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[Lane 3 · android] Precision/Recall/F1 — Android target parity check (enable host tests for skainet-backend-cpu)

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2/5
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1-3 小时
新手友好度
58/100
Issue 类型
功能
描述清晰度
描述清楚
活跃度
冷清
技术栈
android, kotlin
领域
mobile-dev, testing

调研方向

Start by checking the Android target configuration for skainet-backends/skainet-backend-cpu and the KMP/Android conventions under build-logic/convention/. Run the listed Gradle tasks command to confirm host-test availability, then identify and run the resulting Android host-test task; report any test failures rather than fixing unrelated ones. Done means posting the exact task and results, toolchain versions, and any target-specific findings on #1222, opening a separate linked bug if needed.

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描述

coding good first issue platform size:s skill:android sub-issue

Sub-issue of #1222 (Precision, Recall and F1Score metrics).

Lane: 3 · Platform verification · Android
Skill needed: Android build tooling — running a Kotlin Multiplatform module's tests on this target. No tensor-internals or metrics knowledge required. The code under test is pure commonMain Kotlin over Double counters; this is a smoke check, not new implementation.
Size: s (~1–2 h — see Notes: host tests are not enabled for this module yet, so the first step is a small build change)
Blocked by: #1229 (F1Score merged to develop), or check out its branch early.

What to do

  1. Check whether skainet-backends/skainet-backend-cpu runs commonTest on the Android
    target at all. As of today it does not: ./gradlew :skainet-backends:skainet-backend-cpu:tasks --all
    warns "The commonTest source directory exists, but android host tests are not
    enabled. To enable android host tests, add withHostTest {} to your android target
    configuration"     and lists no Android test task.
  2. Add withHostTest {} to the module's Android target configuration (the
    com.android.kotlin.multiplatform.library plugin, applied via sk.ainet.multiplatform
    / libs.plugins.androidMultiplatformLibrary — check whether it belongs in the
    convention plugin under build-logic/convention/ so every module gets it, and say
    which you chose in the PR).
  3. Run the resulting host-test task (something like
    ./gradlew :skainet-backends:skainet-backend-cpu:testAndroidHostTest — take the name
    from the task list) and, if you have a device or emulator, the instrumented variant too.

Then, in every case:

  • Confirm the metric tests (sk.ainet.exec.metrics.*) pass and the values match the JVM run
    bit-for-bit — pure Long counting and Double division, so any drift is itself a finding.
  • Report on #1222: target, toolchain versions, pass/fail, wall-clock, anything
    target-specific you hit (an expect/actual gap, a disabled test source set, a task
    that doesn't exist).

Acceptance

  • Result posted on #1222 with the exact Gradle task(s) run
  • If something is wrong, a separate bug issue opened and linked — don't block the
    parent on investigating it here

Notes

Enabling host tests may surface other failing tests in commonTest that have never run
on Android before. If so, that is a real finding: report the list on the parent and open
one bug for it; do not try to fix them in this PR. The kmp / Android conventions live
in build-logic/convention/ — see Explanation → Android NEON kernels via JNI for how
the Android target is wired.

主要语言
Kotlin
星标
52
派生
15
平均合并
1 天 15 小时
30 天内合并 PR
36

环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库，在一个分支上完成修改。
  4. 提交 Pull Request，并在描述里引用这个 Issue 编号。

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