From 2f46a5e2b37a054f482f76f4ac3d26b144cf988f Mon Sep 17 00:00:00 2001
From: Qi Liu <liuq901@163.com>
Date: Fri, 11 Mar 2016 18:18:59 +0800
Subject: add lua

---
 lua/main.lua | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 lua/main.lua

(limited to 'lua/main.lua')

diff --git a/lua/main.lua b/lua/main.lua
new file mode 100644
index 0000000..39818aa
--- /dev/null
+++ b/lua/main.lua
@@ -0,0 +1,45 @@
+nerv.include('reader.lua')
+nerv.include('timer.lua')
+nerv.include('config.lua')
+nerv.include(arg[1])
+
+local global_conf = get_global_conf()
+local timer = global_conf.timer
+
+timer:tic('IO')
+
+local data_path = 'nerv/nerv/examples/lmptb/PTBdata/'
+local train_reader = nerv.Reader(data_path .. 'vocab', data_path .. 'ptb.train.txt.adds')
+local val_reader = nerv.Reader(data_path .. 'vocab', data_path .. 'ptb.valid.txt.adds')
+
+local train_data = train_reader:get_all_batch(global_conf)
+local val_data = val_reader:get_all_batch(global_conf)
+
+local layers = get_layers(global_conf)
+local connections = get_connections(global_conf)
+
+local NN = nerv.NN(global_conf, train_data, val_data, layers, connections)
+
+timer:toc('IO')
+timer:check('IO')
+io.flush()
+
+timer:tic('global')
+local best_cv = 1e10
+for i = 1, global_conf.max_iter do
+    timer:tic('Epoch' .. i)
+    local train_ppl, val_ppl = NN:epoch()
+    if val_ppl < best_cv then
+        best_cv = val_ppl
+    else
+        global_conf.lrate = global_conf.lrate / 2.0
+    end
+    nerv.printf('Epoch %d: %f %f %f\n', i, global_conf.lrate, train_ppl, val_ppl)
+    timer:toc('Epoch' .. i)
+    timer:check('Epoch' .. i)
+    io.flush()
+end
+timer:toc('global')
+timer:check('global')
+timer:check('network')
+timer:check('gc')
-- 
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