Run results for: JSON.stringify + JSON.parse vs structuredClone AJP

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
JSON.stringify + JSON.parse Sep	648.0 Ops/sec
structuredClone Sep	55289.8 Ops/sec

Script Preparation code:

var obj =[]
var abc = {
            "name": "oblique FGRE",
            "duration": 15,
            "id": "l1cdds16-2496-4116-9f14-626860ba5a4z",
            "taskProtocolId": "protocol://GE@local/adult_abdomen_AbdomenAdditionalSequences_20160410115453425_5/session.xml:3D Calibration BH and FB:3",
            "taskProtocolResource": "protocol://GE@local/adult_abdomen_AbdomenAdditionalSequences_20160410115453425_5/session.xml",
            "state": "READY_TO_EXECUTE",
            "subState": "",
            "taskType": "LxScanningTask",
            "movable": true,
            "operations": {
                "clinicalOperations": [
                    {
                        "operationType": "Execution",
                        "name": "SCAN",
                        "allowed": true
                    },
                    {
                        "operationType": "Execution",
                        "name": "MANUAL_PRESCAN",
                        "allowed": true
                    },
                    {
                        "operationType": "Execution",
                        "name": "AUTO_PRESCAN",
                        "allowed": true
                    },
                    {
                        "name": "CONFIRM",
                        "allowed": false,
                        "operationType": "Prescription"
                    },
                    {
                        "operationType": "prescription",
                        "name": "GET_PARAMETERS",
                        "allowed": true,
                        "applicable": null,
                        "message": null,
                        "url": {
                            "serviceKey": "task-v1",
                            "requestMethod": "GET",
                            "relativePath": "/tasks/l1cdds16-2496-4116-9f14-626860ba5a4z/parameters",
                            "absolutePath": null
                        }
                    },
                    {
                        "operationType": "Prescription",
                        "name": "PRESCRIBE",
                        "allowed": true,
                        "applicable": true,
                        "message": null,
                        "url": {
                            "serviceKey": "task-v1",
                            "requestMethod": "PATCH",
                            "relativePath": "/tasks/l1cdds16-2496-4116-9f14-626860ba5a4z",
                            "absolutePath": null
                        }
                    },
                    {
                        "operationType": "Prescription",
                        "name": "RENAME",
                        "allowed": true,
                        "applicable": true,
                        "message": null,
                        "url": {
                            "serviceKey": "task-v1",
                            "requestMethod": "PUT",
                            "relativePath": "/tasks/l1cdds16-2496-4116-9f14-626860ba5a4z/name",
                            "absolutePath": null
                        }
                    }
                ]
            },
            "context": {
                "examUuid": "df10b24a-e044-410b-954c-217cc23051ef"
            }
        };
for(i=0; i<256; i++){
  obj.push(abc)
}

Tests:

JSON.stringify + JSON.parse Sep
JSON.parse(JSON.stringify(obj));
structuredClone Sep
structuredClone(obj);

Run results for: JSON.stringify + JSON.parse vs structuredClone AJP

JSON.stringify + JSON.parse Sep

structuredClone Sep