From f99ba621e5bd10b069b453d11b3b4981dc482b6c Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Sun, 13 Nov 2011 22:12:46 +0100
Subject: new reducer: active on all tasks

---
 dtrain/hstreaming/nc-wmt11.en.srilm.3.gz | Bin 12173238 -> 0 bytes
 dtrain/hstreaming/red-all.rb             |  26 ++++++++++++++++++++++++++
 dtrain/hstreaming/red-avg.rb             |   9 +++++----
 dtrain/hstreaming/red-test               |   1 +
 4 files changed, 32 insertions(+), 4 deletions(-)
 delete mode 100644 dtrain/hstreaming/nc-wmt11.en.srilm.3.gz
 create mode 100755 dtrain/hstreaming/red-all.rb

(limited to 'dtrain/hstreaming')

diff --git a/dtrain/hstreaming/nc-wmt11.en.srilm.3.gz b/dtrain/hstreaming/nc-wmt11.en.srilm.3.gz
deleted file mode 100644
index 5a50f8fb..00000000
Binary files a/dtrain/hstreaming/nc-wmt11.en.srilm.3.gz and /dev/null differ
diff --git a/dtrain/hstreaming/red-all.rb b/dtrain/hstreaming/red-all.rb
new file mode 100755
index 00000000..bbc65945
--- /dev/null
+++ b/dtrain/hstreaming/red-all.rb
@@ -0,0 +1,26 @@
+#!/usr/bin/env ruby1.9.1
+
+
+shard_count_key = "__SHARD_COUNT__"
+
+STDIN.set_encoding 'utf-8'
+STDOUT.set_encoding 'utf-8'
+
+w = {}
+c = {}
+w.default = 0
+c.default = 0
+while line = STDIN.gets
+  key, val = line.split /\t/
+  w[key] += val.to_f
+  c[key] += 1
+end
+
+puts "# dtrain reducer: active on all"
+shard_count = w["__SHARD_COUNT__"]
+puts "shard count #{shard_count}"
+w.each_key { |k|
+  if k == shard_count_key then next end
+  if c[k] == shard_count then puts "#{k}\t#{w[k]/shard_count}" end
+}
+
diff --git a/dtrain/hstreaming/red-avg.rb b/dtrain/hstreaming/red-avg.rb
index 048128f5..771f4c0e 100755
--- a/dtrain/hstreaming/red-avg.rb
+++ b/dtrain/hstreaming/red-avg.rb
@@ -1,10 +1,11 @@
 #!/usr/bin/env ruby1.9.1
 
 
-STDIN.set_encoding 'utf-8'
-
 shard_count_key = "__SHARD_COUNT__"
 
+STDIN.set_encoding 'utf-8'
+STDOUT.set_encoding 'utf-8'
+
 w = {}
 c = {}
 w.default = 0
@@ -12,11 +13,11 @@ c.default = 0
 while line = STDIN.gets
   key, val = line.split /\t/
   w[key] += val.to_f
-  c[key] += 1.0
+  c[key] += 1
 end
 
+puts "# dtrain reducer: average"
 shard_count = w["__SHARD_COUNT__"]
-
 w.each_key { |k|
   if k == shard_count_key then next end
   puts "#{k}\t#{w[k]/shard_count}"
diff --git a/dtrain/hstreaming/red-test b/dtrain/hstreaming/red-test
index b86e7894..a2a0edb1 100644
--- a/dtrain/hstreaming/red-test
+++ b/dtrain/hstreaming/red-test
@@ -4,4 +4,5 @@ c	3.5
 a	1
 b	2
 c	3.5
+d	1
 __SHARD_COUNT__	2
-- 
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