diff options
Diffstat (limited to 'dtrain/parallelize.rb')
-rwxr-xr-x | dtrain/parallelize.rb | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/dtrain/parallelize.rb b/dtrain/parallelize.rb deleted file mode 100755 index 1d277ff6..00000000 --- a/dtrain/parallelize.rb +++ /dev/null @@ -1,79 +0,0 @@ -#!/usr/bin/env ruby - - -if ARGV.size != 5 - STDERR.write "Usage: " - STDERR.write "ruby parallelize.rb <#shards> <input> <refs> <epochs> <dtrain.ini>\n" - exit -end - -dtrain_bin = '/home/pks/bin/dtrain_local' -ruby = '/usr/bin/ruby' -lplp_rb = '/home/pks/mt/cdec-dtrain/dtrain/hstreaming/lplp.rb' -lplp_args = 'l2 select_k 100000' -gzip = '/bin/gzip' - -num_shards = ARGV[0].to_i -input = ARGV[1] -refs = ARGV[2] -epochs = ARGV[3].to_i -ini = ARGV[4] - - -`mkdir work` - -def make_shards(input, refs, num_shards) - lc = `wc -l #{input}`.split.first.to_i - shard_sz = lc / num_shards - leftover = lc % num_shards - in_f = File.new input, 'r' - refs_f = File.new refs, 'r' - shard_in_files = [] - shard_refs_files = [] - 0.upto(num_shards-1) { |shard| - shard_in = File.new "work/shard.#{shard}.in", 'w+' - shard_refs = File.new "work/shard.#{shard}.refs", 'w+' - 0.upto(shard_sz-1) { |i| - shard_in.write in_f.gets - shard_refs.write refs_f.gets - } - shard_in_files << shard_in - shard_refs_files << shard_refs - } - while leftover > 0 - shard_in_files[-1].write in_f.gets - shard_refs_files[-1].write refs_f.gets - leftover -= 1 - end - (shard_in_files + shard_refs_files).each do |f| f.close end - in_f.close - refs_f.close -end - -make_shards input, refs, num_shards - -0.upto(epochs-1) { |epoch| - pids = [] - input_weights = '' - if epoch > 0 then input_weights = "--input_weights work/weights.#{epoch-1}" end - weights_files = [] - 0.upto(num_shards-1) { |shard| - pids << Kernel.fork { - `#{dtrain_bin} -c #{ini}\ - --input work/shard.#{shard}.in\ - --refs work/shard.#{shard}.refs #{input_weights}\ - --output work/weights.#{shard}.#{epoch}\ - &> work/out.#{shard}.#{epoch}` - } - weights_files << "work/weights.#{shard}.#{epoch}" - } - pids.each { |pid| Process.wait(pid) } - cat = File.new('work/weights_cat', 'w+') - weights_files.each { |f| cat.write File.new(f, 'r').read } - cat.close - `#{ruby} #{lplp_rb} #{lplp_args} #{num_shards} < work/weights_cat &> work/weights.#{epoch}` -} - -`rm work/weights_cat` -`#{gzip} work/*` - |