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MobX benchmark
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import { makeAutoObservable, makeObservable, observable } from "mobx"; | |
import { DataModel, Model, model, prop } from "mobx-keystone"; | |
import { types } from "mobx-state-tree"; | |
function bench(f: () => { value: number }) { | |
// Warmup | |
let sum = 0; | |
for (let index = 0; index < 100_000; ++index) { | |
sum += f().value; | |
} | |
const start = performance.now(); | |
sum = 0; | |
for (let index = 0; index < 100_000; ++index) { | |
sum += f().value; | |
} | |
return { ms: performance.now() - start, sum }; | |
} | |
const MSTModel = types.model({ | |
value: types.number, | |
str: types.string | |
}); | |
class Clazz { | |
constructor(readonly value: number, readonly str: string) { } | |
} | |
class MobxAutoObservable { | |
constructor(readonly value: number, readonly str: string) { | |
makeAutoObservable(this); | |
} | |
} | |
class MobxObservable { | |
constructor(readonly value: number, readonly str: string) { | |
makeObservable(this, { | |
value: observable, | |
str: observable, | |
}); | |
} | |
} | |
@model("myApp/Model") | |
class MobxKeystoneModel extends Model({ | |
value: prop<number>(), | |
str: prop<string>(), | |
}) {} | |
@model("myApp/DataModel") | |
class MobxKeystoneDataModel extends DataModel({ | |
value: prop<number>(), | |
str: prop<string>(), | |
}) {} | |
const results = { | |
object: bench(() => ({ value: 1, str: "test" })), | |
class: bench(() => new Clazz(0, "test")), | |
mst: bench(() => MSTModel.create({ value: 1, str: "test" })), | |
mobx_ks_model: bench(() => new MobxKeystoneModel({ value: 1, str: "test" })), | |
mobx_ks_data_model: bench(() => new MobxKeystoneDataModel({ value: 1, str: "test" })), | |
mobx_class_auto: bench(() => new MobxAutoObservable(1, "test")), | |
mobx_class_regular: bench(() => new MobxObservable(1, "test")), | |
mobx_object_auto: bench(() => makeAutoObservable({ value: 1, str: "test" })), | |
mobx_object_regular: bench(() => makeObservable({ value: 1, str: "test" }, { value: observable, str: observable })), | |
}; | |
const timings = Object.entries(results); | |
timings.sort((a, b) => b[1].ms - a[1].ms); | |
for(const [name, timing] of timings) { | |
console.log(`${name.padEnd(20)} => ${Math.round(10*timing.ms) / 10}ms`); | |
} |
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