Performance benchmarking techniques and analysis. Use when measuring performance.
/plugin marketplace add IvanTorresEdge/molcajete.ai/plugin install ivantorresedge-go-tech-stacks-go@IvanTorresEdge/molcajete.aiThis skill inherits all available tools. When active, it can use any tool Claude has access to.
Performance benchmarking techniques for Go.
Use when measuring or comparing performance.
func BenchmarkGetUser(b *testing.B) {
svc := NewService()
ctx := context.Background()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, _ = svc.GetUser(ctx, 1)
}
}
# Run all benchmarks
go test -bench=. -benchmem ./...
# Specific benchmark
go test -bench=BenchmarkGetUser -benchmem
# Multiple runs for accuracy
go test -bench=. -benchmem -count=10
BenchmarkGetUser-8 1000000 1250 ns/op 320 B/op 5 allocs/op
1000000 - iterations1250 ns/op - time per operation320 B/op - bytes allocated5 allocs/op - allocations per operationgo test -bench=. -count=10 > old.txt
# make changes
go test -bench=. -count=10 > new.txt
benchstat old.txt new.txt
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