SwiftyJSON Performance Issues
问题 I'm having serious performance issues parsing JSON with SwiftyJson from our API and populating in core data. The data is downloaded with Alamofire, wich works nicely but parsing the json with SwiftyJson is painfully slow. To see if the library really was the problem i rewrote the json parsing in one of the many places the data is parsed. In the code below I am parsing the opening hours of one of about 400 tourist attractions. See the difference in these screenshots, 7,7 sec to 185 ms: The