RELEASE_NOTES: add a note about speed improvement

Change-Id: If04ea0198e31e335c5376d710891ea8457ea2c01
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

diff --git a/docs/RELEASE_NOTES b/docs/RELEASE_NOTES
index 6dc9852f6d3c5a76e094ae39a6bd0dbf4299a380..9206ba121c6714882dce1928a16d8dcc238df751 100644 (file)
--- a/docs/RELEASE_NOTES
+++ b/docs/RELEASE_NOTES
@@ -30,6 +30,13 @@ Release 3.2
    reported that decompressing large bz2-compressed sparse files caused
    out-of-memory situation on machines with 2GB RAM. This should be fixed now.
 
+5. Reading and decompressing is now faster because we now use more parallelism:
+   reading the data form the source URL is done in separate thread,
+   decompressing happens in a separate process too. My measurement with Tizen
+   IVI images from 'tizen.org' showed 10% read speed improvement, but this
+   depends a lot on where the bottle-neck is: the USB stick, the network, or
+   the CPU load.
+
 Bug-fix release 3.1
 ~~~~~~~~~~~~~~~~~~~