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cs440-acg/ext/pcg32/README.md

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+# pcg32
+This is a tiny self-contained C++ implementation of the PCG32 random number
+based on code by Melissa O'Neill available at http://www.pcg-random.org.
+
+I decided to put together my own version because the official small
+implementation lacks a C++ interface and various important features (e.g.
+rewind/difference support, shuffling, floating point sample generation), while
+while the official C++ version is extremely complex and seems to be intended
+for research on PRNGs involving the entire PCG family.
+
+The file ``pcg32_8.h`` contains a vectorized implementation designed by myself
+which runs eight PCG32 PRNGs in parallel. Expect to get a ~3-4x speedup when
+generating single or double precision floats.
+
+Wenzel Jakob
+June 2016