1// errorcheck -0 -race
2
3//go:build (linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)
4
5// Copyright 2016 The Go Authors. All rights reserved.
6// Use of this source code is governed by a BSD-style
7// license that can be found in the LICENSE file.
8
9package foo
10
11const benchmarkNumNodes = 10000
12
13func BenchmarkUpdateNodeTransaction(b B) {
14	s, nodeIDs := setupNodes(benchmarkNumNodes)
15	b.ResetTimer()
16	for i := 0; i < b.N(); i++ {
17		_ = s.Update(func(tx1 Tx) error {
18			_ = UpdateNode(tx1, &Node{
19				ID: nodeIDs[i%benchmarkNumNodes],
20			})
21			return nil
22		})
23	}
24}
25
26type B interface {
27	ResetTimer()
28	N() int
29}
30
31type Tx interface {
32}
33
34type Node struct {
35	ID string
36}
37
38type MemoryStore struct {
39}
40
41//go:noinline
42func setupNodes(n int) (s *MemoryStore, nodeIDs []string) {
43	return
44}
45
46//go:noinline
47func (s *MemoryStore) Update(cb func(Tx) error) error {
48	return nil
49}
50
51var sink interface{}
52
53//go:noinline
54func UpdateNode(tx Tx, n *Node) error {
55	sink = tx
56	sink = n
57	return nil
58}
59