CODEWITHSUNDEEP
javascriptreact-nativejavascript-enginereact-native-hermes
rahul goyal
rahul goyal

Reputation: 145

Measuring the Performance with the Hermes Engine

I am trying to profiling in React Native and using hermes engine. I want measure the time in between a function call. In Js We can use console.time or performace.now but when I am using those fucntion with hermes engine I am getting "Undefined is not a function" Error.

When I am running the same code with Chrome debugger it is working fine.

Can anyone suggest how i can implement the below code with the hermes engine.

const checkTime = () => {
   console.time('time_NoOp');
   doNothing();
   console.timeEnd('time_NoOp');
   
};

.

enter image description here

Upvotes: 3

Views: 936

Answers (1)

rahul goyal
rahul goyal

Reputation: 145

Update:

I am able to solve the problem by using the below code

const PerformanceTime=() => {
   const t0 = performance.now();
   doNothing();
   const t1 = performance.now();
   console.log(t1 - t0);
}

Upvotes: 2

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