NAME
AI::MXNet::RecordIO - Read/write RecordIO format data
|
new
Parameters
----------
uri : Str
uri path to recordIO file.
flag: Str
"r" for reading or "w" writing.
|
open
close
reset
Reset pointer to first item. If record is opened with 'w',this will truncate the file to empty.
|
write
Write a string buffer as a record.
Parameters
----------
$buf : a buffer to write.
|
read
Read a record as a string.
Returns
----------
$buf : string
|
unpack
unpack a MXImageRecord to a string
Parameters
----------
s : str
string buffer from MXRecordIO.read
Returns
-------
header : AI::MXNet::IRHeader
header of the image record
s : str
unpacked string
|
pack
pack a string into MXImageRecord
Parameters
----------
$header : AI::MXNet::IRHeader or ArrayRef suitable for AI::MXNet::IRHeader->new(@{ ArrayRef })
header of the image record.
$header->label can be a number or an array ref.
s : str
string to pack
|
NAME
AI::MXNet::IndexedRecordIO - Read/write RecordIO format data supporting random access.
|
new
Parameters
----------
idx_path : str
Path to index file
uri : str
Path to record file. Only support file types that are seekable.
flag : str
'w' for write or 'r' for read
|
seek
Query current read head position.
|
tell
Query current write head position.
|
read_idx
Read record with the index.
Parameters:
-----------
$idx
|
write_idx
Write record with index.
Parameters:
-----------
Int $idx
Str $buf
|