Wiki Article · Cinematic

Go Performance Optimization

Go performance optimization Go programs ki execution speed, memory efficiency aur throughput…

Overview

Go Performance Optimization — Quick Facts

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Property: Detail

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Category: Performance Engineering

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Language: Go (Golang)

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Primary Profiler: pprof (built-in)

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Category | Performance Engineering | | Language | Go…

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Overview

💡 Go performance optimization ke fundamental principles: 1. Measure before optimizing — gut…

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Profiling with pprof

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Code me kahan time spend ho raha…

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go test -cpuprofile=cpu.prof…

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go tool pprof cpu.prof —…

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Top consumers, call graph,…

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Benchmarking

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func BenchmarkXxx(b *testing.B)…

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b.N loop me code run karo — Go…

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go test -bench=. -benchmem —…

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Benchmark me allocations per…

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Memory Optimization

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Stack allocations fast hain, heap…

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Small values, local variables —…

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Escape analysis decide karta hai —…

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make([]T, 0, expectedSize) —…

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Concurrency Optimization

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Unlimited goroutines mat spawn…

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Worker pool pattern: fixed workers…

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Resource usage controlled rehta hai

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Unbuffered channels…

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String aur Slice Optimization

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String concatenation ke liye…

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+ operator ya fmt.Sprintf loops me…

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Builder single buffer me append…

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[]byte buffers reuse karo — new…

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I/O Optimization

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bufio.Reader / bufio.Writer use…

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Unbuffered I/O = har read/write ek…

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Default buffer size usually…

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HTTP client connection pool reuse…

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Compiler-Assisted Optimization

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go build -gcflags="-m" — compiler…

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Escape = heap allocation = GC…

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Code restructure karke escape…

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-gcflags="-m" se inlining…

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Garbage Collector Tuning

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GC frequency control: GOGC=100…

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GOGC=200 = less frequent GC (more…

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GOGC=50 = more frequent GC (less…

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GOGC=off = GC disable (memory…

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Caching Strategies

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Frequently accessed data memory me…

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sync.Map — concurrent map…

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Third-party: golang-lru, bigcache,…

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Expiration aur eviction policies…

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Go Optimization Techniques Table

⭐ | Technique | Impact Area | Difficulty | Typical Improvement | |---|---|---|---| |…

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Profiling Tools Table

🔑 | Tool | Type | Built-in? | Measures | |---|---|---|---| | pprof (CPU) | Profiler | Yes |…

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Performance Optimization Workflow Diagram

✨ `mermaid flowchart TD A[Performance Issue Reported] --> B[Write Benchmark] B -->…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Go Performance Optimization ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Go Performance Optimization ka 'Category' kya hai?

Complete! 🎉

Go Performance Optimization Complete!

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