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hub / github.com/catboost/catboost / TCBQuantizedDataLoader

Method TCBQuantizedDataLoader

catboost/private/libs/quantized_pool/loader.cpp:43–130  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

41using NCB::TUnalignedArrayBuf;
42
43NCB::TCBQuantizedDataLoader::TCBQuantizedDataLoader(TDatasetLoaderPullArgs&& args)
44 : ObjectCount(0) // inited later
45 , QuantizedPool(
46 std::forward<TQuantizedPool>(
47 LoadQuantizedPool(args.PoolPath, GetLoadParameters(args.CommonArgs.DatasetSubset))
48 )
49 )
50 , PairsPath(args.CommonArgs.PairsFilePath)
51 , GraphPath(args.CommonArgs.GraphFilePath)
52 , GroupWeightsPath(args.CommonArgs.GroupWeightsFilePath)
53 , BaselinePath(args.CommonArgs.BaselineFilePath)
54 , TimestampsPath(args.CommonArgs.TimestampsFilePath)
55 , PoolMetaInfoPath(args.CommonArgs.PoolMetaInfoPath)
56 , ObjectsOrder(args.CommonArgs.ObjectsOrder)
57 , DatasetSubset(args.CommonArgs.DatasetSubset)
58{
59 CB_ENSURE(QuantizedPool.DocumentCount > 0, "Pool is empty");
60 CB_ENSURE(
61 QuantizedPool.DocumentCount <= (size_t)Max<ui32>(),
62 "CatBoost does not support datasets with more than " << Max<ui32>() << " objects"
63 );
64 // validity of cast checked above
65 ObjectCount = Min<ui32>(QuantizedPool.DocumentCount, DatasetSubset.Range.End) - DatasetSubset.Range.Begin;
66
67 CB_ENSURE(
68 !PairsPath.Inited() || CheckExists(PairsPath),
69 "TCBQuantizedDataLoader:PairsFilePath does not exist");
70 CB_ENSURE(
71 !GraphPath.Inited() || CheckExists(GraphPath),
72 "TCBQuantizedDataLoader:GraphFilePath does not supported");
73 CB_ENSURE(
74 !GroupWeightsPath.Inited() || CheckExists(GroupWeightsPath),
75 "TCBQuantizedDataLoader:GroupWeightsFilePath does not exist");
76 CB_ENSURE(
77 !TimestampsPath.Inited() || CheckExists(TimestampsPath),
78 "TCBQuantizedDataLoader:TimestampsPath does not exist");
79 CB_ENSURE(
80 !FeatureNamesPath.Inited() || CheckExists(FeatureNamesPath),
81 "TCBQuantizedDataLoader:FeatureNamesPath does not exist");
82 CB_ENSURE(
83 !PoolMetaInfoPath.Inited() || CheckExists(PoolMetaInfoPath),
84 "TCBQuantizedDataLoader:PoolMetaInfoPath does not exist");
85
86 THolder<NCB::IBaselineReader> baselineReader;
87 if (BaselinePath.Inited()) {
88 CB_ENSURE(
89 CheckExists(BaselinePath),
90 "TCBQuantizedDataLoader:BaselineFilePath does not exist");
91
92 baselineReader = GetProcessor<NCB::IBaselineReader, NCB::TBaselineReaderArgs>(
93 BaselinePath,
94 NCB::TBaselineReaderArgs{
95 BaselinePath,
96 ClassLabelsToStrings(args.CommonArgs.ClassLabels),
97 DatasetSubset.Range
98 }
99 );
100 }

Callers

nothing calls this directly

Calls 13

CheckExistsFunction · 0.85
ClassLabelsToStringsFunction · 0.85
GetDataMetaInfoFunction · 0.85
NothingFunction · 0.85
GetIgnoredFlatIndicesFunction · 0.85
GetBaselineCountMethod · 0.80
InitedMethod · 0.45
GetFeatureCountMethod · 0.45
sizeMethod · 0.45
insertMethod · 0.45
endMethod · 0.45

Tested by

no test coverage detected