blob: 16d9dd6eaeea08bb023a7130a7ad27df280becbe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#include "TranslationTask.h"
#include "moses/StaticData.h"
#include "moses/Sentence.h"
#include "moses/IOWrapper.h"
#include "moses/TranslationAnalysis.h"
#include "moses/TypeDef.h"
#include "moses/Util.h"
#include "moses/InputType.h"
#include "moses/OutputCollector.h"
#include "moses/Incremental.h"
#include "mbr.h"
#include "moses/Syntax/S2T/Parsers/RecursiveCYKPlusParser/RecursiveCYKPlusParser.h"
#include "moses/Syntax/S2T/Parsers/Scope3Parser/Parser.h"
#include "util/exception.hh"
using namespace std;
namespace Moses
{
TranslationTask::TranslationTask(InputType* source, Moses::IOWrapper &ioWrapper)
: m_source(source)
, m_ioWrapper(ioWrapper)
{}
TranslationTask::~TranslationTask() {
delete m_source;
}
void TranslationTask::Run()
{
// shorthand for "global data"
const StaticData &staticData = StaticData::Instance();
const size_t translationId = m_source->GetTranslationId();
// input sentence
Sentence sentence;
// report wall time spent on translation
Timer translationTime;
translationTime.start();
// report thread number
#if defined(WITH_THREADS) && defined(BOOST_HAS_PTHREADS)
TRACE_ERR("Translating line " << translationId << " in thread id " << pthread_self() << endl);
#endif
// execute the translation
// note: this executes the search, resulting in a search graph
// we still need to apply the decision rule (MAP, MBR, ...)
Timer initTime;
initTime.start();
// which manager
BaseManager *manager;
switch (staticData.IsChart())
{
case false:
manager = new Manager(*m_source);
break;
case true:
if (staticData.UseS2TDecoder()) {
S2TParsingAlgorithm algorithm = staticData.GetS2TParsingAlgorithm();
if (algorithm == RecursiveCYKPlus) {
typedef Syntax::S2T::EagerParserCallback Callback;
typedef Syntax::S2T::RecursiveCYKPlusParser<Callback> Parser;
manager = new Syntax::S2T::Manager<Parser>(*m_source);
} else if (algorithm == Scope3) {
typedef Syntax::S2T::StandardParserCallback Callback;
typedef Syntax::S2T::Scope3Parser<Callback> Parser;
manager = new Syntax::S2T::Manager<Parser>(*m_source);
} else {
UTIL_THROW2("ERROR: unhandled S2T parsing algorithm");
}
}
else if (staticData.GetSearchAlgorithm() == ChartIncremental) {
manager = new Incremental::Manager(*m_source);
}
else {
manager = new ChartManager(*m_source);
}
break;
}
VERBOSE(1, "Line " << translationId << ": Initialize search took " << initTime << " seconds total" << endl);
manager->Decode();
// we are done with search, let's look what we got
Timer additionalReportingTime;
additionalReportingTime.start();
manager->OutputBest(m_ioWrapper.GetSingleBestOutputCollector());
// output word graph
manager->OutputWordGraph(m_ioWrapper.GetWordGraphCollector());
// output search graph
manager->OutputSearchGraph(m_ioWrapper.GetSearchGraphOutputCollector());
manager->OutputSearchGraphSLF();
// Output search graph in hypergraph format for Kenneth Heafield's lazy hypergraph decoder
manager->OutputSearchGraphHypergraph();
additionalReportingTime.stop();
additionalReportingTime.start();
// output n-best list
manager->OutputNBest(m_ioWrapper.GetNBestOutputCollector());
//lattice samples
manager->OutputLatticeSamples(m_ioWrapper.GetLatticeSamplesCollector());
// detailed translation reporting
manager->OutputDetailedTranslationReport(m_ioWrapper.GetDetailedTranslationCollector());
//list of unknown words
manager->OutputUnknowns(m_ioWrapper.GetUnknownsCollector());
// report additional statistics
manager->CalcDecoderStatistics();
VERBOSE(1, "Line " << translationId << ": Additional reporting took " << additionalReportingTime << " seconds total" << endl);
VERBOSE(1, "Line " << translationId << ": Translation took " << translationTime << " seconds total" << endl);
IFVERBOSE(2) {
PrintUserTime("Sentence Decoding Time:");
}
delete manager;
}
}
|