Add ScatterAlloc paper

This paper was celebrated at PWLMTL#2 by Peter Zion, who also used it as
a springboard to discuss GPU architecture in general, as well as his
implementation based on the paper in the Fabric Engine
framework (fabricengine.com).

memory_management/README.md

@@ -5,3 +5,8 @@
 * [Message Analysis Guided Allocation and Low Pause Incremental GC in a Concurrent Language](http://user.it.uu.se/~kostis/Papers/ismm04.pdf)
 
 * [And Then There Were None: A Stall-Free Real-Time Garbage Collector for Reconfigurable Hardware](http://researcher.watson.ibm.com/researcher/files/us-bacon/Bacon12AndThen.pdf)
+
+* :scroll:
+  [ScatterAlloc: Massively Parallel Dynamic Memory Allocation for the GPU](http://www.icg.tugraz.at/Members/steinber/scatteralloc-1)
+  - Presents a useful algorithm as well as considerations relevant to
+    designing algorithms for GPUs.