Trigger a performance test when a PR build completes

[AnsisMalins]

Pull Request Description

What does this PR change?

This change adds an action to the PR build workflow to trigger a performance test when the build completes. This is a change to the build workflow, not to the game itself.

Test Instructions

There's no build to test.

Quality Checklist

• Changes have been tested locally
• Documentation has been updated (if required)
• Performance impact has been considered
• For SDK features: Test scene is included

Code Review Reference

Please review our Code Review Standards before submitting.

[charly-bg]

LGTM

[github-actions]

Windows and Mac build successful in Unity Cloud! You can find a link to the downloadable artifact below.

Name	Link
Commit	9d8b19b
Logs	https://github.com/decentraland/unity-explorer/actions/runs/22478205722
Download Windows	https://github.com/decentraland/unity-explorer/suites/58772301799/artifacts/5687035984
Download Windows S3	https://explorer-artifacts.decentraland.org/@dcl/unity-explorer/branch/feat/pr-comment-perf-test/pr-19189-9d8b19b/Decentraland_windows64.zip
Download Mac	https://github.com/decentraland/unity-explorer/suites/58772301799/artifacts/5687061528
Download Mac S3	https://explorer-artifacts.decentraland.org/@dcl/unity-explorer/branch/feat/pr-comment-perf-test/pr-19189-9d8b19b/Decentraland_macos.zip
Built on	2026-02-27T08:44:44Z

Artifact size check

Target	Size (MB / MiB)	Cap (MB)	Δ MB vs release	Δ % vs release	Result
windows64	317.4 / 302.7	320	0	-0.19%	✅ OK
macos	405.2 / 386.5	410	-1	-0.44%	✅ OK

Comparing against: v0.129.0-alpha

[AnsisMalins]

Bing bong!

[AnsisMalins]

Intel Core i3

Change samples: 933
Baseline samples: 896

Metric	Change	Baseline	Delta	Improvement
CPU average	64.1 ms	66.8 ms	-2.7 ms	4.0%	🟢
CPU 1% worst	160.2 ms	186.4 ms	-26.2 ms	14.0%	🟢
CPU 0.1% worst	296.5 ms	425.9 ms	-129.4 ms	30.4%	🟢
GPU average	49.9 ms	51.8 ms	-1.9 ms	3.7%	🟢
GPU 1% worst	64.6 ms	73.3 ms	-8.7 ms	11.8%	🟢
GPU 0.1% worst	68.9 ms	96.0 ms	-27.0 ms	28.2%	🟢

[AnsisMalins]

It's working! 🎉

[AnsisMalins]

Workflow test

PR number: (https://github.com/decentraland/unity-explorer/pull/7229)[7229]
Windows change build
Windows baseline build
macOS change build
macOS baseline build

Intel Core i3

Change samples: 927
Baseline samples: 929

Metric	Change	Baseline	Delta	Improvement
CPU average	64.5 ms	64.5 ms	0.1 ms	-0.1%	🔴
CPU 1% worst	154.8 ms	168.6 ms	-13.9 ms	8.2%	🟢
CPU 0.1% worst	306.3 ms	312.5 ms	-6.2 ms	2.0%	🔴
GPU average	46.7 ms	46.4 ms	0.3 ms	-0.5%	🔴
GPU 1% worst	58.4 ms	58.0 ms	0.4 ms	-0.7%	🔴
GPU 0.1% worst	66.4 ms	60.9 ms	5.5 ms	-9.0%	🔴

[AnsisMalins]

Workflow test

PR number: 7229
Windows change build
Windows baseline build
macOS change build
macOS baseline build

Intel Core i3

Change samples: 1226
Baseline samples: 1236

Metric	Change	Baseline	Delta	Improvement
CPU average	48.8 ms	48.4 ms	0.4 ms	-0.8%	🔴
CPU 1% worst	91.0 ms	88.5 ms	2.5 ms	-2.9%	🔴
CPU 0.1% worst	148.2 ms	175.5 ms	-27.3 ms	15.5%	🟢
GPU average	40.3 ms	40.5 ms	-0.2 ms	0.4%	🔴
GPU 1% worst	46.9 ms	47.7 ms	-0.8 ms	1.6%	🔴
GPU 0.1% worst	49.1 ms	51.0 ms	-1.9 ms	3.8%	🟢

[charly-bg]

LGTM