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authorPatrick Simianer <p@simianer.de>2011-09-08 00:06:52 +0200
committerPatrick Simianer <p@simianer.de>2011-09-23 19:13:58 +0200
commit0269777fc54bc554c12107bdd5498f743df2a1ce (patch)
tree05032f88088c2154b4c0ce815bb176ac49dc9b7e /dtrain/README
parentbcf45fc73bd855a3003dee7a8a0b7551eeb0523b (diff)
a lot of stuff, fast_sparse_vector, perceptron, removed sofia, sample [...]
Diffstat (limited to 'dtrain/README')
-rw-r--r--dtrain/README15
1 files changed, 8 insertions, 7 deletions
diff --git a/dtrain/README b/dtrain/README
index 74bac6a0..b3f513be 100644
--- a/dtrain/README
+++ b/dtrain/README
@@ -1,7 +1,7 @@
NOTES
learner gets all used features (binary! and dense (logprob is sum of logprobs!))
weights: see decoder/decoder.cc line 548
- 40k sents, k=100 = ~400M mem, 1 iteration 45min
+ (40k sents, k=100 = ~400M mem, 1 iteration 45min)?
utils/weights.cc: why wv_?
FD, Weights::wv_ grow too large, see utils/weights.cc;
decoder/hg.h; decoder/scfg_translator.cc; utils/fdict.cc
@@ -15,25 +15,26 @@ TODO
GENERATED data? (multi-task, ability to learn, perfect translation in nbest, at first all modelscore 1)
CACHING (ngrams for scoring)
hadoop PIPES imlementation
- SHARED LM?
+ SHARED LM (kenlm actually does this!)?
ITERATION variants
once -> average
shuffle resulting weights
weights AVERAGING in reducer (global Ngram counts)
BATCH implementation (no update after each Kbest list)
- SOFIA --eta_type explicit
set REFERENCE for cdec (rescoring)?
MORE THAN ONE reference for BLEU?
kbest NICER (do not iterate twice)!? -> shared_ptr?
DO NOT USE Decoder::Decode (input caching as WordID)!?
sparse vector instead of vector<double> for weights in Decoder(::SetWeights)?
reactivate DTEST and tests
- non deterministic, high variance, RANDOWM RESTARTS
+ non deterministic, high variance, RANDOM RESTARTS
use separate TEST SET
KNOWN BUGS PROBLEMS
- does probably OVERFIT
- cdec kbest vs 1best (no -k param) fishy!
+ cdec kbest vs 1best (no -k param), rescoring? => ok(?)
+ no sparse vector in decoder => ok
+ ? ok
sh: error while loading shared libraries: libreadline.so.6: cannot open shared object file: Error 24
- PhraseModel_* features (0..99 seem to be generated, default?)
+ PhraseModel_* features (0..99 seem to be generated, why 99?)
+ flex scanner jams on malicious input, we could skip that