1 // errorcheck -0 -race 2 3 // Copyright 2016 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 package foo 8 9 const benchmarkNumNodes = 10000 10 11 func BenchmarkUpdateNodeTransaction(b B) { 12 s, nodeIDs := setupNodes(benchmarkNumNodes) 13 b.ResetTimer() 14 for i := 0; i < b.N(); i++ { 15 _ = s.Update(func(tx1 Tx) error { 16 _ = UpdateNode(tx1, &Node{ 17 ID: nodeIDs[i%benchmarkNumNodes], 18 }) 19 return nil 20 }) 21 } 22 } 23 24 type B interface { 25 ResetTimer() 26 N() int 27 } 28 29 type Tx interface { 30 } 31 32 type Node struct { 33 ID string 34 } 35 36 type MemoryStore struct { 37 } 38 39 // go:noinline 40 func setupNodes(n int) (s *MemoryStore, nodeIDs []string) { 41 return 42 } 43 44 //go:noinline 45 func (s *MemoryStore) Update(cb func(Tx) error) error { 46 return nil 47 } 48 49 var sink interface{} 50 51 //go:noinline 52 func UpdateNode(tx Tx, n *Node) error { 53 sink = tx 54 sink = n 55 return nil 56 } 57
