DATA PROCESSING METHOD, device, APPARATUS AND MEDIUM

The embodiment of the invention discloses a data processing method, a device, an apparatus and a medium, which relate to the field of automatic driving. The method includes receiving a topic data access instruction including a target topic ID; in a pre-constructed subject data index list, data of a target subject being searched with the target subject ID as an index, wherein the subject data indexlist is an index table with the subject ID as a keyword and the data of the subject as a key value, and the subject ID being obtained by hashing a name string of the subject. The embodiment of the invention provides the data processing method, the device, the apparatus and the medium, which reduce the overhead of the subject name operation. 本发明实施例公开了种数据处理方法、装置、设备和介质，涉及自动驾驶领域。该方法包括：接收包括目标主题ID的主题数据访问指令；在预先构建的主题数据索引列表中，以目标主题ID为索引查找目标主题的数据，其中所述主题数据索引列表是以主题ID为关键字，主题的数据为键值的索引表，所述主题ID是对主题的名称字符串进行散列处理得到的。本发明实施例提供的种数据处理方法、装置、设备和介质，降低了对主题名称操作的开销。