[Commit-gnuradio] r8911 - gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched

[eb]

Author: eb
Date: 2008-07-17 00:28:53 -0600 (Thu, 17 Jul 2008)
New Revision: 8911

Added:
   
gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched/synthetic.py
Log:
synthetic benchmark for mp-scheduler

Added: 
gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched/synthetic.py
===================================================================
--- 
gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched/synthetic.py
                            (rev 0)
+++ 
gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched/synthetic.py
    2008-07-17 06:28:53 UTC (rev 8911)
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+#
+# Copyright 2008 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+from gnuradio import gr, gru, eng_notation, blks2
+from gnuradio.eng_option import eng_option
+from optparse import OptionParser
+import os
+
+
+class pipeline(gr.hier_block2):
+    def __init__(self, nstages, ntaps=256):
+        """
+        Create a pipeline of nstages of gr.fir_filter_fff's connected in serial
+        terminating in a gr.null_sink.
+        """
+        gr.hier_block2.__init__(self, "pipeline",
+                                gr.io_signature(1, 1, gr.sizeof_float),
+                                gr.io_signature(0, 0, 0))
+        taps = ntaps*[1.0/ntaps]
+        upstream = self
+        for i in range(nstages):
+            op = gr.fir_filter_fff(1, taps)
+            self.connect(upstream, op)
+            upstream = op
+
+        self.connect(upstream, gr.null_sink(gr.sizeof_float))
+        
+
+class top(gr.top_block):
+    def __init__(self):
+        gr.top_block.__init__(self)
+
+        default_nsamples = 10e6
+        parser=OptionParser(option_class=eng_option)
+        parser.add_option("-p", "--npipelines", type="intx", default=1,
+                          metavar="NPIPES", help="the number of pipelines to 
create (default=%default)")
+        parser.add_option("-s", "--nstages", type="intx", default=1,
+                          metavar="NSTAGES", help="the number of stages in 
each pipeline (default=%default)")
+        parser.add_option("-N", "--nsamples", type="eng_float", 
default=default_nsamples,
+                          help=("the number of samples to run through the 
graph (default=%s)" %
+                                (eng_notation.num_to_str(default_nsamples))))
+        parser.add_option("-m", "--machine-readable", action="store_true", 
default=False,
+                          help="enable machine readable output")
+
+        (options, args) = parser.parse_args()
+        if len(args) != 0:
+            parser.print_help()
+            raise SystemExit, 1
+
+        self.npipes = options.npipelines
+        self.nstages = options.nstages
+        self.nsamples = options.nsamples
+        self.machine_readable = options.machine_readable
+
+        ntaps = 256
+
+        # Something vaguely like floating point ops
+        self.flop = 2 * ntaps * options.npipelines * options.nstages * 
options.nsamples
+
+        src = gr.null_source(gr.sizeof_float)
+        head = gr.head(gr.sizeof_float, int(options.nsamples))
+        self.connect(src, head)
+
+        for n in range(options.npipelines):
+            self.connect(head, pipeline(options.nstages, ntaps))
+
+
+def time_it(tb):
+    start = os.times()
+    tb.run()
+    stop = os.times()
+    delta = map((lambda a, b: a-b), stop, start)
+    user, sys, childrens_user, childrens_sys, real = delta
+    total_user = user + childrens_user
+    total_sys  = sys + childrens_sys
+    if tb.machine_readable:
+        print "%3d %3d %.3e %7.3f %7.3f %7.3f %7.3f %.6e %.3e" % (
+            tb.npipes, tb.nstages, tb.nsamples, real, total_user, total_sys, 
(total_user+total_sys)/real, tb.flop, tb.flop/real)
+    else:
+        print "npipes           %7d"   % (tb.npipes,)
+        print "nstages          %7d"   % (tb.nstages,)
+        print "nsamples         %s"    % 
(eng_notation.num_to_str(tb.nsamples),)
+        print "real             %7.3f" % (real,)
+        print "user             %7.3f" % (total_user,)
+        print "sys              %7.3f" % (total_sys,)
+        print "(user+sys)/real  %7.3f" % ((total_user + total_sys)/real,)
+        print "pseudo_flop      %s"    % (eng_notation.num_to_str(tb.flop),)
+        print "pseudo_flop/real %s"    % 
(eng_notation.num_to_str(tb.flop/real),)
+
+
+if __name__ == "__main__":
+    tb = top()
+    time_it(tb)
+    
+    
+


Property changes on: 
gnuradio/branches/developers/eb/sched-wip/gnuradio-examples/python/mp-sched/synthetic.py
___________________________________________________________________
Name: svn:executable
   + *
Name: svn:eol-style
   + native