1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
#!/usr/bin/env ruby
require 'trollop'
def usage
STDERR.write "Usage: "
STDERR.write "ruby parallelize.rb -c <dtrain.ini> [-e <epochs=10>] [--randomize/-z] [--reshard/-y] -s <#shards|0> [-p <at once=9999>] -i <input> -r <refs> [--qsub/-q] [--dtrain_binary <path to dtrain binary>] [-l \"l2 select_k 100000\"] [--extra_qsub \"-l virtual_free=24G\"]\n"
exit 1
end
opts = Trollop::options do
opt :config, "dtrain config file", :type => :string
opt :epochs, "number of epochs", :type => :int, :default => 10
opt :lplp_args, "arguments for lplp.rb", :type => :string, :default => "l2 select_k 100000"
opt :randomize, "randomize shards before each epoch", :type => :bool, :short => '-z', :default => false
opt :reshard, "reshard after each epoch", :type => :bool, :short => '-y', :default => false
opt :shards, "number of shards", :type => :int
opt :processes_at_once, "have this number (max) running at the same time", :type => :int, :default => 9999
opt :input, "input", :type => :string
opt :references, "references", :type => :string
opt :qsub, "use qsub", :type => :bool, :default => false
opt :dtrain_binary, "path to dtrain binary", :type => :string
opt :extra_qsub, "extra qsub args", :type => :string, :default => ""
opt :per_shard_decoder_configs, "give special decoder config per shard", :type => :string, :short => '-o'
opt :first_input_weights, "input weights for first iter", :type => :string, :default => '', :short => '-w'
end
usage if not opts[:config]&&opts[:shards]&&opts[:input]&&opts[:references]
dtrain_dir = File.expand_path File.dirname(__FILE__)
if not opts[:dtrain_binary]
dtrain_bin = "#{dtrain_dir}/dtrain"
else
dtrain_bin = opts[:dtrain_binary]
end
ruby = '/usr/bin/ruby'
lplp_rb = "#{dtrain_dir}/lplp.rb"
lplp_args = opts[:lplp_args]
cat = '/bin/cat'
ini = opts[:config]
epochs = opts[:epochs]
rand = opts[:randomize]
reshard = opts[:reshard]
predefined_shards = false
per_shard_decoder_configs = false
if opts[:shards] == 0
predefined_shards = true
num_shards = 0
per_shard_decoder_configs = true if opts[:per_shard_decoder_configs]
else
num_shards = opts[:shards]
end
input = opts[:input]
refs = opts[:references]
use_qsub = opts[:qsub]
shards_at_once = opts[:processes_at_once]
first_input_weights = opts[:first_input_weights]
`mkdir work`
def make_shards(input, refs, num_shards, epoch, rand)
lc = `wc -l #{input}`.split.first.to_i
index = (0..lc-1).to_a
index.reverse!
index.shuffle! if rand
shard_sz = lc / num_shards
leftover = lc % num_shards
in_f = File.new input, 'r'
in_lines = in_f.readlines
refs_f = File.new refs, 'r'
refs_lines = refs_f.readlines
shard_in_files = []
shard_refs_files = []
in_fns = []
refs_fns = []
0.upto(num_shards-1) { |shard|
in_fn = "work/shard.#{shard}.#{epoch}.in"
shard_in = File.new in_fn, 'w+'
in_fns << in_fn
refs_fn = "work/shard.#{shard}.#{epoch}.refs"
shard_refs = File.new refs_fn, 'w+'
refs_fns << refs_fn
0.upto(shard_sz-1) { |i|
j = index.pop
shard_in.write in_lines[j]
shard_refs.write refs_lines[j]
}
shard_in_files << shard_in
shard_refs_files << shard_refs
}
while leftover > 0
j = index.pop
shard_in_files[-1].write in_lines[j]
shard_refs_files[-1].write refs_lines[j]
leftover -= 1
end
(shard_in_files + shard_refs_files).each do |f| f.close end
in_f.close
refs_f.close
return [in_fns, refs_fns]
end
input_files = []
refs_files = []
if predefined_shards
input_files = File.new(input).readlines.map {|i| i.strip }
refs_files = File.new(refs).readlines.map {|i| i.strip }
if per_shard_decoder_configs
decoder_configs = File.new(opts[:per_shard_decoder_configs]).readlines.map {|i| i.strip}
end
num_shards = input_files.size
else
input_files, refs_files = make_shards input, refs, num_shards, 0, rand
end
0.upto(epochs-1) { |epoch|
puts "epoch #{epoch+1}"
pids = []
input_weights = ''
if epoch > 0 then input_weights = "--input_weights work/weights.#{epoch-1}" end
weights_files = []
shard = 0
remaining_shards = num_shards
while remaining_shards > 0
shards_at_once.times {
break if remaining_shards==0
qsub_str_start = qsub_str_end = ''
local_end = ''
if use_qsub
qsub_str_start = "qsub #{opts[:extra_qsub]} -cwd -sync y -b y -j y -o work/out.#{shard}.#{epoch} -N dtrain.#{shard}.#{epoch} \""
qsub_str_end = "\""
local_end = ''
else
local_end = "2>work/out.#{shard}.#{epoch}"
end
if per_shard_decoder_configs
cdec_cfg = "--decoder_config #{decoder_configs[shard]}"
else
cdec_cfg = ""
end
if first_input_weights!='' && epoch == 0
input_weights = "--input_weights #{first_input_weights}"
end
pids << Kernel.fork {
`#{qsub_str_start}#{dtrain_bin} -c #{ini} #{cdec_cfg} #{input_weights}\
--input #{input_files[shard]}\
--refs #{refs_files[shard]}\
--output work/weights.#{shard}.#{epoch}#{qsub_str_end} #{local_end}`
}
weights_files << "work/weights.#{shard}.#{epoch}"
shard += 1
remaining_shards -= 1
}
pids.each { |pid| Process.wait(pid) }
pids.clear
end
`#{cat} work/weights.*.#{epoch} > work/weights_cat`
`#{ruby} #{lplp_rb} #{lplp_args} #{num_shards} < work/weights_cat > work/weights.#{epoch}`
if rand and reshard and epoch+1!=epochs
input_files, refs_files = make_shards input, refs, num_shards, epoch+1, rand
end
}
`rm work/weights_cat`
|
