Added readme.md file

luitjens · luitjens · commit 144ad9c4185d · 2014-03-03T08:16:44.000-08:00
diff --git a/posts/parallel_reduction_with_shfl/readme.md b/posts/parallel_reduction_with_shfl/readme.md
@@ -0,0 +1,5 @@
+To build you will need to download CUB.
+
+To do this run the following command from the code-samples directory:
+
+%> git submodule update --init --recursive
