diff options
Diffstat (limited to 'simulator/opendc-simulator')
4 files changed, 86 insertions, 14 deletions
diff --git a/simulator/opendc-simulator/opendc-simulator-compute/build.gradle.kts b/simulator/opendc-simulator/opendc-simulator-compute/build.gradle.kts index 149c0ed2..4b0069e3 100644 --- a/simulator/opendc-simulator/opendc-simulator-compute/build.gradle.kts +++ b/simulator/opendc-simulator/opendc-simulator-compute/build.gradle.kts @@ -34,4 +34,5 @@ dependencies { api(project(":opendc-simulator:opendc-simulator-core")) api(project(":opendc-simulator:opendc-simulator-resources")) implementation(project(":opendc-utils")) + implementation("org.yaml:snakeyaml:1.28") } diff --git a/simulator/opendc-simulator/opendc-simulator-compute/src/main/kotlin/org/opendc/simulator/compute/power/InterpolationPowerModel.kt b/simulator/opendc-simulator/opendc-simulator-compute/src/main/kotlin/org/opendc/simulator/compute/power/InterpolationPowerModel.kt index af7b6e6d..69fc0514 100644 --- a/simulator/opendc-simulator/opendc-simulator-compute/src/main/kotlin/org/opendc/simulator/compute/power/InterpolationPowerModel.kt +++ b/simulator/opendc-simulator/opendc-simulator-compute/src/main/kotlin/org/opendc/simulator/compute/power/InterpolationPowerModel.kt @@ -1,33 +1,53 @@ package org.opendc.simulator.compute.power +import org.yaml.snakeyaml.Yaml import kotlin.math.ceil import kotlin.math.floor /** * The linear interpolation power model partially adapted from CloudSim. + * This model is developed to adopt the <a href="http://www.spec.org/power_ssj2008/">SPECpower benchmark</a>. * - * @param maxPower The maximum power draw in Watts of the server. - * @param staticPowerPercent The static power percentage. - * @property staticPower The static power consumption that is not dependent on resource usage. - * It is the amount of energy consumed even when the host is idle. - * @property constPower The constant power consumption for each fraction of resource used. + * @param hardwareName The name of the hardware vendor. + * @see <a href="http://www.spec.org/power_ssj2008/results/res2011q1/">Machines used in the SPEC benchmark</a> + * @property averagePowerValues A [List] of average active power measured by the power analyzer(s) + * and accumulated by the PTDaemon (Power and Temperature Daemon) for this + * measurement interval, displayed as watts (W). */ -public abstract class InterpolationPowerModel : MachinePowerModel { +public class InterpolationPowerModel( + hardwareName: String, +) : MachinePowerModel { + private val averagePowerValues: List<Double> = loadAveragePowerValue(hardwareName) public override fun computeCpuPower(cpuUtil: Double): Double { require(cpuUtil in 0.0..1.0) { "CPU utilization must be in [0, 1]" } val cpuUtilFlr = floor(cpuUtil * 10).toInt() val cpuUtilCil = ceil(cpuUtil * 10).toInt() - val power1: Double = getPowerData(cpuUtilFlr) - val power2: Double = getPowerData(cpuUtilCil) - val delta = (power2 - power1) / 10 + val powerFlr: Double = getAveragePowerValue(cpuUtilFlr) + val powerCil: Double = getAveragePowerValue(cpuUtilCil) + val delta = (powerCil - powerFlr) / 10 return if (cpuUtil % 0.1 == 0.0) - getPowerData((cpuUtil * 10).toInt()) + getAveragePowerValue((cpuUtil * 10).toInt()) else - power1 + delta * (cpuUtil - cpuUtilFlr.toDouble() / 10) * 100 + powerFlr + delta * (cpuUtil - cpuUtilFlr.toDouble() / 10) * 100 } - public abstract fun getPowerData(index: Int): Double + /** + * Gets the power consumption for a given utilization percentage. + * + * @param index the utilization percentage in the scale from [0 to 10], + * where 10 means 100% of utilization. + * @return the power consumption for the given utilization percentage + */ + private fun getAveragePowerValue(index: Int): Double = averagePowerValues[index] + + private fun loadAveragePowerValue(hardwareName: String, path: String = "spec_machines.yml"): List<Double> { + val content = this::class + .java.classLoader + .getResourceAsStream(path) + val hardwareToAveragePowerValues: Map<String, List<Double>> = Yaml().load(content) + return hardwareToAveragePowerValues.getOrDefault(hardwareName, listOf()) + } } diff --git a/simulator/opendc-simulator/opendc-simulator-compute/src/test/kotlin/org/opendc/simulator/compute/power/MachinePowerModelTest.kt b/simulator/opendc-simulator/opendc-simulator-compute/src/test/kotlin/org/opendc/simulator/compute/power/MachinePowerModelTest.kt index 9fdd0363..13bb3668 100644 --- a/simulator/opendc-simulator/opendc-simulator-compute/src/test/kotlin/org/opendc/simulator/compute/power/MachinePowerModelTest.kt +++ b/simulator/opendc-simulator/opendc-simulator-compute/src/test/kotlin/org/opendc/simulator/compute/power/MachinePowerModelTest.kt @@ -1,9 +1,10 @@ package org.opendc.simulator.compute.power -import io.mockk.* import kotlinx.coroutines.ExperimentalCoroutinesApi -import kotlinx.coroutines.flow.* +import org.junit.jupiter.api.Assertions.assertAll import org.junit.jupiter.api.Assertions.assertEquals +import org.junit.jupiter.api.Test +import org.junit.jupiter.api.assertThrows import org.junit.jupiter.params.ParameterizedTest import org.junit.jupiter.params.provider.Arguments import org.junit.jupiter.params.provider.MethodSource @@ -36,6 +37,27 @@ internal class MachinePowerModelTest { assertEquals(0.0, computedPowerConsumption) } + @Test + fun `compute power draw by the SPEC benchmark model`() { + val powerModel = InterpolationPowerModel("IBMx3550M3_XeonX5675") + + assertAll( + { assertThrows<IllegalArgumentException> { powerModel.computeCpuPower(-1.3) } }, + { assertThrows<IllegalArgumentException> { powerModel.computeCpuPower(1.3) } }, + ) + + assertAll( + { assertEquals(58.4, powerModel.computeCpuPower(0.0)) }, + { assertEquals(58.4 + (98 - 58.4) / 5, powerModel.computeCpuPower(0.02)) }, + { assertEquals(98.0, powerModel.computeCpuPower(0.1)) }, + { assertEquals(140.0, powerModel.computeCpuPower(0.5)) }, + { assertEquals(189.0, powerModel.computeCpuPower(0.8)) }, + { assertEquals(189.0 + 0.7 * 10 * (205 - 189) / 10, powerModel.computeCpuPower(0.87)) }, + { assertEquals(205.0, powerModel.computeCpuPower(0.9)) }, + { assertEquals(222.0, powerModel.computeCpuPower(1.0)) }, + ) + } + @Suppress("unused") private companion object { @JvmStatic diff --git a/simulator/opendc-simulator/opendc-simulator-compute/src/test/resources/spec_machines.yml b/simulator/opendc-simulator/opendc-simulator-compute/src/test/resources/spec_machines.yml new file mode 100644 index 00000000..d51cba80 --- /dev/null +++ b/simulator/opendc-simulator/opendc-simulator-compute/src/test/resources/spec_machines.yml @@ -0,0 +1,29 @@ +--- +# The power model of an IBM server x3550 (2 x [Xeon X5675 3067 MHz, 6 cores], 16GB).<br/> +# <a href="http://www.spec.org/power_ssj2008/results/res2011q2/power_ssj2008-20110406-00368.html"> +# http://www.spec.org/power_ssj2008/results/res2011q2/power_ssj2008-20110406-00368.html</a> +IBMx3550M3_XeonX5675: [58.4, 98.0, 109.0, 118.0, 128.0, 140.0, 153.0, 170.0, 189.0, 205.0, 222.0] + # The power model of an IBM server x3550 (2 x [Xeon X5670 2933 MHz, 6 cores], 12GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2010q2/power_ssj2008-20100315-00239.html"> + # http://www.spec.org/power_ssj2008/results/res2010q2/power_ssj2008-20100315-00239.html</a> +IBMx3550M3_XeonX5670: [66.0, 107.0, 120.0, 131.0, 143.0, 156.0, 173.0, 191.0, 211.0, 229.0, 247.0] + # the power model of an IBM server x3250 (1 x [Xeon X3480 3067 MHz, 4 cores], 8GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2010q4/power_ssj2008-20101001-00297.html"> + # http://www.spec.org/power_ssj2008/results/res2010q4/power_ssj2008-20101001-00297.html</a> +IBMx3250M3_XeonX3480: [42.3, 46.7, 49.7, 55.4, 61.8, 69.3, 76.1, 87.0, 96.1, 106.0, 113.0] + # The power model of an IBM server x3250 (1 x [Xeon X3470 2933 MHz, 4 cores], 8GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2009q4/power_ssj2008-20091104-00213.html"> + # http://www.spec.org/power_ssj2008/results/res2009q4/power_ssj2008-20091104-00213.html</a> +IBMx3250M3_XeonX3470: [41.6, 46.7, 52.3, 57.9, 65.4, 73.0, 80.7, 89.5, 99.6, 105.0, 113.0] + # The power model of an HP ProLiant ML110 G5 (1 x [Xeon 3075 2660 MHz, 2 cores], 4GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110124-00339.html"> + # http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110124-00339.html</a> +HPProLiantMl110G5_Xeon3075: [93.7, 97.0, 101.0, 105.0, 110.0, 116.0, 121.0, 125.0, 129.0, 133.0, 135.0] + # The power model of an HP ProLiant ML110 G4 (1 x [Xeon 3040 1860 MHz, 2 cores], 4GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html"> + # http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html</a> +HPProLiantMl110G4_Xeon3040: [86.0, 89.4, 92.6, 96.0, 99.5, 102.0, 106.0, 108.0, 112.0, 114.0, 117.0] + # The power model of an HP ProLiant ML110 G3 (1 x [Pentium D930 3000 MHz, 2 cores], 4GB).<br/> + # <a href="http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html"> + # http://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html</a> +HPProLiantMl110G3_PentiumD930: [105.0, 112.0, 118.0, 125.0, 131.0, 137.0, 147.0, 153.0, 157.0, 164.0, 169.0] |