ci-benchmark yaml file created

[anishg-bit]

Summary

Add a CI benchmark workflow (ci-benchmark.yml) that runs Go benchmarks in parallel across multiple runner types and compares their performance results.

Changes

• Added .github/workflows/ci-benchmark.yml

What this does

Runner Matrix

Benchmarks run in parallel on three runners simultaneously:

Runner	Type
ubuntu-latest	GitHub standard hosted runner
monkci-runners-4vcpu	MonkCI 4 vCPU runner
monkci-ubuntu-24.04-4-3600iops	MonkCI Ubuntu 24.04, 4 vCPU, 3600 IOPS runner

Jobs

benchmark — runs on each runner in the matrix:

• Checks out the repo
• Sets up the latest stable Go version
• Executes go test -bench=. -benchmem -benchtime=3s ./... across all packages
• Uploads results as a named artifact per runner

compare — runs after all benchmark jobs complete:

• Downloads all benchmark artifacts
• Prints a consolidated side-by-side summary of results

Triggers

Event	Condition
push	On commits to master
pull_request	Targeting master
workflow_dispatch	Manual trigger from GitHub UI

Test Plan

• Trigger workflow manually via workflow_dispatch and confirm all three matrix jobs start
• Verify each runner produces benchmark output
• Confirm compare job downloads and displays results from all three runners
• Check artifacts are uploaded under benchmark-results-<runner-name>

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.37%. Comparing base (3dc1cd6) to head (10554c6).
⚠️ Report is 275 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4625      +/-   ##
==========================================
- Coverage   99.21%   98.37%   -0.84%     
==========================================
  Files          42       48       +6     
  Lines        3182     3138      -44     
==========================================
- Hits         3157     3087      -70     
- Misses         17       42      +25     
- Partials        8        9       +1     

Flag	Coverage Δ
	?
--ldflags="-checklinkname=0" -tags sonic	98.36% <ø> (?)
-tags go_json	98.29% <ø> (?)
-tags nomsgpack	98.35% <ø> (?)
go-1.18	?
go-1.19	?
go-1.20	?
go-1.21	?
go-1.25	98.37% <ø> (?)
go-1.26	98.37% <ø> (?)
macos-latest	98.37% <ø> (-0.84%)	⬇️
ubuntu-latest	98.37% <ø> (-0.84%)	⬇️

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