# Concurrency Handoff — Go

## Domain
Concurrency / Goroutines

## Environment
- Go version: {{version}}
- Module: {{module_name}}
- Race detector: enabled
- GOMAXPROCS: {{value}}

## Baseline
- Block profile hotspots:
  1. {{func}} — {{ms}} ms wait time
  2. ...
- Mutex profile hotspots:
  1. {{lock}} — {{ms}} ms contention
  2. ...
- Goroutine count under load: {{N}}

## Experiments
| # | Target | Category | Result | ns/op Before | ns/op After | Block Before | Block After | Notes |
|---|--------|----------|--------|-------------|-------------|-------------|-------------|-------|

## Current State
- Branch: `codeflash/optimize`
- Last experiment: #{{N}}
- Next target: {{description}}

## Discoveries
- {{what worked, what didn't}}
