经测试,解析一个100字节左右的数据连续1000次,cjson与rapidjson消耗的时间差距仍是挺大的:json
cjson单纯用Parse()解析一个json字符串平均须要49.5ms的时间,api
gettimeofday(&tv, &tz); logs_dbg("tv_usec before parse:%ld\n",tv.tv_usec); for(int i = 0; i < 1000; i++) { jsroot = cJSON_Parse(buf); } gettimeofday(&tv, &tz); logs_dbg("tv_usec after parse:%ld\n",tv.tv_usec);
rapidjson平均须要6.86ms的时间:测试
gettimeofday(&tv, &tz); logs_dbg("tv_usec before parse:%ld\n",tv.tv_usec); for(int nummm = 0; nummm < 1000; nummm++) { document.ParseInsitu(buf); } gettimeofday(&tv, &tz); logs_dbg("tv_usec after parse:%ld\n",tv.tv_usec);