news: document improvement in parallel-tests performance

* NEWS: Document the improved performances of the parallel-tests targets
'check' and 'recheck'. See recent commits:

  - v1.12-20-gf5733aa of 2012-04-26,
    "parallel-tests: optimize 'recheck' target for speed"

  - v1.12-21-g5eeb366 of 2012-02-26,
    "parallel-tests: optimize global log creation"

  - v1.12-22-g4c2dd6e of 2012-04-30,
    "parallel-tests: save few forks when possible"

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/NEWS b/NEWS
index 6eeaf5d..6db2592 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -79,6 +79,9 @@ Bugs fixed in 1.12.1:
     a non-ANSI one, i.e., if the TERM environment variable has a value of
     "dumb".
 
+  - Several inefficiencies and poor performances in the implementation
+    of the parallel-tests 'check' and 'recheck' targets have been fixed.
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 New in 1.12: