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cuDF User Guide
cudf.pandas
Polars GPU engine
libcudf documentation
Developer Guide
GitHub
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Section Navigation
API reference
Series
cudf.core.series.DatetimeProperties.year
cudf.core.series.DatetimeProperties.month
cudf.core.series.DatetimeProperties.day
cudf.core.series.DatetimeProperties.hour
cudf.core.series.DatetimeProperties.minute
cudf.core.series.DatetimeProperties.second
cudf.core.series.DatetimeProperties.microsecond
cudf.core.series.DatetimeProperties.nanosecond
cudf.core.series.DatetimeProperties.dayofweek
cudf.core.series.DatetimeProperties.weekday
cudf.core.series.DatetimeProperties.dayofyear
cudf.core.series.DatetimeProperties.day_of_year
cudf.core.series.DatetimeProperties.quarter
cudf.core.series.DatetimeProperties.is_month_start
cudf.core.series.DatetimeProperties.is_month_end
cudf.core.series.DatetimeProperties.is_quarter_start
cudf.core.series.DatetimeProperties.is_quarter_end
cudf.core.series.DatetimeProperties.is_year_start
cudf.core.series.DatetimeProperties.is_year_end
cudf.core.series.DatetimeProperties.is_leap_year
cudf.core.series.DatetimeProperties.days_in_month
cudf.core.column.string.StringMethods.byte_count
cudf.core.column.string.StringMethods.capitalize
cudf.core.column.string.StringMethods.cat
cudf.core.column.string.StringMethods.center
cudf.core.column.string.StringMethods.character_ngrams
cudf.core.column.string.StringMethods.character_tokenize
cudf.core.column.string.StringMethods.code_points
cudf.core.column.string.StringMethods.contains
cudf.core.column.string.StringMethods.count
cudf.core.column.string.StringMethods.detokenize
cudf.core.column.string.StringMethods.edit_distance
cudf.core.column.string.StringMethods.edit_distance_matrix
cudf.core.column.string.StringMethods.endswith
cudf.core.column.string.StringMethods.extract
cudf.core.column.string.StringMethods.filter_alphanum
cudf.core.column.string.StringMethods.filter_characters
cudf.core.column.string.StringMethods.filter_tokens
cudf.core.column.string.StringMethods.find
cudf.core.column.string.StringMethods.findall
cudf.core.column.string.StringMethods.find_multiple
cudf.core.column.string.StringMethods.get
cudf.core.column.string.StringMethods.get_json_object
cudf.core.column.string.StringMethods.hex_to_int
cudf.core.column.string.StringMethods.htoi
cudf.core.column.string.StringMethods.index
cudf.core.column.string.StringMethods.insert
cudf.core.column.string.StringMethods.ip2int
cudf.core.column.string.StringMethods.ip_to_int
cudf.core.column.string.StringMethods.is_consonant
cudf.core.column.string.StringMethods.is_vowel
cudf.core.column.string.StringMethods.isalnum
cudf.core.column.string.StringMethods.isalpha
cudf.core.column.string.StringMethods.isdecimal
cudf.core.column.string.StringMethods.isdigit
cudf.core.column.string.StringMethods.isempty
cudf.core.column.string.StringMethods.isfloat
cudf.core.column.string.StringMethods.ishex
cudf.core.column.string.StringMethods.isinteger
cudf.core.column.string.StringMethods.isipv4
cudf.core.column.string.StringMethods.isspace
cudf.core.column.string.StringMethods.islower
cudf.core.column.string.StringMethods.isnumeric
cudf.core.column.string.StringMethods.isupper
cudf.core.column.string.StringMethods.istimestamp
cudf.core.column.string.StringMethods.istitle
cudf.core.column.string.StringMethods.jaccard_index
cudf.core.column.string.StringMethods.join
cudf.core.column.string.StringMethods.len
cudf.core.column.string.StringMethods.like
cudf.core.column.string.StringMethods.ljust
cudf.core.column.string.StringMethods.lower
cudf.core.column.string.StringMethods.lstrip
cudf.core.column.string.StringMethods.match
cudf.core.column.string.StringMethods.minhash
cudf.core.column.string.StringMethods.ngrams
cudf.core.column.string.StringMethods.ngrams_tokenize
cudf.core.column.string.StringMethods.normalize_characters
cudf.core.column.string.StringMethods.normalize_spaces
cudf.core.column.string.StringMethods.pad
cudf.core.column.string.StringMethods.partition
cudf.core.column.string.StringMethods.porter_stemmer_measure
cudf.core.column.string.StringMethods.repeat
cudf.core.column.string.StringMethods.removeprefix
cudf.core.column.string.StringMethods.removesuffix
cudf.core.column.string.StringMethods.replace
cudf.core.column.string.StringMethods.replace_tokens
cudf.core.column.string.StringMethods.replace_with_backrefs
cudf.core.column.string.StringMethods.rfind
cudf.core.column.string.StringMethods.rindex
cudf.core.column.string.StringMethods.rjust
cudf.core.column.string.StringMethods.rpartition
cudf.core.column.string.StringMethods.rsplit
cudf.core.column.string.StringMethods.rstrip
cudf.core.column.string.StringMethods.slice
cudf.core.column.string.StringMethods.slice_from
cudf.core.column.string.StringMethods.slice_replace
cudf.core.column.string.StringMethods.split
cudf.core.column.string.StringMethods.startswith
cudf.core.column.string.StringMethods.strip
cudf.core.column.string.StringMethods.swapcase
cudf.core.column.string.StringMethods.title
cudf.core.column.string.StringMethods.token_count
cudf.core.column.string.StringMethods.tokenize
cudf.core.column.string.StringMethods.translate
cudf.core.column.string.StringMethods.upper
cudf.core.column.string.StringMethods.url_decode
cudf.core.column.string.StringMethods.url_encode
cudf.core.column.string.StringMethods.wrap
cudf.core.column.string.StringMethods.zfill
cudf.core.column.categorical.CategoricalAccessor.categories
cudf.core.column.categorical.CategoricalAccessor.ordered
cudf.core.column.categorical.CategoricalAccessor.codes
cudf.core.column.categorical.CategoricalAccessor.reorder_categories
cudf.core.column.categorical.CategoricalAccessor.add_categories
cudf.core.column.categorical.CategoricalAccessor.remove_categories
cudf.core.column.categorical.CategoricalAccessor.set_categories
cudf.core.column.categorical.CategoricalAccessor.as_ordered
cudf.core.column.categorical.CategoricalAccessor.as_unordered
cudf.core.column.lists.ListMethods.astype
cudf.core.column.lists.ListMethods.concat
cudf.core.column.lists.ListMethods.contains
cudf.core.column.lists.ListMethods.index
cudf.core.column.lists.ListMethods.get
cudf.core.column.lists.ListMethods.leaves
cudf.core.column.lists.ListMethods.len
cudf.core.column.lists.ListMethods.sort_values
cudf.core.column.lists.ListMethods.take
cudf.core.column.lists.ListMethods.unique
cudf.core.column.struct.StructMethods.field
cudf.core.column.struct.StructMethods.explode
DataFrame
cudf.DataFrame.dtypes
cudf.DataFrame.info
cudf.DataFrame.select_dtypes
cudf.DataFrame.values
cudf.DataFrame.ndim
cudf.DataFrame.size
cudf.DataFrame.shape
cudf.DataFrame.memory_usage
cudf.DataFrame.empty
Index objects
cudf.Index.dtype
cudf.Index.duplicated
cudf.Index.empty
cudf.Index.has_duplicates
cudf.Index.hasnans
cudf.Index.is_monotonic_increasing
cudf.Index.is_monotonic_decreasing
cudf.Index.is_unique
cudf.Index.name
cudf.Index.names
cudf.Index.ndim
cudf.Index.nlevels
cudf.Index.shape
cudf.Index.size
cudf.Index.values
cudf.CategoricalIndex.codes
cudf.CategoricalIndex.categories
cudf.IntervalIndex.from_breaks
cudf.IntervalIndex.values
cudf.IntervalIndex.get_indexer
cudf.IntervalIndex.get_loc
cudf.MultiIndex.from_arrays
cudf.MultiIndex.from_tuples
cudf.MultiIndex.from_product
cudf.MultiIndex.from_frame
cudf.MultiIndex.from_arrow
cudf.DatetimeIndex.year
cudf.DatetimeIndex.month
cudf.DatetimeIndex.day
cudf.DatetimeIndex.hour
cudf.DatetimeIndex.minute
cudf.DatetimeIndex.second
cudf.DatetimeIndex.microsecond
cudf.DatetimeIndex.nanosecond
cudf.DatetimeIndex.day_of_year
cudf.DatetimeIndex.dayofyear
cudf.DatetimeIndex.dayofweek
cudf.DatetimeIndex.weekday
cudf.DatetimeIndex.quarter
cudf.DatetimeIndex.is_leap_year
cudf.DatetimeIndex.isocalendar
cudf.TimedeltaIndex.days
cudf.TimedeltaIndex.seconds
cudf.TimedeltaIndex.microseconds
cudf.TimedeltaIndex.nanoseconds
cudf.TimedeltaIndex.components
cudf.TimedeltaIndex.inferred_freq
GroupBy
cudf.Grouper
cudf.core.groupby.groupby.DataFrameGroupBy.bfill
cudf.core.groupby.groupby.DataFrameGroupBy.corr
cudf.core.groupby.groupby.DataFrameGroupBy.count
cudf.core.groupby.groupby.DataFrameGroupBy.cumcount
cudf.core.groupby.groupby.DataFrameGroupBy.cummax
cudf.core.groupby.groupby.DataFrameGroupBy.cummin
cudf.core.groupby.groupby.DataFrameGroupBy.cumsum
cudf.core.groupby.groupby.DataFrameGroupBy.describe
cudf.core.groupby.groupby.DataFrameGroupBy.diff
cudf.core.groupby.groupby.DataFrameGroupBy.ffill
cudf.core.groupby.groupby.DataFrameGroupBy.fillna
cudf.core.groupby.groupby.DataFrameGroupBy.idxmax
cudf.core.groupby.groupby.DataFrameGroupBy.idxmin
cudf.core.groupby.groupby.DataFrameGroupBy.nunique
cudf.core.groupby.groupby.DataFrameGroupBy.quantile
cudf.core.groupby.groupby.DataFrameGroupBy.shift
cudf.core.groupby.groupby.DataFrameGroupBy.size
General Functions
General Utilities
Window
Input/output
TokenizeVocabulary
String handling
cudf.core.column.string.StringMethods.byte_count
cudf.core.column.string.StringMethods.capitalize
cudf.core.column.string.StringMethods.cat
cudf.core.column.string.StringMethods.center
cudf.core.column.string.StringMethods.character_ngrams
cudf.core.column.string.StringMethods.character_tokenize
cudf.core.column.string.StringMethods.code_points
cudf.core.column.string.StringMethods.contains
cudf.core.column.string.StringMethods.count
cudf.core.column.string.StringMethods.detokenize
cudf.core.column.string.StringMethods.edit_distance
cudf.core.column.string.StringMethods.edit_distance_matrix
cudf.core.column.string.StringMethods.endswith
cudf.core.column.string.StringMethods.extract
cudf.core.column.string.StringMethods.filter_alphanum
cudf.core.column.string.StringMethods.filter_characters
cudf.core.column.string.StringMethods.filter_tokens
cudf.core.column.string.StringMethods.find
cudf.core.column.string.StringMethods.findall
cudf.core.column.string.StringMethods.find_multiple
cudf.core.column.string.StringMethods.get
cudf.core.column.string.StringMethods.get_json_object
cudf.core.column.string.StringMethods.hex_to_int
cudf.core.column.string.StringMethods.htoi
cudf.core.column.string.StringMethods.index
cudf.core.column.string.StringMethods.insert
cudf.core.column.string.StringMethods.ip2int
cudf.core.column.string.StringMethods.ip_to_int
cudf.core.column.string.StringMethods.is_consonant
cudf.core.column.string.StringMethods.is_vowel
cudf.core.column.string.StringMethods.isalnum
cudf.core.column.string.StringMethods.isalpha
cudf.core.column.string.StringMethods.isdecimal
cudf.core.column.string.StringMethods.isdigit
cudf.core.column.string.StringMethods.isempty
cudf.core.column.string.StringMethods.isfloat
cudf.core.column.string.StringMethods.ishex
cudf.core.column.string.StringMethods.isinteger
cudf.core.column.string.StringMethods.isipv4
cudf.core.column.string.StringMethods.isspace
cudf.core.column.string.StringMethods.islower
cudf.core.column.string.StringMethods.isnumeric
cudf.core.column.string.StringMethods.isupper
cudf.core.column.string.StringMethods.istimestamp
cudf.core.column.string.StringMethods.istitle
cudf.core.column.string.StringMethods.jaccard_index
cudf.core.column.string.StringMethods.join
cudf.core.column.string.StringMethods.len
cudf.core.column.string.StringMethods.like
cudf.core.column.string.StringMethods.ljust
cudf.core.column.string.StringMethods.lower
cudf.core.column.string.StringMethods.lstrip
cudf.core.column.string.StringMethods.match
cudf.core.column.string.StringMethods.minhash
cudf.core.column.string.StringMethods.ngrams
cudf.core.column.string.StringMethods.ngrams_tokenize
cudf.core.column.string.StringMethods.normalize_characters
cudf.core.column.string.StringMethods.normalize_spaces
cudf.core.column.string.StringMethods.pad
cudf.core.column.string.StringMethods.partition
cudf.core.column.string.StringMethods.porter_stemmer_measure
cudf.core.column.string.StringMethods.repeat
cudf.core.column.string.StringMethods.removeprefix
cudf.core.column.string.StringMethods.removesuffix
cudf.core.column.string.StringMethods.replace
cudf.core.column.string.StringMethods.replace_tokens
cudf.core.column.string.StringMethods.replace_with_backrefs
cudf.core.column.string.StringMethods.rfind
cudf.core.column.string.StringMethods.rindex
cudf.core.column.string.StringMethods.rjust
cudf.core.column.string.StringMethods.rpartition
cudf.core.column.string.StringMethods.rsplit
cudf.core.column.string.StringMethods.rstrip
cudf.core.column.string.StringMethods.slice
cudf.core.column.string.StringMethods.slice_from
cudf.core.column.string.StringMethods.slice_replace
cudf.core.column.string.StringMethods.split
cudf.core.column.string.StringMethods.startswith
cudf.core.column.string.StringMethods.strip
cudf.core.column.string.StringMethods.swapcase
cudf.core.column.string.StringMethods.title
cudf.core.column.string.StringMethods.token_count
cudf.core.column.string.StringMethods.tokenize
cudf.core.column.string.StringMethods.translate
cudf.core.column.string.StringMethods.upper
cudf.core.column.string.StringMethods.url_decode
cudf.core.column.string.StringMethods.url_encode
cudf.core.column.string.StringMethods.wrap
cudf.core.column.string.StringMethods.zfill
List handling
cudf.core.column.lists.ListMethods.astype
cudf.core.column.lists.ListMethods.concat
cudf.core.column.lists.ListMethods.contains
cudf.core.column.lists.ListMethods.index
cudf.core.column.lists.ListMethods.get
cudf.core.column.lists.ListMethods.leaves
cudf.core.column.lists.ListMethods.len
cudf.core.column.lists.ListMethods.sort_values
cudf.core.column.lists.ListMethods.take
cudf.core.column.lists.ListMethods.unique
Struct handling
cudf.core.column.struct.StructMethods.field
cudf.core.column.struct.StructMethods.explode
Options and settings
Extension Dtypes
cudf.core.dtypes.CategoricalDtype.categories
cudf.core.dtypes.CategoricalDtype.construct_from_string
cudf.core.dtypes.CategoricalDtype.deserialize
cudf.core.dtypes.CategoricalDtype.device_deserialize
cudf.core.dtypes.CategoricalDtype.device_serialize
cudf.core.dtypes.CategoricalDtype.from_pandas
cudf.core.dtypes.CategoricalDtype.host_deserialize
cudf.core.dtypes.CategoricalDtype.host_serialize
cudf.core.dtypes.CategoricalDtype.is_dtype
cudf.core.dtypes.CategoricalDtype.name
cudf.core.dtypes.CategoricalDtype.ordered
cudf.core.dtypes.CategoricalDtype.serialize
cudf.core.dtypes.CategoricalDtype.str
cudf.core.dtypes.CategoricalDtype.to_pandas
cudf.core.dtypes.CategoricalDtype.type
cudf.core.dtypes.Decimal32Dtype.ITEMSIZE
cudf.core.dtypes.Decimal32Dtype.MAX_PRECISION
cudf.core.dtypes.Decimal32Dtype.deserialize
cudf.core.dtypes.Decimal32Dtype.device_deserialize
cudf.core.dtypes.Decimal32Dtype.device_serialize
cudf.core.dtypes.Decimal32Dtype.from_arrow
cudf.core.dtypes.Decimal32Dtype.host_deserialize
cudf.core.dtypes.Decimal32Dtype.host_serialize
cudf.core.dtypes.Decimal32Dtype.is_dtype
cudf.core.dtypes.Decimal32Dtype.itemsize
cudf.core.dtypes.Decimal32Dtype.precision
cudf.core.dtypes.Decimal32Dtype.scale
cudf.core.dtypes.Decimal32Dtype.serialize
cudf.core.dtypes.Decimal32Dtype.str
cudf.core.dtypes.Decimal32Dtype.to_arrow
cudf.core.dtypes.Decimal64Dtype.ITEMSIZE
cudf.core.dtypes.Decimal64Dtype.MAX_PRECISION
cudf.core.dtypes.Decimal64Dtype.deserialize
cudf.core.dtypes.Decimal64Dtype.device_deserialize
cudf.core.dtypes.Decimal64Dtype.device_serialize
cudf.core.dtypes.Decimal64Dtype.from_arrow
cudf.core.dtypes.Decimal64Dtype.host_deserialize
cudf.core.dtypes.Decimal64Dtype.host_serialize
cudf.core.dtypes.Decimal64Dtype.is_dtype
cudf.core.dtypes.Decimal64Dtype.itemsize
cudf.core.dtypes.Decimal64Dtype.precision
cudf.core.dtypes.Decimal64Dtype.scale
cudf.core.dtypes.Decimal64Dtype.serialize
cudf.core.dtypes.Decimal64Dtype.str
cudf.core.dtypes.Decimal64Dtype.to_arrow
cudf.core.dtypes.Decimal128Dtype.ITEMSIZE
cudf.core.dtypes.Decimal128Dtype.MAX_PRECISION
cudf.core.dtypes.Decimal128Dtype.deserialize
cudf.core.dtypes.Decimal128Dtype.device_deserialize
cudf.core.dtypes.Decimal128Dtype.device_serialize
cudf.core.dtypes.Decimal128Dtype.from_arrow
cudf.core.dtypes.Decimal128Dtype.host_deserialize
cudf.core.dtypes.Decimal128Dtype.host_serialize
cudf.core.dtypes.Decimal128Dtype.is_dtype
cudf.core.dtypes.Decimal128Dtype.itemsize
cudf.core.dtypes.Decimal128Dtype.precision
cudf.core.dtypes.Decimal128Dtype.scale
cudf.core.dtypes.Decimal128Dtype.serialize
cudf.core.dtypes.Decimal128Dtype.str
cudf.core.dtypes.Decimal128Dtype.to_arrow
cudf.core.dtypes.ListDtype.deserialize
cudf.core.dtypes.ListDtype.device_deserialize
cudf.core.dtypes.ListDtype.device_serialize
cudf.core.dtypes.ListDtype.element_type
cudf.core.dtypes.ListDtype.from_arrow
cudf.core.dtypes.ListDtype.host_deserialize
cudf.core.dtypes.ListDtype.host_serialize
cudf.core.dtypes.ListDtype.is_dtype
cudf.core.dtypes.ListDtype.leaf_type
cudf.core.dtypes.ListDtype.serialize
cudf.core.dtypes.ListDtype.to_arrow
cudf.core.dtypes.ListDtype.type
cudf.core.dtypes.StructDtype.deserialize
cudf.core.dtypes.StructDtype.device_deserialize
cudf.core.dtypes.StructDtype.device_serialize
cudf.core.dtypes.StructDtype.fields
cudf.core.dtypes.StructDtype.from_arrow
cudf.core.dtypes.StructDtype.host_deserialize
cudf.core.dtypes.StructDtype.host_serialize
cudf.core.dtypes.StructDtype.is_dtype
cudf.core.dtypes.StructDtype.serialize
cudf.core.dtypes.StructDtype.to_arrow
cudf.core.dtypes.StructDtype.type
pylibcudf
aggregation
binaryop
Column
column_factories
concatenate
copying
datetime
expressions
filling
gpumemoryview
groupby
hashing
interop
join
json
labeling
lists
merge
null_mask
partitioning
quantiles
reduce
replace
reshape
rolling
round
Scalar
search
sorting
stream_compaction
table
traits
transform
transpose
types
unary
I/O
Avro
CSV
JSON
Parquet
Parquet Metadata
text
Timezone
strings
capitalize
char_types
combine
contains
extract
find
find_multiple
findall
padding
regex_flags
regex_program
repeat
replace_re
replace
side_type
slice
split
strip
wrap
convert
nvtext
edit_distance
generate_ngrams
jaccard
minhash
byte_pair_encode
ngrams_tokenize
normalize
replace
stemmer
subword_tokenize
tokenize
Performance Tracking
10 Minutes to cuDF and Dask cuDF
Comparison of cuDF and Pandas
Supported Data Types
Input / Output
Input / Output
Working with JSON data
Working with missing data
GroupBy
Overview of User Defined Functions with cuDF
Interoperability between cuDF and CuPy
Options
Performance comparisons
Performance comparison
Pandas Compatibility Notes
Copy-on-write
Memory Profiling
Breaking changes for pandas 2 in cuDF 24.04+
cuDF User Guide
API reference
Extension Dtypes
cudf.core.dtypes.Decimal128Dtype.ITEMSIZE
cudf.core.dtypes.Decimal128Dtype.ITEMSIZE
#
Decimal128Dtype.
ITEMSIZE
=
16
#
On this page
Decimal128Dtype.ITEMSIZE
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