless
     work. (thanks to Alec Berryman)
+  * optimization: REPLACE deftransforms don't punt when :START1 or
+    :START2 is given
+  * bug fix: compiling DESTRUCTURING-BIND on constant list arguments
+    no longer emits a code deletion note. (reported by Andrew
+    Gasparovic)
   * bug fix: bogus odd-number-of-keywords STYLE-WARNINGs from calls to
     functions with an odd number of &OPTIONAL arguments, a &REST
     argument, and one or more &KEY arguments at the call site.