Moses-support Digest, Vol 119, Issue 49

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Today's Topics:

1. Re: differences between moses and moses2 output (Hieu Hoang)


----------------------------------------------------------------------

Message: 1
Date: Fri, 30 Sep 2016 12:30:10 +0100
From: Hieu Hoang <hieuhoang@gmail.com>
Subject: Re: [Moses-support] differences between moses and moses2
output
To: Vito Mandorino <vito.mandorino@linguacustodia.com>
Cc: moses-support <moses-support@mit.edu>
Message-ID:
<CAEKMkbjvhWTOYBMgPmOnhsGAhSL_vXvgQxat2P0Rns4YuWU+aA@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

wow, that looks like a seriously problem.

I've not seen this before. If you can make the data file available for
download, it would be much appreciated

Hieu Hoang
http://www.hoang.co.uk/hieu

On 30 September 2016 at 09:11, Vito Mandorino <
vito.mandorino@linguacustodia.com> wrote:

> I tried the following command:
>
> perl /home/Moses/mosesdecoder/scripts/generic/binarize4moses2.perl
> --phrase-table=/home/vito/phrase-table.sorted --lex-ro=/home/vito/reordering-table.sorted
> --output-dir=/home/vito/integrated_phrase-reordering/ --num-lex-scores=6
>
> but it gets stuck with the following message:
>
> Reading phrase table finished, writing remaining files to disk.
> terminate called after throwing an instance of 'util::ProbingSizeException'
> what(): ./util/probing_hash_table.hh:150 in
> util::ProbingHashTable<EntryT, HashT, EqualT, ModT>::Entry*
> util::ProbingHashTable<EntryT, HashT, EqualT, ModT>::Insert(const T&) [with
> T = Moses2::Entry; EntryT = Moses2::Entry; HashT = boost::hash<long
> unsigned int>; EqualT = std::equal_to<long unsigned int>; ModT =
> util::DivMod; util::ProbingHashTable<EntryT, HashT, EqualT,
> ModT>::MutableIterator = Moses2::Entry*; util::ProbingHashTable<EntryT,
> HashT, EqualT, ModT>::Entry = Moses2::Entry] threw ProbingSizeException
> because `++entries_ >= buckets_'.
> Hash table with 1 buckets is full.
>
>
>
>
> 2016-09-29 16:25 GMT+02:00 Hieu Hoang <hieuhoang@gmail.com>:
>
>> use the script:
>> scripts/generic/binarize4moses2.perl
>> It takes as input the (text) phrase-table and the (text) lexro model. It
>> will give you the probing pt which contains the info for both.
>>
>> To use this script, Moses MUST be compiled with the flag --with-cmph.
>> Also, the program in contrib/sigtest-filter MUST have been successfully
>> compiled.
>>
>>
>>
>> Hieu Hoang
>> http://www.hoang.co.uk/hieu
>>
>> On 29 September 2016 at 15:19, Vito Mandorino <
>> vito.mandorino@linguacustodia.com> wrote:
>>
>>> Ok thank you, I'll check that. Do you know how to perform the
>>> integration? Juxtaposing the 4 phrase-table scores and the 6 reordering
>>> scores before calling CreateProbingPT2 would be enough?
>>>
>>> (I have used the CreateProbingPT2 binary and not CreateProbingPT so far)
>>>
>>> Vito
>>>
>>> 2016-09-29 16:07 GMT+02:00 Hieu Hoang <hieuhoang@gmail.com>:
>>>
>>>> you will get another big speedup fromm integrating the lexro into the pt
>>>>
>>>> Hieu Hoang
>>>> http://www.hoang.co.uk/hieu
>>>>
>>>> On 29 September 2016 at 15:03, Vito Mandorino <
>>>> vito.mandorino@linguacustodia.com> wrote:
>>>>
>>>>> Yes the model includes a lexicalised reordering model but is not
>>>>> integrated into the probingPT. The size of the LM is 1.8G.
>>>>>
>>>>> 2016-09-29 15:59 GMT+02:00 Hieu Hoang <hieuhoang@gmail.com>:
>>>>>
>>>>>> ps. how big is your LM?
>>>>>>
>>>>>> Hieu Hoang
>>>>>> http://www.hoang.co.uk/hieu
>>>>>>
>>>>>> On 29 September 2016 at 14:58, Hieu Hoang <hieuhoang@gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> great, thanks. Do you use the lexicalised reordering model, and is
>>>>>>> it integrated into the phrase-table in Moses2?
>>>>>>>
>>>>>>> There is latency in communicating with the server. As Moses2 is much
>>>>>>> faster now, the client can't feed it fast enough. You should see that
>>>>>>> moses2 command line will max out the CPU, whereas the server won't. I'm
>>>>>>> thinking of extending the server to processing multiple sentences at a time
>>>>>>> to speed it up
>>>>>>>
>>>>>>> Hieu Hoang
>>>>>>> http://www.hoang.co.uk/hieu
>>>>>>>
>>>>>>> On 29 September 2016 at 14:49, Vito Mandorino <
>>>>>>> vito.mandorino@linguacustodia.com> wrote:
>>>>>>>
>>>>>>>> Yes, here are some data:
>>>>>>>>
>>>>>>>> Average source sentence length: 29 tokens
>>>>>>>> Phrase-table size, probingPT: 11G
>>>>>>>> Phrase-table size, compact phrase-table: 2.1G
>>>>>>>>
>>>>>>>> Translation time Moses2 with 32 threads: 1m36.511s
>>>>>>>> Translation time Moses with 32 threads: 6m14.248s
>>>>>>>> Translation time Moses2 with 32 threads in server mode: 16m30.137s
>>>>>>>> Translation time Moses with 32 threads in server mode: 62m33.208s
>>>>>>>>
>>>>>>>> Ram consumption during decoding: 4G for Moses2, 5G for Moses
>>>>>>>>
>>>>>>>> So Moses2 is 4 times faster, and 3 times faster in server mode.
>>>>>>>>
>>>>>>>> Do you know why in server mode the speed is so much slower with
>>>>>>>> respect to batch mode, for both Moses and Moses2?
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>> Vito
>>>>>>>>
>>>>>>>> 2016-09-28 18:52 GMT+02:00 Hieu Hoang <hieuhoang@gmail.com>:
>>>>>>>>
>>>>>>>>> cool. do you have any indications of speed, especially when using
>>>>>>>>> multiple threads? model sizes and average input sentence length are also
>>>>>>>>> relevant.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> *M**. Vito MANDORINO -- Chief Scientist*
>>>>>>>>
>>>>>>>>
>>>>>>>> [image: Description : Description : lingua_custodia_final full logo]
>>>>>>>>
>>>>>>>> *The Translation Trustee*
>>>>>>>>
>>>>>>>> *1, Place Charles de Gaulle, **78180 Montigny-le-Bretonneux*
>>>>>>>>
>>>>>>>> *Tel : +33 1 30 44 04 23 Mobile : +33 6 84 65 68 89
>>>>>>>> <%2B33%206%2084%2065%2068%2089>*
>>>>>>>>
>>>>>>>> *Email :* *vito.mandorino@linguacustodia.com
>>>>>>>> <massinissa.ahmim@linguacustodia.com>*
>>>>>>>>
>>>>>>>> *Website :*
>>>>>>>> *www.linguacustodia.finance <http://www.linguacustodia.com/>*
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *M**. Vito MANDORINO -- Chief Scientist*
>>>>>
>>>>>
>>>>> [image: Description : Description : lingua_custodia_final full logo]
>>>>>
>>>>> *The Translation Trustee*
>>>>>
>>>>> *1, Place Charles de Gaulle, **78180 Montigny-le-Bretonneux*
>>>>>
>>>>> *Tel : +33 1 30 44 04 23 Mobile : +33 6 84 65 68 89
>>>>> <%2B33%206%2084%2065%2068%2089>*
>>>>>
>>>>> *Email :* *vito.mandorino@linguacustodia.com
>>>>> <massinissa.ahmim@linguacustodia.com>*
>>>>>
>>>>> *Website :*
>>>>> *www.linguacustodia.finance <http://www.linguacustodia.com/>*
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> *M**. Vito MANDORINO -- Chief Scientist*
>>>
>>>
>>> [image: Description : Description : lingua_custodia_final full logo]
>>>
>>> *The Translation Trustee*
>>>
>>> *1, Place Charles de Gaulle, **78180 Montigny-le-Bretonneux*
>>>
>>> *Tel : +33 1 30 44 04 23 Mobile : +33 6 84 65 68 89
>>> <%2B33%206%2084%2065%2068%2089>*
>>>
>>> *Email :* *vito.mandorino@linguacustodia.com
>>> <massinissa.ahmim@linguacustodia.com>*
>>>
>>> *Website :*
>>> *www.linguacustodia.finance <http://www.linguacustodia.com/>*
>>>
>>
>>
>
>
> --
> *M**. Vito MANDORINO -- Chief Scientist*
>
>
> [image: Description : Description : lingua_custodia_final full logo]
>
> *The Translation Trustee*
>
> *1, Place Charles de Gaulle, **78180 Montigny-le-Bretonneux*
>
> *Tel : +33 1 30 44 04 23 Mobile : +33 6 84 65 68 89
> <%2B33%206%2084%2065%2068%2089>*
>
> *Email :* *vito.mandorino@linguacustodia.com
> <massinissa.ahmim@linguacustodia.com>*
>
> *Website :*
> *www.linguacustodia.finance <http://www.linguacustodia.com/>*
>
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