atomic.Store(&x, 0)
	}
}

func BenchmarkAnd8(b *testing.B) {
	var x [512]uint8 // give byte its own cache line
	sink = &x
	for i := 0; i < b.N; i++ {
		atomic.And8(&x[255], uint8(i))
	}
}

func BenchmarkAnd(b *testing.B) {
	var x [128]uint32 // give x its own cache line
	sink = &x
	for i := 0; i < b.N; i++ {
		atomic.And(&x[63], uint32(i))
	}
}

func BenchmarkAnd8Parallel(b *testing.B) {

			}()
			if errors.As(err, tc) {
				t.Errorf("As(err, %T(%v)) = true, want false", tc, tc)
				return
			}
			t.Errorf("As(err, %T(%v)) did not panic", tc, tc)
		})
	}
}

func BenchmarkIs(b *testing.B) {
	err1 := errors.New("1")
	err2 := multiErr{multiErr{multiErr{err1, errorT{"a"}}, errorT{"b"}}}

	for i := 0; i < b.N; i++ {
		if !errors.Is(err2, err1) {
			b.Fatal("Is failed")
		}
	}

		{"P384", elliptic.P384()},
		{"P521", elliptic.P521()},
	}
	for _, test := range tests {
		curve := test.curve
		b.Run(test.name, func(b *testing.B) {
			f(b, curve)
		})
	}
}

func BenchmarkSign(b *testing.B) {
	benchmarkAllCurves(b, func(b *testing.B, curve elliptic.Curve) {
		r := bufio.NewReaderSize(rand.Reader, 1<<15)
		priv, err := GenerateKey(curve, r)
		if err != nil {
			b.Fatal(err)
		}

	// useful on all architectures.
	var hotAlign, hotRequire int64

	if base.Debug.AlignHot > 0 {
		switch base.Ctxt.Arch.Name {
		// enable this on a case-by-case basis, with benchmarking.
		// currently shown:
		//   good for amd64
		//   not helpful for Apple Silicon
		//
		case "amd64", "386":
			// Align to 64 if 31 or fewer bytes remain in a cache line

//
//	docker run -v $PWD:$PWD -w $PWD --network host quay.io/ssro/dnsperf dnsperf -p 15053 -d input -c 100 -l 30
//
// where `input` contains dns queries to run, such as `echo.default. A`
func BenchmarkDNS(t *testing.B) {
	s := initDNS(t, false)
	t.Run("via-agent-cache-miss", func(b *testing.B) {
		bench(b, s.dnsProxies[0].Address(), "www.bing.com.")
	})
	t.Run("via-agent-cache-hit-fqdn", func(b *testing.B) {

    * **WebSockety**
    * **GraphQL**
    * bardzo proste testy bazujące na HTTPX oraz `pytest`
    * **CORS**
    * **Sesje cookie**
    * ...i więcej.

## Wydajność

	// The following sequence of Match calls used to panic. See issue #10319.
	re.Match(long)     // triggers standard matcher
	re.Match(long[:1]) // triggers backtracker
}

func BenchmarkFind(b *testing.B) {
	b.StopTimer()
	re := MustCompile("a+b+")
	wantSubs := "aaabb"
	s := []byte("acbb" + wantSubs + "dd")
	b.StartTimer()
	b.ReportAllocs()
	for i := 0; i < b.N; i++ {
		subs := re.Find(s)