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Diffstat (limited to 'nerv/examples/lmptb/lmptb/layer/select_linear.lua')
-rw-r--r--nerv/examples/lmptb/lmptb/layer/select_linear.lua11
1 files changed, 6 insertions, 5 deletions
diff --git a/nerv/examples/lmptb/lmptb/layer/select_linear.lua b/nerv/examples/lmptb/lmptb/layer/select_linear.lua
index 672b7e2..e96296f 100644
--- a/nerv/examples/lmptb/lmptb/layer/select_linear.lua
+++ b/nerv/examples/lmptb/lmptb/layer/select_linear.lua
@@ -30,12 +30,13 @@ function SL:init(batch_size)
end
function SL:update(bp_err, input, output)
- --for i = 1, input[1]:ncol(), 1 do
- -- if (input[1][0][i - 1] ~= 0) then
- -- local word_vec = self.ltp.trans[input[1][0][i - 1]]
- --word_vec:add(word_vec, bp_err[1][i - 1], 1, - self.gconf.lrate / self.gconf.batch_size)
- -- end
+ --use this to produce reproducable result
+ --for i = 1, input[1]:nrow(), 1 do
+ -- local word_vec = self.ltp.trans[input[1][i - 1][0]]
+ -- word_vec:add(word_vec, bp_err[1][i - 1], 1, - self.gconf.lrate / self.gconf.batch_size)
--end
+
+ --I tried the update_select_rows kernel which uses atomicAdd, but it generates unreproducable result
self.ltp.trans:update_select_rows(bp_err[1], input[1]:trans(), - self.gconf.lrate / self.gconf.batch_size, 0)
self.ltp.trans:add(self.ltp.trans, self.ltp.trans, 1.0, - self.gconf.lrate * self.gconf.wcost / self.gconf.batch_size)
end