mirror of
https://github.com/golang/go
synced 2024-11-02 13:42:29 +00:00
7e64377903
Consolidate decision about whether -race and -msan options are supported in cmd/internal/sys. Use consolidated functions in cmd/compile and cmd/go. Use a copy of them in cmd/dist; cmd/dist can't import cmd/internal/sys because Go 1.4 doesn't have it. Fixes #24315 Change-Id: I9cecaed4895eb1a2a49379b4848db40de66d32a9 Reviewed-on: https://go-review.googlesource.com/121816 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
57 lines
1,001 B
Go
57 lines
1,001 B
Go
// errorcheck -0 -race
|
|
// +build linux,amd64 linux,ppc64le darwin,amd64 freebsd,amd64 netbsd,amd64 windows,amd64
|
|
|
|
// Copyright 2016 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package foo
|
|
|
|
const benchmarkNumNodes = 10000
|
|
|
|
func BenchmarkUpdateNodeTransaction(b B) {
|
|
s, nodeIDs := setupNodes(benchmarkNumNodes)
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N(); i++ {
|
|
_ = s.Update(func(tx1 Tx) error {
|
|
_ = UpdateNode(tx1, &Node{
|
|
ID: nodeIDs[i%benchmarkNumNodes],
|
|
})
|
|
return nil
|
|
})
|
|
}
|
|
}
|
|
|
|
type B interface {
|
|
ResetTimer()
|
|
N() int
|
|
}
|
|
|
|
type Tx interface {
|
|
}
|
|
|
|
type Node struct {
|
|
ID string
|
|
}
|
|
|
|
type MemoryStore struct {
|
|
}
|
|
|
|
// go:noinline
|
|
func setupNodes(n int) (s *MemoryStore, nodeIDs []string) {
|
|
return
|
|
}
|
|
|
|
//go:noinline
|
|
func (s *MemoryStore) Update(cb func(Tx) error) error {
|
|
return nil
|
|
}
|
|
|
|
var sink interface{}
|
|
|
|
//go:noinline
|
|
func UpdateNode(tx Tx, n *Node) error {
|
|
sink = tx
|
|
sink = n
|
|
return nil
|
|
}
|