Run results for: Split vs Substr+IndexOf Performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0

Browser: Chrome 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Substring

87.4M/s

Split

50.0M/s

View exact numbers

Test name	Executions per second
✓ Substring	87,431,976 Ops/sec
Split	49,966,880 Ops/sec

Script Preparation code:

var s1 = "28.9% CPU samples were in `Array.Sort` called from `DiagService.Controllers.PerfCPUController.CpuTask`. We expect this value to be less than 0.7%."

Tests:

Split
var resultSplit = s1.split[1];
Substring
var resultSubstr = s1.substring(s1.indexOf('`') + 1, s1.indexOf('`', s1.indexOf('`') + 1))