Mercurial > pylearn

annotate doc/v2_planning/architecture.txt @ 1117:c1943feada10

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Proposal for theano dataset wrapper. The details still have to be worked out.
author Arnaud Bergeron <abergeron@gmail.com>
date Tue, 14 Sep 2010 15:22:48 -0400
parents 967975f9c574
children 5387666d49b4
rev   line source
1098
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
1 ====================
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
2 Pylearn Architecture
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
3 ====================
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
4
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
5
1115
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
6 SE + VM Approach
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
7 =================
1098
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
8
1115
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
9 One avenue for the basic design of the library is to follow the Symbolic
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
10 Expression (SE) structure + virtual machine (VM) pattern that worked for Theano.
1098
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
11
1115
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
12 The main things for the library to provide would be:
1098
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
13
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
14 - a few VMs, some of which can run programs in parallel across processors,
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
15 hosts, and networks [R6,R8];
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
16
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
17 - MLA components as either individual Expressions (similar to Ops) or as
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
18 subgraphs of SEs [R5,R7,R10,R11]
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
19
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
20 - machine learning algorithms including their training and testing in the form
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
21 of python functions that build SE graphs.[R1,R8].
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
22
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
23 This design addresses R2 (modularity) because swapping components is literally implemented by
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
24 swapping subgraphs.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
25
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
26 The design addresses R9 (algorithmic efficiency) because we can write
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
27 Theano-style graph transformations to recognize special cases of component
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
28 combinations.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
29
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
30 The design addresses R3 if we make the additional decision that the VMs (at
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
31 least sometimes) cache the return value of program function calls. This cache
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
32 serves as a database of experimental results, indexed by the functions that
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
33 originally computed them. I think this is a very natural scheme for organizing
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
34 experiment results, and ensuring experiment reproducibility [R1].
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
35 At the same time, this is a clean and simple API behind which experiments can be
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
36 saved using a number of database technologies.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
37
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
38 APIs vs. lambda
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
39 ----------------
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
40
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
41 Modularity in general is achieved when pieces can be substituted one for the
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
42 other.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
43
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
44 In an object-oriented design, modularity is achieved by agreeing on interface
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
45 APIs, but in a functional design there is another possibility: the lambda.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
46
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
47 In an SE these pieces are expression [applications] and the subgraphs they form.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
48 A subgraph is characterized syntactically within the program by its arguments
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
49 and its return values. A lambda function allows the User to create new
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
50 Expression types from arbitrary subgraphs with very few keystrokes. When a
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
51 lambda is available and easy to use, there is much less pressure on the
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
52 expression library to follow calling and return conventions strictly.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
53
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
54 Of course, the closer are two subgraphs in terms of their inputs, outputs, and
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
55 semantics, the easier it is to substitute one for the other. As library
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
56 designers, we should still aim for compatibility of similar algorithms. It's
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
57 just not essential to choose an API that will guarantee a match, or indeed to
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
58 choose any explicit API at all.
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
59
1107
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
60 Encapsulation vs. linearity
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
61 ---------------------------
1098
4eda3f52ebef v2planning - revs to requirements, added architecture
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
diff changeset
62
1107
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
63 A while ago, the Apstat crew went to fight "encapsulation" to propose instead
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
64 a more "linearized" approach to experiment design. I must admit I didn't
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
65 really understand the deep motivations behind this, and after practicing both
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
66 styles (encapsulation for PLearn / Theano, linearity @ ARL / Ubisoft), I still
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
67 don't. I do find, however, some not-so-deep-but-still-significant advantages
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
68 to the linear version, which hopefully can be made clear (along with a
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
69 clarification of what the h*** am I talking about) in the following example:
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
70
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
71 * Linear version:
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
72 my_experiment = pipeline([
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
73 data,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
74 filter_samples,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
75 PCA,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
76 k_fold_split,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
77 neural_net,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
78 evaluation,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
79 ])
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
80
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
81 * Encapsulated version:
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
82 my_experiment = evaluation(
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
83 data=PCA(filter_samples(data)),
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
84 split=k_fold_split,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
85 model=neural_net)
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
86
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
87 What I like in the linear version is it is much more easily human-readable
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
88 (once you know what it means): you just follow the flow of the experiment by
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
89 reading through a single list.
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
90 On the other hand, the encapsulated version requires some deeper analysis to
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
91 understand what is going on and in which order.
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
92 Also, commenting out parts of the processing is simpler in the first case (it
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
93 takes a single # in front of an element).
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
94 However, linearity tends to break when the experiment is actually not linear,
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
95 i.e. the graph of object dependencies is more complex (*).
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
96
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
97 I'm just bringing this up because it may be nice to be able to provide the
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
98 user with the most intuitive way to design experiments. I actually don't think
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
99 those approaches are mutually exclusive, and it could be possible for the
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
100 underlying system to use the more flexible / powerful encapsulated
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
101 representation, while having the option to write simple scripts in a form that
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
102 is easier to understand and manipulate.
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
103
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
104 It could also be worth discussing this issue with Xavier / Christian /
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
105 Nicolas.
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
106
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
107 (*) Note that I cheated a bit in my example above: the graph from the
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
108 encapsulated version is not a simple chain, so it is not obvious how to
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
109 convert it into the pipeline given in the linear version. It's still possible
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
110 though, but this is probably not the place to get into the details.
e5306f5626d4 architecture: Yet another rant, this time about encapsulation vs. linearization
Olivier Delalleau <delallea@iro>
parents: 1098
diff changeset
111
1115
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
112
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
113
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
114 Jobman Compatibility Approach
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
115 =============================
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
116
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
117 One basic approach for the library is to provide a set of components that are
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
118 compatible with remote execution. The emphasis could be not so much on
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
119 standardizing the roles and APIs of components, so much as ensuring that they
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
120 can be glued together and supports parallel execution on one or more CPUs or
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
121 clusters.
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
122
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
123 In this approach we would provide a proxy for asynchronous execution
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
124 (e.g. "pylearn.call(fn, args, kwargs, backend=default_backend)"), which would
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
125 come with constraints on what fn, args, and kwargs can be. Specifically, they
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
126 must be picklable, and there are benefits (e.g. automatic function call caching)
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
127 associated with their being hashable as well.
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
128
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
129
967975f9c574 added Jobman compatibility to architecture.txt
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 1107
diff changeset
130