# koala_projects

**Repository Path**: rri_opensource/koala_projects

## Basic Information

- **Project Name**: koala_projects
- **Description**: Research and developments of Koala project
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 10
- **Forks**: 67
- **Created**: 2025-02-17
- **Last Updated**: 2025-06-23

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

**Umbrella repo of `incremental engine` and `ArkUI` refactoring project**

# Setup env

Export these env variables:
- `OPENLAB_USERNAME`
- `OPENLAB_PASSWORD`

Install:
- `node.js` `18.20.4 LTS`
- `meson` no older than `0.61`

Make sure the workspace does not contain outdated artifacts of older builds.

# How to build `arkoala.har`

```
$ npm install
$ KOALA_BZ=1 npm run arkoala:har-arm32
$ file ./arkoala/har/app/arkoala/build/default/outputs/default/arkoala.har
```
# How to build `arkoala-arkts.har`

```
$ npm install
$ cd arkoala-arkts
$ KOALA_BZ=1 npm run trivial:all:har-arm32
$ file ./arkoala-arkts/har/app/arkoala/build/default/outputs/default/arkoala.har
```

# How to build `arkoala plugin` and patch `OHOS SDK`

```
$ npm install
$ KOALA_BZ=1 npm run ohos-sdk
$ export HOS_SDK_HOME=`pwd`/arkoala-arkts/ohos-sdk/ohos-sdk
$ KOALA_BZ=1 npm run arkoala:plugin
$ file ${HOS_SDK_HOME}/HarmonyOS-NEXT-DB1/openharmony/ets/build-tools/ets-loader/lib/fast_build/ets_ui/arkoala-plugin.js
```

# How to compare CJ and ArkTS incremetal engine performace

## Cangjie

Go to `incremental-cj/runtime` and `sh CallsiteKey.sh`.
Change directory to `incremental-cj/perf` and `cjpm run`.

```
First frame 0ms
100000 no change frames 4ms
100000 single state change frame 207ms
```

## ArkTS

Go to `incremental/benchmarks/memo-benchmark`.
Run `npm run run:panda`.

```
First frame 2ms
100000 no change frames 23ms
100000 single state change frame 285ms
```

## ArkTS with AOT

Go to `incremental/benchmarks/memo-benchmark`.
Run `npm run run:panda:aot`.

```
First frame 2ms
100000 no change frames 23ms
100000 single state change frame 219ms
```