Remove numpy headers and add gcc performance options to lpdalgs

setup.py

@@ -21,8 +21,8 @@ ext_modules = [
     Extension(
         'cal_tools.lpdalgs',
         ['src/cal_tools/lpdalgs.pyx'],
-        include_dirs=[numpy.get_include()],
-        extra_compile_args=['-O3', '-fopenmp', '-march=native'],
+        extra_compile_args=['-O3', '-fopenmp', '-march=native',
+                            '-ftree-vectorize', '-frename-registers'],
         extra_link_args=['-fopenmp'],
     )
 ]