allocations

gistfile1.txt

var td TrustDomain

func BenchmarkGetTrustDomains(b *testing.B) {
	m := &Manager{
		signingIssuer:    &issuer{TrustDomain: "cluster.local"},
		validatingIssuer: &issuer{TrustDomain: "cluster.local"},
	}
	var t TrustDomain
	b.ReportAllocs()
	for n := 0; n < b.N; n++ {
		t = m.GetTrustDomains()
	}
	td = t
}

var tdString []string

func BenchmarkGetTrustDomainStrings(b *testing.B) {
	m := &Manager{
		signingIssuer:    &issuer{TrustDomain: "cluster.local"},
		validatingIssuer: &issuer{TrustDomain: "cluster.local"},
	}
	var t []string
	for n := 0; n < b.N; n++ {
		t = m.GetTrustDomainsStrings()
	}
	tdString = t
}

gistfile2.txt

func (m *Manager) GetTrustDomains() TrustDomain {
	m.mu.Lock()
	defer m.mu.Unlock()
	return TrustDomain{Signing: m.signingIssuer.TrustDomain, Validating: m.validatingIssuer.TrustDomain}
}

func (m *Manager) GetTrustDomainsStrings() []string {
	m.mu.Lock()
	defer m.mu.Unlock()

	if m.signingIssuer.TrustDomain == m.validatingIssuer.TrustDomain {
		t := make([]string, 1)
		t[0] = m.signingIssuer.TrustDomain
		return t
	}

	t := make([]string, 2)
	t[0] = m.signingIssuer.TrustDomain
	t[1] = m.validatingIssuer.TrustDomain
	return t
}

gistfile3.txt

Running tool: /usr/local/go/bin/go test -benchmem -run=^$ -tags e2e -bench ^BenchmarkGetTrustDomainStrings$ github.com/openservicemesh/osm/pkg/certificate -mod=mod

goos: linux
goarch: amd64
pkg: github.com/openservicemesh/osm/pkg/certificate
cpu: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
BenchmarkGetTrustDomainStrings-8   	28784193	        40.68 ns/op	      16 B/op	       1 allocs/op
PASS
ok  	github.com/openservicemesh/osm/pkg/certificate	1.222s

Running tool: /usr/local/go/bin/go test -benchmem -run=^$ -tags e2e -bench ^BenchmarkGetTrustDomains$ github.com/openservicemesh/osm/pkg/certificate -mod=mod

goos: linux
goarch: amd64
pkg: github.com/openservicemesh/osm/pkg/certificate
cpu: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
BenchmarkGetTrustDomains-8   	59883054	        20.03 ns/op	       0 B/op	       0 allocs/op
PASS
ok  	github.com/openservicemesh/osm/pkg/certificate	1.229s