From 49b2f9bd66d99d728cc1e15d671918b8bf69ffbf Mon Sep 17 00:00:00 2001
From: Thanassis Tsiodras <ttsiodras@gmail.com>
Date: Sat, 10 Dec 2022 12:56:43 +0100
Subject: [PATCH] '-Ofast' and '-march=native' cause 2x-speedup in machines
 with SSE (but no AVX) instructions. Should help other platforms, too.

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 06fa3f2..f2bf51f 100644
--- a/Makefile
+++ b/Makefile
@@ -27,8 +27,8 @@ endif
 # Compile flags
 #
 
-CFLAGS   = -I.              -O3 -std=c11   -fPIC
-CXXFLAGS = -I. -I./examples -O3 -std=c++11 -fPIC
+CFLAGS   = -I.              -O3 -std=c11   -fPIC -Ofast -march=native
+CXXFLAGS = -I. -I./examples -O3 -std=c++11 -fPIC -Ofast -march=native
 LDFLAGS  =
 
 # OS specific