Mercurial > pylearn

annotate doc/v2_planning/plugin_greenlet.py @ 1371:98d4232df1d8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
comment on OD idea
author Razvan Pascanu <r.pascanu@gmail.com>
date Mon, 15 Nov 2010 16:28:02 -0500
parents acfd5e747a75
children
rev   line source
1200
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
1 """plugin_greenlet - draft of library architecture using greenlets
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
2
1200
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
3 HISTORICAL - NOT ACTUALLY A PROPOSAL
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
4 ====================================
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
5
1200
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
6 This was the original approach for what I renamed to plugin_JB, until I realized that I could
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
7 get the end result without using greenlets at all.
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
8
1200
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
9 Still, greenlets seem like they could be neat and making this program stretched my mind so I
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
10 keep it. There's something wrong when you run with the kfold validation, but until that point
acfd5e747a75 v2planning - a few changes to plugin proposals
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1197
diff changeset
11 I think it works.
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
12
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
13 """
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
14
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
15 __license__ = None
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
16 __copyright__ = None
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
17
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
18 import copy, sys
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
19
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
20 import numpy
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
21 from greenlet import greenlet
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
22
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
23 def vm_unpack(incoming):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
24 # can't reliably distinguish between a kwargs-only switch and a switch with one dict
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
25 # argument
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
26 if incoming is None:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
27 rval = (), {}
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
28 if isinstance(incoming, dict):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
29 rval = (), incoming
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
30 elif isinstance(incoming, tuple):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
31 if (len(incoming)==2
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
32 and isinstance(incoming[0], tuple)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
33 and isinstance(incoming[1], dict)):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
34 rval = incoming
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
35 else:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
36 rval = incoming, {}
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
37 else:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
38 rval = (incoming,), {}
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
39 #print 'unpack', incoming, rval
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
40 return rval[0][0], rval[0][1], rval[0][2:], rval[1]
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
41
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
42 def unpack_from_vm(incoming):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
43 assert isinstance(incoming, tuple)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
44 assert len(incoming)==4
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
45 return incoming
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
46
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
47 def vm_run(prog, *args, **kwargs):
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
48 #TODO: make this into a class with different ways to start the loop
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
49 # for example, if the (gr, dest, a, kw) tuple is returned,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
50 # then a program could be run for N steps and then paused,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
51 # saved, and restarted.
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
52 n_steps = kwargs.pop('n_steps', float('inf'))
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
53 def vm_loop(gr, dest, a, kw):
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
54 loop_iter = 0
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
55 while loop_iter < n_steps:
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
56 if gr == 'return':
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
57 break
1196
e9bb3340a870 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1195
diff changeset
58 #print 'vm_loop gr=',gr,'args=',a, 'kwargs=', kw
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
59 gr, dest, a, kw = gr.switch(vm, gr, dest, a, kw)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
60 #print 'gmain incoming', incoming
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
61 loop_iter += 1
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
62 # permit restarting
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
63 return gr, dest, a, kw
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
64 vm = greenlet(vm_loop)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
65 return vm.switch(prog, 'return', args, kwargs)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
66
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
67 ####################################################
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
68 # CONTROL-FLOW CONSTRUCTS
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
69
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
70 def SEQ(glets):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
71 return REPEAT(1, glets)
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
72
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
73 def REPEAT(N, glets):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
74 def repeat_task(vm, gself, dest, args, kwargs):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
75 while True:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
76 for i in xrange(N):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
77 for glet in glets:
1196
e9bb3340a870 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1195
diff changeset
78 #print 'repeat_task_i dest=%(dest)s args=%(args)s, kw=%(kwargs)s'%locals()
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
79 # jump to task `glet`
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
80 # with instructions to report results back to this loop `g`
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
81 _vm, _gself, _dest, args, kwargs = vm.switch(glet, gself, args, kwargs)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
82 assert _gself is gself
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
83 assert _dest is None # instructions can't tell us where to jump
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
84 vm, gself, dest, args, kwargs = vm.switch(dest, None, args, kwargs)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
85 return greenlet(repeat_task)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
86
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
87 def LOOP(seq):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
88 #TODO: implement a true infinite loop
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
89 try:
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
90 iter(seq)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
91 return REPEAT(sys.maxint, seq)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
92 except TypeError:
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
93 return REPEAT(sys.maxint, [seq])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
94
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
95 def CHOOSE(which, options):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
96 raise NotImplementedError()
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
97
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
98 def WEAVE(threads):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
99 def weave_task(vm, gself, dest, args, kwargs):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
100 # weave works by telling its threads that *it* is the vm
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
101 # and reporting back to the real vm indirectly
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
102 while True: # execution of weave is an iteration through this loop
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
103 # initially broadcast the args and kwargs to all threads
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
104 all_threads_live = True
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
105 thread_info = [(t, 'return', args, kwargs) for t in threads]
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
106 #print 'weave start -------------'
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
107 while all_threads_live:
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
108 #print 'weave iter'
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
109 for i in xrange(len(threads)):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
110 t_next, t_dest, t_args, t_kwargs = thread_info[i]
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
111 #tell the vm we're up to something, but ask it to come right back
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
112 #print 'weave 1'
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
113 _ignore = vm.switch(gself, None, (), {})
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
114
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
115 # pretend we're the vm_loop and tell the
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
116 # thread to advance by one and report back to us
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
117 #print 'weave 2', thread_info[i]
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
118 thread_info[i] = t_next.switch(gself, t_next, t_dest, t_args, t_kwargs)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
119 #print 'weave 3', thread_info[i]
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
120 if thread_info[i][0] is 'return':
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
121 #print 'thread has finished', i
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
122 all_threads_live = False
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
123
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
124 # some thread has died so we return control to parent
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
125 #####print 'weave returning', dest, args, kwargs
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
126 vm, gself, dest, args, kwargs = vm.switch(dest, None, args, kwargs)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
127 #####print 'weave continuing', dest, args, kwargs
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
128 return greenlet(weave_task)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
129
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
130 def BUFFER(N, glet):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
131 def BUFFER_loop(vm, gself, dest, args, kwargs):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
132 while True: #body runs once per execution
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
133 buf = []
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
134 for i in xrange(N):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
135 # jump to task `glet`
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
136 # with instructions to report results back to this loop `g`
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
137 _vm, _gself, _dest, _args, _kwargs = vm.switch(glet, gself, args, kwargs)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
138 buf.append(_args[0])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
139 assert len(_args)==1
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
140 assert _kwargs=={}
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
141 assert _gself is gself
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
142 assert _dest is None # instructions can't tell us where to jump
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
143 buf = numpy.asarray(buf)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
144 vm, gself, dest, args, kwargs = vm.switch(dest, None, (buf,), {})
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
145 return greenlet(BUFFER_loop)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
146
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
147 def CALL(fn):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
148 """
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
149 Create a greenlet whose first argument is the return-jump location.
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
150
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
151 fn must accept as the first positional argument this greenlet itself, which can be used as
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
152 the return-jump location for internal greenlet switches (ideally using gswitch).
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
153 """
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
154 def CALL_loop(vm, gself, dest, args, kwargs):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
155 while True:
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
156 #print 'CALL calling', fn.__name__, args, kwargs
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
157 t = fn(*args, **kwargs)
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
158 #TODO consider a protocol for returning args, kwargs
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
159 if t is None:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
160 _vm,_gself,dest, args, kwargs = vm.switch(dest, None, (), {})
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
161 else:
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
162 _vm,_gself,dest, args, kwargs = vm.switch(dest, None, (t,), {})
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
163
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
164 assert gself is _gself
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
165 return greenlet(CALL_loop)
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
166
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
167 ####################################################
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
168 # Components involved in the learning process
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
169
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
170 class Dataset(object):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
171 def __init__(self, data):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
172 self.pos = 0
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
173 self.data = data
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
174 def next(self):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
175 rval = self.data[self.pos]
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
176 self.pos += 1
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
177 if self.pos == len(self.data):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
178 self.pos = 0
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
179 return rval
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
180 def seek(self, pos):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
181 self.pos = pos
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
182
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
183 class KFold(object):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
184 def __init__(self, data, K):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
185 self.data = data
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
186 self.k = -1
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
187 self.scores = [None]*K
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
188 self.K = K
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
189 def next_fold(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
190 self.k += 1
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
191 self.data.seek(0) # restart the stream
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
192 def next(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
193 #TODO: skip the examples that are ommitted in this split
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
194 return self.data.next()
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
195 def init_test(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
196 pass
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
197 def next_test(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
198 return self.data.next()
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
199 def test_size(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
200 return 5
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
201 def store_scores(self, scores):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
202 self.scores[self.k] = scores
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
203
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
204 class PCA_Analysis(object):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
205 def __init__(self):
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
206 self.clear()
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
207
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
208 def clear(self):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
209 self.mean = 0
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
210 self.eigvecs=0
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
211 self.eigvals=0
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
212 def analyze(self, X):
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
213 self.mean = X.mean(axis=0)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
214 self.eigvecs=1
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
215 self.eigvals=1
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
216 def filt(self, X):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
217 return (X - self.mean) * self.eigvecs #TODO: divide by root eigvals?
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
218 def pseudo_inverse(self, Y):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
219 return Y
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
220
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
221 class Layer(object):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
222 def __init__(self, w):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
223 self.w = w
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
224 def filt(self, x):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
225 return self.w*x
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
226 def clear(self):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
227 self.w =0
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
228
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
229 def print_obj(vm, gself, obj):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
230 print obj
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
231 def no_op(*args, **kwargs):
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
232 pass
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
233
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
234 class cd1_update(object):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
235 def __init__(self, layer, lr):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
236 self.layer = layer
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
237 self.lr = lr
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
238
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
239 def __call__(self, X):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
240 # update self.layer from observation X
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
241 print 'cd1', X
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
242 print X.mean()
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
243 self.layer.w += X.mean() * self.lr #TODO: not exactly correct math
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
244
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
245 def main():
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
246 # create components
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
247 dataset = Dataset(numpy.random.RandomState(123).randn(13,1))
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
248 pca = PCA_Analysis()
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
249 layer1 = Layer(w=4)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
250 layer2 = Layer(w=3)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
251 kf = KFold(dataset, K=10)
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
252
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
253 # create algorithm
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
254
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
255 train_pca = SEQ([
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
256 BUFFER(1000, CALL(kf.next)),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
257 CALL(pca.analyze)])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
258
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
259 train_layer1 = REPEAT(10, [
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
260 BUFFER(10, CALL(kf.next)),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
261 CALL(pca.filt),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
262 CALL(cd1_update(layer1, lr=.01))])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
263
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
264 train_layer2 = REPEAT(10, [
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
265 BUFFER(10, CALL(kf.next)),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
266 CALL(pca.filt),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
267 CALL(layer1.filt),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
268 CALL(cd1_update(layer2, lr=.01))])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
269
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
270 def print_layer_w(*a,**kw):
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
271 print layer1.w
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
272
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
273 train_prog = SEQ([
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
274 train_pca,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
275 WEAVE([
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
276 train_layer1,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
277 LOOP(CALL(print_layer_w))]),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
278 train_layer2,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
279 ])
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
280
1197
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
281 kfold_prog = REPEAT(10, [
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
282 CALL(kf.next_fold),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
283 CALL(pca.clear),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
284 CALL(layer1.clear),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
285 CALL(layer2.clear),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
286 train_prog,
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
287 CALL(kf.init_test),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
288 BUFFER(kf.test_size(),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
289 SEQ([
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
290 CALL(kf.next_test),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
291 CALL(pca.filt), # may want to allow this SEQ to be
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
292 CALL(layer1.filt), # optimized into a shorter one that
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
293 CALL(layer2.filt),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
294 CALL(numpy.mean)])), # chains together theano graphs
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
295 CALL(kf.store_scores),
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
296 ])
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
297
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
298 vm_run(kfold_prog, n_steps=500)
a60b3472c4ba more progress on greenlets
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1196
diff changeset
299 print kf.scores
1195
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
300
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
301
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
302 if __name__ == '__main__':
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
303 sys.exit(main())
d3ee0d2d03e6 plugin_greenlet draft0
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
304