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authorPatrick Simianer <p@simianer.de>2014-07-22 11:24:34 +0200
committerPatrick Simianer <p@simianer.de>2014-07-22 11:24:34 +0200
commit8657badf2f427d4dc18fcefc3dd0b01cb00dc1fb (patch)
treee754a39b8bee58c00172ca760319dca484b0e170
parentebabfb60fa64c611be406d3df16e81349ae58b44 (diff)
fix parallelize.rb
-rwxr-xr-xtraining/dtrain/parallelize.rb16
1 files changed, 10 insertions, 6 deletions
diff --git a/training/dtrain/parallelize.rb b/training/dtrain/parallelize.rb
index 60ca9422..82600009 100755
--- a/training/dtrain/parallelize.rb
+++ b/training/dtrain/parallelize.rb
@@ -26,7 +26,6 @@ opts = Trollop::options do
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"
@@ -56,6 +55,7 @@ refs = opts[:references]
use_qsub = opts[:qsub]
shards_at_once = opts[:processes_at_once]
first_input_weights = opts[:first_input_weights]
+opts[:extra_qsub] = "-l #{opts[:extra_qsub]}" if opts[:extra_qsub]!=""
`mkdir work`
@@ -64,8 +64,9 @@ def make_shards(input, refs, num_shards, epoch, rand)
index = (0..lc-1).to_a
index.reverse!
index.shuffle! if rand
- shard_sz = lc / num_shards
- leftover = lc % num_shards
+ shard_sz = (lc / num_shards.to_f).round 0
+ leftover = lc - (num_shards*shard_sz)
+ leftover = 0 if leftover < 0
in_f = File.new input, 'r'
in_lines = in_f.readlines
refs_f = File.new refs, 'r'
@@ -74,7 +75,10 @@ def make_shards(input, refs, num_shards, epoch, rand)
shard_refs_files = []
in_fns = []
refs_fns = []
+ new_num_shards = 0
0.upto(num_shards-1) { |shard|
+ break if index.size==0
+ new_num_shards += 1
in_fn = "work/shard.#{shard}.#{epoch}.in"
shard_in = File.new in_fn, 'w+'
in_fns << in_fn
@@ -98,7 +102,7 @@ def make_shards(input, refs, num_shards, epoch, rand)
(shard_in_files + shard_refs_files).each do |f| f.close end
in_f.close
refs_f.close
- return [in_fns, refs_fns]
+ return in_fns, refs_fns, new_num_shards
end
input_files = []
@@ -111,7 +115,7 @@ if predefined_shards
end
num_shards = input_files.size
else
- input_files, refs_files = make_shards input, refs, num_shards, 0, rand
+ input_files, refs_files, num_shards = make_shards input, refs, num_shards, 0, rand
end
0.upto(epochs-1) { |epoch|
@@ -158,7 +162,7 @@ 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
+ input_files, refs_files, num_shards = make_shards input, refs, num_shards, epoch+1, rand
end
}