Run results for: Immer freeze comparison2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
immer no freeze	920.9 Ops/sec
immer freeze	2181.7 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/immer@9/dist/immer.umd.production.min.js"></script>

Script Preparation code:



var INITIAL_DATA = { items: {}, count: 0, keys: [] }

for (var index = 0; index < 100; index++) {
  INITIAL_DATA[index] = { id: index, name: `ITEM-${index}`, value: Math.random() }
  INITIAL_DATA.count++
  INITIAL_DATA.keys.push(index)
}

var NEW_ITEM_ID = INITIAL_DATA.count +1



var im = immer;

Tests:

immer no freeze
im.setAutoFreeze(false) var produce = im.default data = produce(INITIAL_DATA, draft => { draft.items[NEW_ITEM_ID] = { id: NEW_ITEM_ID, name: 'ITEM-NEW', value: 0 } draft.counter++ draft.keys.push(NEW_ITEM_ID) })
immer freeze
im.setAutoFreeze(true) var produce = im.default data = produce(INITIAL_DATA, draft => { draft.items[NEW_ITEM_ID] = { id: NEW_ITEM_ID, name: 'ITEM-NEW', value: 0 } draft.counter++ draft.keys.push(NEW_ITEM_ID) })

Run results for: Immer freeze comparison2

immer no freeze

immer freeze