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6d0bbd7d7c
## Summary
> [!NOTE]
> Bumping to [24
shards](https://github.com/Comfy-Org/ComfyUI_frontend/pull/13664)
reduces time from 11m14s to 9m31s, but costs 15% more in GitHub Action
runner time. Keep it 16 for now to be conservative and bump to 24 if it
works well for a week
Split Chromium E2E into 16 shards with two Playwright workers each,
preserving the current per-runner worker density while doubling
effective concurrency.
### 16 shards
| Run | E2E time | Shards |
|---|---:|---:|
|
[1](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29370163062)
| 11m38s | 16/16 pass |
|
[2](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29371313957)
| 11m32s | 16/16 pass |
|
[3](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29372283949)
| 10m50s | 16/16 pass |
|
[4](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29373163198)
| 11m00s | 16/16 pass |
|
[5](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29374055787)
| 11m12s | 16/16 pass |
### 24 shards
| Run | E2E time | Shards |
|---|---:|---:|
|
[1](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29379798083)
| 9m13s | 24/24 pass |
|
[2](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29380286857)
| 9m33s | 24/24 pass |
|
[3](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29380761689)
| 9m38s | 24/24 pass |
|
[4](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29381219308)
| 10m02s | 24/24 pass |
|
[5](https://github.com/Comfy-Org/ComfyUI_frontend/actions/runs/29381669526)
| 9m07s | 24/24 pass |
## Changes
- **What**: Run Chromium as 16 shards with explicit `--workers=2`.
## Review Focus
- Compare full E2E time, shard skew, runner queue time, and flakiness
with the 8×2 baseline.
## Validation
- YAML parse and oxfmt check
- Pre-commit formatting, linting, and root typecheck
- Pre-push Knip
- Local CodeRabbit review is rate-limited for 24 minutes; server-side
CodeRabbit remains pending.
Created by Codex
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Changes are limited to CI workflow and Playwright config; no
application runtime, auth, or data paths are touched.
>
> **Overview**
> **Chromium E2E CI** now runs as **16 parallel shards** (up from 8),
with **`workers: 2` on CI** in `playwright.config.ts` so each runner
keeps two Playwright workers while overall concurrency doubles.
>
> Reporter wiring shifts so **blob output is chosen in config** when
`PLAYWRIGHT_BLOB_OUTPUT_DIR` is set (default reporter is `html`
otherwise); workflow steps drop inline `--reporter=blob` from the
Playwright CLI for both sharded Chromium and the other browser matrix
jobs.
>
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
3707e70611. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
---------
Co-authored-by: huang47 <157390+huang47@users.noreply.github.com>