diff --git a/seekwatcher/rundata.pyx b/seekwatcher/rundata.pyx
index 2ebe122..4bbb4ce 100644
--- a/seekwatcher/rundata.pyx
+++ b/seekwatcher/rundata.pyx
@@ -242,7 +242,7 @@ cdef class rundata:
                 if (this_op == last_op and 
                 this_rw == last_rw and
                 this_dev == last_dev and
-                this_time - last_time < .5 and last_size < 512 and
+                this_time - last_time < .5 and last_size < 128 and
                 this_sector == last_end and this_tag == last_tag):
                     last_end += this_size
                     last_size += this_size
diff --git a/setup-cython.py b/setup-cython.py
new file mode 100644
index 0000000..cd86986
--- /dev/null
+++ b/setup-cython.py
@@ -0,0 +1,21 @@
+# this setup.py is used to actuall compile the
+# code into C files with cython
+#
+from distutils.core import setup, Extension
+from Cython.Distutils import build_ext
+import numpy
+#import mpatch.version
+#version=mpatch.version.version,
+setup(name='seekwatcher',
+        version="0.50",
+        cmdclass = {'build_ext': build_ext},
+      ext_modules=[
+          Extension('seekwatcher.rundata',
+          ['seekwatcher/rundata.pyx'],
+          include_dirs = [numpy.get_include(),'.']),
+          Extension('seekwatcher.blkparse',
+          ['seekwatcher/blkparse.pyx'],
+          include_dirs = [numpy.get_include(),'.'])
+          ],
+      scripts=['cmd/seekwatcher'],
+      packages=['seekwatcher'])
diff --git a/setup.py b/setup.py
index 978d793..1b8a3ae 100644
--- a/setup.py
+++ b/setup.py
@@ -1,17 +1,19 @@
+# this setup.py is meant for people that
+# don't have cython installed and just want
+# to make seekwatcher go
+#
 from distutils.core import setup, Extension
-from Cython.Distutils import build_ext
 import numpy
 #import mpatch.version
 #version=mpatch.version.version,
 setup(name='seekwatcher',
         version="0.50",
-        cmdclass = {'build_ext': build_ext},
       ext_modules=[
           Extension('seekwatcher.rundata',
-          ['seekwatcher/rundata.pyx'],
+          ['seekwatcher/rundata.c'],
           include_dirs = [numpy.get_include(),'.']),
           Extension('seekwatcher.blkparse',
-          ['seekwatcher/blkparse.pyx'],
+          ['seekwatcher/blkparse.c'],
           include_dirs = [numpy.get_include(),'.'])
           ],
       scripts=['cmd/seekwatcher'],