Lets compiler unroll loops for now

cslarsen · Dec 7, 2017 · acba006 · acba006
1 parent 6d3b30c
commit acba006
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -5,6 +5,7 @@ CXXFLAGS = -W -Wall -Wextra -Wsign-compare \
 					 -msse \
 					 -O2 \
 					 -march=native \
+					 -funroll-loops \
 					 -ftree-vectorize \
 					 -fomit-frame-pointer
 

diff --git a/mersenne-twister.cpp b/mersenne-twister.cpp
@@ -20,7 +20,7 @@
 
 // Better on older Intel Core i7, but worse on newer Intel Xeon CPUs (undefine
 // it on those).
-#define MT_UNROLL_MORE
+//#define MT_UNROLL_MORE
 
 /*
  * We have an array of 624 32-bit values, and there are 31 unused bits, so we