Doc: update the chart.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170618 91177308-0d34-0410-b5e6-96231b3b80d8
CIB · Dec 20, 2012 · 6d1fc53 · 6d1fc53
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diff --git a/docs/Vectorizers.rst b/docs/Vectorizers.rst
@@ -203,8 +203,8 @@ This section shows the the execution time of Clang on a simple benchmark:
 This benchmarks is a collection of loops from the GCC autovectorization 
 `page <http://gcc.gnu.org/projects/tree-ssa/vectorization.html>`_ by Dorit Nuzman.
 
-The chart below compares GCC-4.7, ICC-13, and Clang-SVN at -O3, running on a Sandybridge.
-The Y-axis shows time in msec. Lower is better.
+The chart below compares GCC-4.7, ICC-13, and Clang-SVN with and without loop vectorization at -O3, tuned for "corei7-avx", running on a Sandybridge iMac.
+The Y-axis shows the time in msec. Lower is better. The last column shows the geomean of all the kernels. 
 
 .. image:: gcc-loops.png
 

diff --git a/docs/gcc-loops.png b/docs/gcc-loops.png