var getdata []string
var setdata []string

// benchmarkMapGet performs gets concurrently
func benchmarkMapGet(b *testing.B, m ConcurrentMap) {
	if len(getdata) < 1 {
		getdata = make([]string, NUM_KEYS)
		for i := range getdata {
			getdata[i] = getRand(64)
		}
	}
	if len(setdata) < 1 {
		setdata = make([]string, NUM_KEYS)
		for i := range getdata {
			setdata[i] = getRand(64)
		}
	}
	start := uint32(0)
	runtime.GC()
	b.ResetTimer()
	b.Run("Get", func(sb *testing.B) {
		sb.RunParallel(func(pb *testing.PB) {
			for pb.Next() {
				atomic.AddUint32(&start, 1)
				_ = m.Get(getdata[start%NUM_KEYS])
			}
		})
	})
}