diff --git a/app/src/androidTest/java/net/pokeranalytics/android/PerfsInstrumentedUnitTest.kt b/app/src/androidTest/java/net/pokeranalytics/android/PerfsInstrumentedUnitTest.kt
new file mode 100644
index 00000000..218e63e7
--- /dev/null
+++ b/app/src/androidTest/java/net/pokeranalytics/android/PerfsInstrumentedUnitTest.kt
@@ -0,0 +1,144 @@
+package net.pokeranalytics.android
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import io.realm.Realm
+import io.realm.kotlin.where
+import net.pokeranalytics.android.calculus.Calculator
+import net.pokeranalytics.android.calculus.ComputableGroup
+import net.pokeranalytics.android.calculus.ComputedResults
+import net.pokeranalytics.android.calculus.Stat
+import net.pokeranalytics.android.model.Limit
+import net.pokeranalytics.android.model.realm.*
+import net.pokeranalytics.android.model.utils.Seed
+import org.junit.Test
+import org.junit.runner.RunWith
+import timber.log.Timber
+import java.util.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class PerfsInstrumentedUnitTest : RealmInstrumentedUnitTest() {
+
+	@Test
+	fun testGlobalPerfs() {
+
+		Timber.d("*** start global perfs ")
+
+
+		val realm = mockRealm
+		val app: Context = ApplicationProvider.getApplicationContext()
+
+		realm.beginTransaction()
+		Seed(app).execute(realm)
+		realm.commitTransaction()
+
+		val buyinList = arrayListOf(100.0, 200.0, 300.0, 500.0, 1000.0, 2000.0)
+		val resultsList = arrayListOf(
+			-2500.0, -2000.0, -1500.0, -1000.0, -500.0, 200.0, 1000.0, 1500.0, 2500.0
+		)
+
+		val commitFrequency = 100
+
+		try {
+
+			val realm = Realm.getDefaultInstance()
+			val games = realm.where<Game>().findAll()
+			val bankroll = realm.where<Bankroll>().findAll().firstOrNull()
+
+			// Test endedSessions
+			val sessions = realm.where<Session>().findAll()
+			if (sessions.size < 10) {
+
+				val numberOfSessions = 200
+				Timber.d("*** Start creating ${numberOfSessions} fake computables...")
+
+				val s = Date()
+
+				realm.beginTransaction()
+
+				for (index in 0..numberOfSessions) {
+					Timber.d("index: ${index}")
+
+					if (index % commitFrequency == 0) {
+						Timber.d("****** committing at ${index} computables...")
+						realm.commitTransaction()
+						realm.beginTransaction()
+					}
+
+					val session = Session.newInstance(realm, false, bankroll)
+
+					val calendar = Calendar.getInstance()
+					calendar.set(
+						(2016..2018).random(),
+						(0..11).random(),
+						(0..28).random(),
+						(0..23).random(),
+						(0..59).random()
+					)
+
+					val startDate = calendar.time
+					calendar.add(Calendar.HOUR_OF_DAY, (2..12).random())
+					calendar.add(Calendar.MINUTE, (0..59).random())
+					val endDate = calendar.time
+
+					session.startDate = startDate
+					session.endDate = endDate
+					session.creationDate = startDate
+
+					session.limit = Limit.values().random().ordinal
+					session.game = games.random()
+
+					session.result?.let { result ->
+						result.buyin = buyinList.random()
+						result.netResult = resultsList.random()
+					}
+
+					Timber.d("Session: ${session.computableResult}")
+					Timber.d("Session: ${session.result}")
+				}
+
+				realm.commitTransaction()
+
+				val e = Date()
+				val duration = (e.time - s.time) / 1000.0
+				Timber.d("*** ended in ${duration} seconds")
+
+			}
+
+			realm.close()
+
+		} catch (e: Exception) {
+			Timber.e(e)
+		}
+
+
+
+		val start = System.currentTimeMillis()
+
+		val sessions = realm.where(Session::class.java).findAll()
+		val computableResults = realm.where(ComputableResult::class.java).findAll()
+		val sets = realm.where(SessionSet::class.java).findAll()
+
+		Timber.d("sessions: ${sessions.size}")
+		Timber.d("computableResults: ${computableResults.size}")
+		Timber.d("sets: ${sets.size}")
+
+		val stats: List<Stat> = listOf(Stat.NETRESULT, Stat.AVERAGE)
+		val group = ComputableGroup("test", computableResults, sets, stats)
+
+		val options = Calculator.Options()
+		options.displayedStats = listOf(Stat.STANDARD_DEVIATION_BB_PER_100_HANDS, Stat.STANDARD_DEVIATION)
+
+		val results: ComputedResults = Calculator.compute(group, options)
+
+		Timber.d("*** ended in ${System.currentTimeMillis() - start} milliseconds")
+	}
+
+
+}
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