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chore(agents): Expand perf-tuning scope and parallel agent count#1274

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yamadashy merged 1 commit intomainfrom
chore/improve-perf-tuning-prompt-v2
Mar 21, 2026
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chore(agents): Expand perf-tuning scope and parallel agent count#1274
yamadashy merged 1 commit intomainfrom
chore/improve-perf-tuning-prompt-v2

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@yamadashy
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@yamadashy yamadashy commented Mar 21, 2026

  • Add website/server to investigation target alongside src
  • Increase parallel agent count from team-based to 10 explicit agents

Checklist

  • Run npm run test
  • Run npm run lint

Open with Devin

- Add `website/server` to investigation target alongside `src`
- Increase parallel agent count from team-based to 10 explicit agents

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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coderabbitai bot commented Mar 21, 2026

📝 Walkthrough

Walkthrough

Updated the performance-tuning command documentation to expand scope from src to include website/server. Modified the planning phase to explicitly spawn 10 parallel agents instead of an unspecified agent team approach.

Changes

Cohort / File(s) Summary
Performance-tuning documentation
.agents/commands/code/perf-tuning.md
Extended investigation scope to include website/server alongside existing src coverage. Changed planning step from spawning generic "agent team" to explicitly spawning 10 agents in parallel.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly summarizes the main changes: expanding perf-tuning scope to include website/server and increasing parallel agent count.
Description check ✅ Passed The description covers both key changes and includes completed checklist items, matching the repository's template requirements.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing Touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch chore/improve-perf-tuning-prompt-v2

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✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

Open in Devin Review

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github-actions bot commented Mar 21, 2026

⚡ Performance Benchmark

Latest commit:a1053d0
Status:✅ Benchmark complete!
Ubuntu:2.50s (±0.03s) → 2.52s (±0.02s) · +0.02s (+0.8%)
macOS:1.34s (±0.12s) → 1.39s (±0.18s) · +0.04s (+3.2%)
Windows:2.96s (±0.03s) → 2.94s (±0.03s) · -0.01s (-0.5%)
Details
  • Packing the repomix repository with node bin/repomix.cjs
  • Warmup: 2 runs (discarded)
  • Measurement: 10 runs / 20 on macOS (median ± IQR)
  • Workflow run

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Summary of Changes

Hello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the performance tuning process by broadening the scope of investigation and increasing the number of agents working in parallel. These changes aim to improve the efficiency and thoroughness of performance investigations.

Highlights

  • Scope Expansion: The performance tuning scope is expanded to include website/server in addition to src.
  • Increased Parallelism: The number of parallel agents for investigation is increased to 10, moving away from a team-based approach.

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claude bot commented Mar 21, 2026

Review Summary

Overall: Looks good

This is a minimal, low-risk PR that updates the perf-tuning agent command prompt with two changes:

  1. Expanded scope: Adds website/server as an investigation target alongside src
  2. Explicit agent count: Changes from "agent team" to "10 agents in parallel"

Code Quality

Clean and clear changes. The diff is easy to understand and well-scoped.

Potential Issues

Details

Hardcoded agent count (minor): The change from "agent team" to "10 agents in parallel" is more explicit, which is good for reproducibility. However, the number 10 is somewhat arbitrary — depending on the model/runtime, spawning 10 agents may hit rate limits or context constraints. This is a prompt file though, so it's easy to adjust later.

Scope expansion: Adding website/server makes sense if there are performance-relevant server-side components there. No concerns with this change.

Premortem Analysis

Details
  • Risk: Extremely low. This only modifies an agent command prompt, not application code. No runtime behavior of Repomix itself is affected.
  • Edge case: If website/server doesn't exist or is empty in some checkout scenarios, the spawned agents would simply find nothing to investigate there — no failure expected.
  • Deployment risk: None. This file is not part of the published npm package or the built application.

Verdict

Ship it. No blocking issues.


🤖 Review by Claude

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Code Review

This pull request updates the instructions for a performance tuning agent. The scope is expanded to include the website/server directory, and the number of parallel agents for investigation is explicitly set to 10. While being specific about the agent count is an improvement, hardcoding the number could be inflexible. I've suggested a minor change to frame it as a maximum, which would allow for better adaptability to different environments.

## Investigation & Planning

Spawn an agent team to investigate efficiently and thoroughly, then form an improvement plan.
Spawn 10 agents in parallel to investigate efficiently and thoroughly, then form an improvement plan.
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medium

Hardcoding the number of parallel agents to 10 might not be optimal for all environments, as it doesn't account for varying system resources. It would be more flexible to specify this as a maximum number of agents rather than a fixed count.

Suggested change
Spawn 10 agents in parallel to investigate efficiently and thoroughly, then form an improvement plan.
Spawn up to 10 agents in parallel to investigate efficiently and thoroughly, then form an improvement plan.

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Deploying repomix with  Cloudflare Pages  Cloudflare Pages

Latest commit: a1053d0
Status: ✅  Deploy successful!
Preview URL: https://a6336b37.repomix.pages.dev
Branch Preview URL: https://chore-improve-perf-tuning-pr-xdzi.repomix.pages.dev

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🧹 Nitpick comments (1)
.agents/commands/code/perf-tuning.md (1)

10-10: Document the rationale for 10 parallel agents.

The change from "agent team" to an explicit count of 10 agents improves clarity, but the specific number appears arbitrary without justification. Consider whether this count was determined through testing or benchmarking.

Please confirm:

  • Was the count of 10 agents based on performance testing or resource constraints?
  • Does this number align with the typical size/complexity of the codebase areas being analyzed?

If this was determined empirically, consider adding a brief comment explaining the rationale (e.g., "10 agents balances thoroughness with resource usage for typical investigation scope").

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In @.agents/commands/code/perf-tuning.md at line 10, Update the line "Spawn 10
agents in parallel to investigate efficiently and thoroughly, then form an
improvement plan." to include a brief rationale for the choice of 10 (e.g.,
based on performance testing, resource constraints, or typical codebase
size/complexity); state whether the number was empirically determined and, if
so, summarize the benchmarking or trade-offs (throughput vs. resource usage)
that led to 10, or note that it is an example and suggest how to adjust it for
different environments.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.

Nitpick comments:
In @.agents/commands/code/perf-tuning.md:
- Line 10: Update the line "Spawn 10 agents in parallel to investigate
efficiently and thoroughly, then form an improvement plan." to include a brief
rationale for the choice of 10 (e.g., based on performance testing, resource
constraints, or typical codebase size/complexity); state whether the number was
empirically determined and, if so, summarize the benchmarking or trade-offs
(throughput vs. resource usage) that led to 10, or note that it is an example
and suggest how to adjust it for different environments.

ℹ️ Review info
⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: a119d1ac-206e-4304-9312-e3949b74cb94

📥 Commits

Reviewing files that changed from the base of the PR and between 4f50a98 and a1053d0.

📒 Files selected for processing (1)
  • .agents/commands/code/perf-tuning.md

@yamadashy yamadashy merged commit 4798698 into main Mar 21, 2026
64 checks passed
@yamadashy yamadashy deleted the chore/improve-perf-tuning-prompt-v2 branch March 21, 2026 07:37
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codecov bot commented Mar 21, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.18%. Comparing base (4f50a98) to head (a1053d0).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1274   +/-   ##
=======================================
  Coverage   87.18%   87.18%           
=======================================
  Files         115      115           
  Lines        4324     4324           
  Branches     1002     1002           
=======================================
  Hits         3770     3770           
  Misses        554      554           

☔ View full report in Codecov by Sentry.
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