Benchmark: Deep copy comparisons (Gosling spec)

Script Preparation code:
var obj = {
  "title": "GIVE",
  "subtitle": "Reimplementation of GenoCAT examples",
  "spacing": 60,
  "arrangement": "vertical",
  "views": [
    {
      "layout": "linear",
      "tracks": [
        {
          "alignment": "overlay",
          "title": "Genes",
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=M9A9klpwTci5Vf4bHZ864g",
            "type": "beddb",
            "genomicFields": [
              {"index": 1, "name": "start"},
              {"index": 2, "name": "end"}
            ],
            "valueFields": [
              {"index": 5, "name": "strand", "type": "nominal"},
              {"index": 3, "name": "name", "type": "nominal"}
            ],
            "exonIntervalFields": [
              {"index": 12, "name": "start"},
              {"index": 13, "name": "end"}
            ]
          },
          "tracks": [
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]},
                {"type": "filter", "field": "strand", "oneOf": ["+"]}
              ],
              "mark": "rect",
              "x": {
                "field": "end",
                "type": "genomic",
                "domain": {"chromosome": "chr17", "interval": [200000, 800000]},
                "axis": "top"
              },
              "size": {"value": 7}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]},
                {"type": "filter", "field": "strand", "oneOf": ["-"]}
              ],
              "mark": "rect",
              "x": {"field": "start", "type": "genomic"},
              "size": {"value": 7}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["exon"]}
              ],
              "mark": "rect",
              "x": {"field": "start", "type": "genomic"},
              "xe": {"field": "end", "type": "genomic"},
              "size": {"value": 14}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]}
              ],
              "mark": "rule",
              "x": {"field": "start", "type": "genomic"},
              "xe": {"field": "end", "type": "genomic"},
              "strokeWidth": {"value": 3}
            }
          ],
          "row": {"field": "strand", "type": "nominal", "domain": ["+", "-"]},
          "color": {"value": "#4050B4"},
          "width": 700,
          "height": 50
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=Zz3CBDSqQ3ySrOSe2yj1eg",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=dc_SOjdCRgq_8PYf6W--7w",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=Nolbrk9kS3CE0jJL_7OW1g",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "alignment": "overlay",
          "data": {
            "url": "https://raw.githubusercontent.com/sehilyi/gemini-datasets/master/data/UCSC.HG38.Human.CytoBandIdeogram.csv",
            "type": "csv",
            "chromosomeField": "Chromosome",
            "genomicFields": ["chromStart", "chromEnd"]
          },
          "tracks": [
            {
              "mark": "rect",
              "dataTransform": [
                {
                  "type": "filter",
                  "field": "Stain",
                  "oneOf": ["acen"],
                  "not": true
                }
              ]
            },
            {
              "mark": "triangleRight",
              "dataTransform": [
                {"type": "filter", "field": "Stain", "oneOf": ["acen"]},
                {"type": "filter", "field": "Name", "include": "q"}
              ]
            },
            {
              "mark": "triangleLeft",
              "dataTransform": [
                {"type": "filter", "field": "Stain", "oneOf": ["acen"]},
                {"type": "filter", "field": "Name", "include": "p"}
              ]
            }
          ],
          "x": {
            "field": "chromStart",
            "type": "genomic",
            "domain": {"chromosome": "chr17", "interval": [20000000, 50000000]}
          },
          "xe": {"field": "chromEnd", "type": "genomic"},
          "color": {"value": "white"},
          "size": {"value": 14},
          "stroke": {"value": "black"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://raw.githubusercontent.com/vigsterkr/circos/master/data/5/segdup.txt",
            "type": "csv",
            "headerNames": ["id", "chr", "p1", "p2"],
            "chromosomePrefix": "hs",
            "chromosomeField": "chr",
            "genomicFields": ["p1", "p2"],
            "separator": " ",
            "longToWideId": "id"
          },
          "dataTransform": [
            {"type": "filter", "field": "chr", "oneOf": ["hs17"]}
          ],
          "mark": "rect",
          "x": {"field": "p1", "type": "genomic"},
          "xe": {"field": "p2", "type": "genomic"},
          "color": {
            "field": "chr_2",
            "type": "nominal",
            "domain": [
              "chr1",
              "chr2",
              "chr3",
              "chr4",
              "chr5",
              "chr6",
              "chr7",
              "chr8",
              "chr9",
              "chr10",
              "chr11",
              "chr12",
              "chr13",
              "chr14",
              "chr15",
              "chr16",
              "chr17",
              "chr18",
              "chr19",
              "chr20",
              "chr21",
              "chr22",
              "chrX",
              "chrY"
            ]
          },
          "opacity": {"value": 0.5},
          "size": {"value": 14},
          "overlayOnPreviousTrack": true,
          "width": 700,
          "height": 40
        }
      ]
    },
    {
      "layout": "linear",
      "tracks": [
        {
          "alignment": "overlay",
          "data": {
            "url": "https://raw.githubusercontent.com/sehilyi/gemini-datasets/master/data/UCSC.HG38.Human.CytoBandIdeogram.csv",
            "type": "csv",
            "chromosomeField": "Chromosome",
            "genomicFields": ["chromStart", "chromEnd"]
          },
          "tracks": [
            {
              "mark": "rect",
              "dataTransform": [
                {
                  "type": "filter",
                  "field": "Stain",
                  "oneOf": ["acen"],
                  "not": true
                }
              ]
            },
            {
              "mark": "triangleRight",
              "dataTransform": [
                {"type": "filter", "field": "Stain", "oneOf": ["acen"]},
                {"type": "filter", "field": "Name", "include": "q"}
              ]
            },
            {
              "mark": "triangleLeft",
              "dataTransform": [
                {"type": "filter", "field": "Stain", "oneOf": ["acen"]},
                {"type": "filter", "field": "Name", "include": "p"}
              ]
            }
          ],
          "x": {"field": "chromStart", "type": "genomic", "axis": "none"},
          "xe": {"field": "chromEnd", "type": "genomic"},
          "color": {"value": "white"},
          "size": {"value": 14},
          "stroke": {"value": "black"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://raw.githubusercontent.com/vigsterkr/circos/master/data/5/segdup.txt",
            "type": "csv",
            "headerNames": ["id", "chr", "p1", "p2"],
            "chromosomePrefix": "hs",
            "chromosomeField": "chr",
            "genomicFields": ["p1", "p2"],
            "separator": " ",
            "longToWideId": "id"
          },
          "dataTransform": [
            {"type": "filter", "field": "chr_2", "oneOf": ["hs1"]}
          ],
          "mark": "rect",
          "x": {"field": "p1_2", "type": "genomic"},
          "xe": {"field": "p2_2", "type": "genomic"},
          "color": {
            "field": "chr",
            "type": "nominal",
            "domain": [
              "chr1",
              "chr2",
              "chr3",
              "chr4",
              "chr5",
              "chr6",
              "chr7",
              "chr8",
              "chr9",
              "chr10",
              "chr11",
              "chr12",
              "chr13",
              "chr14",
              "chr15",
              "chr16",
              "chr17",
              "chr18",
              "chr19",
              "chr20",
              "chr21",
              "chr22",
              "chrX",
              "chrY"
            ]
          },
          "opacity": {"value": 0.5},
          "size": {"value": 14},
          "overlayOnPreviousTrack": true,
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=Zz3CBDSqQ3ySrOSe2yj1eg",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=dc_SOjdCRgq_8PYf6W--7w",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=Nolbrk9kS3CE0jJL_7OW1g",
            "type": "vector",
            "column": "position",
            "value": "peak",
            "binSize": 4
          },
          "mark": "bar",
          "x": {"field": "start", "type": "genomic"},
          "xe": {"field": "end", "type": "genomic"},
          "y": {"field": "peak", "type": "quantitative"},
          "color": {"value": "#8A96D5"},
          "stroke": {"value": "#3C4DB4"},
          "strokeWidth": {"value": 0.5},
          "width": 700,
          "height": 40
        },
        {
          "alignment": "overlay",
          "title": "Genes",
          "data": {
            "url": "https://resgen.io/api/v1/tileset_info/?d=M9A9klpwTci5Vf4bHZ864g",
            "type": "beddb",
            "genomicFields": [
              {"index": 1, "name": "start"},
              {"index": 2, "name": "end"}
            ],
            "valueFields": [
              {"index": 5, "name": "strand", "type": "nominal"},
              {"index": 3, "name": "name", "type": "nominal"}
            ],
            "exonIntervalFields": [
              {"index": 12, "name": "start"},
              {"index": 13, "name": "end"}
            ]
          },
          "tracks": [
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]},
                {"type": "filter", "field": "strand", "oneOf": ["+"]}
              ],
              "mark": "rect",
              "x": {
                "field": "end",
                "type": "genomic",
                "domain": {
                  "chromosome": "chr1",
                  "interval": [109000000, 112000000]
                },
                "axis": "bottom"
              },
              "size": {"value": 7}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]},
                {"type": "filter", "field": "strand", "oneOf": ["-"]}
              ],
              "mark": "rect",
              "x": {"field": "start", "type": "genomic"},
              "size": {"value": 7}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["exon"]}
              ],
              "mark": "rect",
              "x": {"field": "start", "type": "genomic"},
              "xe": {"field": "end", "type": "genomic"},
              "size": {"value": 14}
            },
            {
              "dataTransform": [
                {"type": "filter", "field": "type", "oneOf": ["gene"]}
              ],
              "mark": "rule",
              "x": {"field": "start", "type": "genomic"},
              "xe": {"field": "end", "type": "genomic"},
              "strokeWidth": {"value": 3}
            }
          ],
          "row": {"field": "strand", "type": "nominal", "domain": ["+", "-"]},
          "color": {"value": "#4050B4"},
          "width": 700,
          "height": 50
        }
      ]
    }
  ],
  "style": {"outlineWidth": 0}
}
Tests:
JSON.stringify + JSON.parse
JSON.parse(JSON.stringify(obj));
structuredClone
structuredClone(obj);
Rendered benchmark preparation results:
Suite status: <idle, ready to run>

Previous results
Test case name	Result
JSON.stringify + JSON.parse
structuredClone
Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.
Website Performance Monitoring by Request Metrics
Latest run results:
Run details: (Test run date: 2 months ago)
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0
Browser/OS: Firefox 122 on Mac OS X 10.15
View result in a separate tab
Test name	Executions per second
JSON.stringify + JSON.parse	29284.8 Ops/sec
structuredClone	20423.6 Ops/sec
Deep copy comparisons (Gosling spec) (version: 0)

Comparing performance of: JSON.stringify + JSON.parse vs structuredClone

Created: 2 months ago by: Guest

Jump to the latest result

JSON.stringify + JSON.parse

structuredClone

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A
