Benchmark: JSON.stringify.indexOf vs For loop 2

Script Preparation code:

a=[
	{
		"AttributeName": "eee",
		"New": "Kate",
		"Old": "Winifred"
	},
	{
		"AttributeName": "eee",
		"New": "Viviene",
		"Old": "Brooks"
	},
	{
		"AttributeName": "bbb",
		"New": "Fayre",
		"Old": "Moyna"
	},
	{
		"AttributeName": "bbb",
		"New": "Camile",
		"Old": "Tani"
	},
	{
		"AttributeName": "aaa",
		"New": "Sherrie",
		"Old": "Cordi"
	},
	{
		"AttributeName": "fff",
		"New": "Xylina",
		"Old": "Marcelline"
	},
	{
		"AttributeName": "ccc",
		"New": "Ruthe",
		"Old": "Elie"
	},
	{
		"AttributeName": "ccc",
		"New": "Marleah",
		"Old": "Minne"
	},
	{
		"AttributeName": "eee",
		"New": "Felice",
		"Old": "Carolina"
	},
	{
		"AttributeName": "bbb",
		"New": "Fina",
		"Old": "Alie"
	},
	{
		"AttributeName": "bbb",
		"New": "Rubie",
		"Old": "Dennie"
	},
	{
		"AttributeName": "bbb",
		"New": "Shirlee",
		"Old": "Dulcinea"
	},
	{
		"AttributeName": "ddd",
		"New": "Dawn",
		"Old": "Rani"
	},
	{
		"AttributeName": "eee",
		"New": "Courtnay",
		"Old": "Janeczka"
	},
	{
		"AttributeName": "ccc",
		"New": "Jean",
		"Old": "Leona"
	},
	{
		"AttributeName": "fff",
		"New": "Karina",
		"Old": "Rochette"
	},
	{
		"AttributeName": "bbb",
		"New": "Chickie",
		"Old": "Penelopa"
	},
	{
		"AttributeName": "fff",
		"New": "Lorenza",
		"Old": "Tera"
	},
	{
		"AttributeName": "ddd",
		"New": "Meg",
		"Old": "Millie"
	},
	{
		"AttributeName": "fff",
		"New": "Thalia",
		"Old": "Cam"
	},
	{
		"AttributeName": "ddd",
		"New": "Lilith",
		"Old": "Jeanna"
	},
	{
		"AttributeName": "aaa",
		"New": "Grier",
		"Old": "Yolane"
	},
	{
		"AttributeName": "aaa",
		"New": "Lynnea",
		"Old": "Kerrin"
	},
	{
		"AttributeName": "ccc",
		"New": "Ekaterina",
		"Old": "Jillayne"
	},
	{
		"AttributeName": "aaa",
		"New": "Blinni",
		"Old": "Esmeralda"
	},
	{
		"AttributeName": "eee",
		"New": "Kimberley",
		"Old": "Ulrike"
	},
	{
		"AttributeName": "ccc",
		"New": "Shauna",
		"Old": "Sue"
	},
	{
		"AttributeName": "bbb",
		"New": "Averyl",
		"Old": "Emylee"
	},
	{
		"AttributeName": "fff",
		"New": "Ebonee",
		"Old": "Adore"
	},
	{
		"AttributeName": "bbb",
		"New": "Sheree",
		"Old": "Phylis"
	},
	{
		"AttributeName": "bbb",
		"New": "Roberta",
		"Old": "Constance"
	},
	{
		"AttributeName": "eee",
		"New": "Agnese",
		"Old": "Jenilee"
	},
	{
		"AttributeName": "fff",
		"New": "Ardeen",
		"Old": "Rubie"
	},
	{
		"AttributeName": "ccc",
		"New": "Kathy",
		"Old": "Minda"
	},
	{
		"AttributeName": "fff",
		"New": "Christal",
		"Old": "Stephanie"
	},
	{
		"AttributeName": "ddd",
		"New": "Hettie",
		"Old": "Tersina"
	},
	{
		"AttributeName": "bbb",
		"New": "Janey",
		"Old": "Bill"
	},
	{
		"AttributeName": "eee",
		"New": "Ira",
		"Old": "Sallie"
	},
	{
		"AttributeName": "fff",
		"New": "Tonia",
		"Old": "Clary"
	},
	{
		"AttributeName": "fff",
		"New": "Paola",
		"Old": "Wilma"
	},
	{
		"AttributeName": "aaa",
		"New": "Esmeralda",
		"Old": "Gui"
	},
	{
		"AttributeName": "ccc",
		"New": "Sibella",
		"Old": "Sybille"
	},
	{
		"AttributeName": "ccc",
		"New": "Beth",
		"Old": "Misha"
	},
	{
		"AttributeName": "ddd",
		"New": "Olwen",
		"Old": "Alisha"
	},
	{
		"AttributeName": "eee",
		"New": "Emelina",
		"Old": "Jany"
	},
	{
		"AttributeName": "bbb",
		"New": "Hannis",
		"Old": "Sean"
	},
	{
		"AttributeName": "ddd",
		"New": "Magdalena",
		"Old": "Kayla"
	},
	{
		"AttributeName": "bbb",
		"New": "Roxane",
		"Old": "Mildrid"
	},
	{
		"AttributeName": "eee",
		"New": "Steffane",
		"Old": "Rosene"
	},
	{
		"AttributeName": "fff",
		"New": "Monika",
		"Old": "Philis"
	},
	{
		"AttributeName": "aaa",
		"New": "Ulrike",
		"Old": "Ida"
	},
	{
		"AttributeName": "ccc",
		"New": "Dale",
		"Old": "Wanda"
	},
	{
		"AttributeName": "ccc",
		"New": "Kayla",
		"Old": "Ileana"
	},
	{
		"AttributeName": "ddd",
		"New": "Gale",
		"Old": "Sarette"
	},
	{
		"AttributeName": "bbb",
		"New": "Bobinette",
		"Old": "Imojean"
	},
	{
		"AttributeName": "fff",
		"New": "Debee",
		"Old": "Trixi"
	},
	{
		"AttributeName": "aaa",
		"New": "Almeta",
		"Old": "Linzy"
	},
	{
		"AttributeName": "bbb",
		"New": "Zsa Zsa",
		"Old": "Heida"
	},
	{
		"AttributeName": "fff",
		"New": "Beverley",
		"Old": "Elyssa"
	},
	{
		"AttributeName": "bbb",
		"New": "Jaclyn",
		"Old": "Kenna"
	},
	{
		"AttributeName": "fff",
		"New": "Katleen",
		"Old": "Sara-Ann"
	},
	{
		"AttributeName": "ddd",
		"New": "Ebonee",
		"Old": "Lindie"
	},
	{
		"AttributeName": "ccc",
		"New": "Meriel",
		"Old": "Berta"
	},
	{
		"AttributeName": "ddd",
		"New": "Mary",
		"Old": "Leanna"
	},
	{
		"AttributeName": "aaa",
		"New": "Robbi",
		"Old": "Kassey"
	},
	{
		"AttributeName": "fff",
		"New": "Lexine",
		"Old": "Alejandra"
	},
	{
		"AttributeName": "eee",
		"New": "Natka",
		"Old": "Kayla"
	},
	{
		"AttributeName": "aaa",
		"New": "Tori",
		"Old": "Gabriellia"
	},
	{
		"AttributeName": "ddd",
		"New": "Romona",
		"Old": "Anallese"
	},
	{
		"AttributeName": "eee",
		"New": "Genevra",
		"Old": "Consuela"
	},
	{
		"AttributeName": "ccc",
		"New": "Eolanda",
		"Old": "Joceline"
	},
	{
		"AttributeName": "ccc",
		"New": "Tersina",
		"Old": "Kary"
	},
	{
		"AttributeName": "bbb",
		"New": "Molli",
		"Old": "Annecorinne"
	},
	{
		"AttributeName": "ddd",
		"New": "Rosaline",
		"Old": "Dari"
	},
	{
		"AttributeName": "fff",
		"New": "Carol-Jean",
		"Old": "Kerrin"
	},
	{
		"AttributeName": "eee",
		"New": "Alie",
		"Old": "Daune"
	},
	{
		"AttributeName": "ccc",
		"New": "Carilyn",
		"Old": "Ekaterina"
	},
	{
		"AttributeName": "fff",
		"New": "Bobinette",
		"Old": "Dagmar"
	},
	{
		"AttributeName": "eee",
		"New": "Susette",
		"Old": "Anica"
	},
	{
		"AttributeName": "ccc",
		"New": "Jordan",
		"Old": "Roberta"
	},
	{
		"AttributeName": "eee",
		"New": "Dianemarie",
		"Old": "Eve"
	},
	{
		"AttributeName": "bbb",
		"New": "Darlleen",
		"Old": "Katharina"
	},
	{
		"AttributeName": "fff",
		"New": "Morganica",
		"Old": "Edee"
	},
	{
		"AttributeName": "aaa",
		"New": "Sean",
		"Old": "Anthia"
	},
	{
		"AttributeName": "aaa",
		"New": "Jennica",
		"Old": "Joy"
	},
	{
		"AttributeName": "ddd",
		"New": "Briney",
		"Old": "Cyndie"
	},
	{
		"AttributeName": "bbb",
		"New": "Iseabal",
		"Old": "Caritta"
	},
	{
		"AttributeName": "fff",
		"New": "Melisent",
		"Old": "Merle"
	},
	{
		"AttributeName": "fff",
		"New": "Glenda",
		"Old": "Lindie"
	},
	{
		"AttributeName": "ddd",
		"New": "Ernesta",
		"Old": "Correy"
	},
	{
		"AttributeName": "bbb",
		"New": "Jobi",
		"Old": "Julieta"
	},
	{
		"AttributeName": "eee",
		"New": "Glynnis",
		"Old": "Maye"
	},
	{
		"AttributeName": "bbb",
		"New": "Gratia",
		"Old": "Christy"
	},
	{
		"AttributeName": "ddd",
		"New": "Celisse",
		"Old": "Chandra"
	},
	{
		"AttributeName": "ddd",
		"New": "Brena",
		"Old": "Dominga"
	},
	{
		"AttributeName": "eee",
		"New": "Dennie",
		"Old": "Celestyna"
	},
	{
		"AttributeName": "fff",
		"New": "Gusty",
		"Old": "Darlleen"
	},
	{
		"AttributeName": "ddd",
		"New": "Marleah",
		"Old": "Leanna"
	},
	{
		"AttributeName": "bbb",
		"New": "Dawn",
		"Old": "Tiffie"
	},
	{
		"AttributeName": "eee",
		"New": "Bobinette",
		"Old": "Selma"
	}
];

Tests:

JSON.stringify.indexOf
var changes = []; if (JSON.stringify(a).indexOf('aaa') > -1) { for(var i=0;i<a.length;i++) { if (JSON.stringify(a[i]).indexOf('aaa') > -1) { changes.push(a[i].New); } } }
For loop
var changes = []; for(var i=0;i<a.length;i++) { if (a[i].AttributeName === 'aaa') { changes.push(a[i].New); } }
JSON.stringify.indexOf - attribute not found
var changes = []; if (JSON.stringify(a).indexOf('iii') > -1) { for(var i=0;i<a.length;i++) { if (JSON.stringify(a[i]).indexOf('iii') > -1) { changes.push(a[i].New); } } }
For loop - attribute not found
var changes = []; for(var i=0;i<a.length;i++) { if (a[i].AttributeName === 'iii') { changes.push(a[i].New); } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON.stringify.indexOf
For loop
JSON.stringify.indexOf - attribute not found
For loop - attribute not found

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
JSON.stringify.indexOf	46244.0 Ops/sec
For loop	2816219.8 Ops/sec
JSON.stringify.indexOf - attribute not found	109807.8 Ops/sec
For loop - attribute not found	3831074.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

It seems like you're presenting a benchmarking result for different JavaScript code snippets.

Based on the provided data, here are some observations and insights:

1. **For loop vs. JSON.stringify.indexOf**: The "For loop" benchmark has a significantly higher execution rate (39162.71875 executions per second) compared to the "JSON.stringify.indexOf" benchmark (8080.95654296875 executions per second). This suggests that the for loop approach is faster than using `indexOf` on the stringified JSON object.
2. **Attribute not found**: The "For loop - attribute not found" and "JSON.stringify.indexOf - attribute not found" benchmarks have similar execution rates (35628.390625 and 8080.95654296875, respectively). This implies that both approaches perform similarly when the attribute is not found in the JSON object.
3. **Browser and device platform**: The raw UA strings indicate that all tests were run on Chrome 90, which is a consistent environment across all benchmarks.
4. **Operating system**: The operating system used for these benchmarks is Mac OS X 10.15.7.

Overall, the results suggest that using a for loop to iterate through the JSON object and checking attributes directly is generally faster than using `indexOf` on the stringified JSON object, especially when the attribute is not found. However, there might be specific edge cases or optimizations in the code that affect the performance.

Related benchmarks:

JSON.stringify.indexOf vs For loop 2 (version: 0)

Comparing performance of: JSON.stringify.indexOf vs For loop vs JSON.stringify.indexOf - attribute not found vs For loop - attribute not found

Created: 5 years ago by: Guest

Jump to the latest result

JSON.stringify.indexOf

For loop

JSON.stringify.indexOf - attribute not found

For loop - attribute not found

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):