From 1c0568c31d60d4e690b4b9aec2e14f660b72a5c8 Mon Sep 17 00:00:00 2001 From: Fabian Mastenbroek Date: Wed, 21 Apr 2021 14:30:55 +0200 Subject: simulator: Introduce SimulationCoroutineDispatcher This change introduces the SimulationCoroutineDispatcher implementation which replaces the TestCoroutineDispatcher for running single-threaded simulations. Previously, we used the TestCoroutineDispatcher from the kotlinx-coroutines-test modules for running simulations. However, this module is aimed at coroutine tests and not at simulations. In particular, having to construct a Clock object each time for the TestCoroutineDispatcher caused a lot of unnecessary lines. With the new approach, the SimulationCoroutineDispatcher automatically exposes a usable Clock object. In addition to ergonomic benefits, the SimulationCoroutineDispatcher is much faster than the TestCoroutineDispatcher due to the assumption that simulations run in only a single thread. As a result, the dispatcher does not need to perform synchronization and can use the fast PriorityQueue implementation. --- .../test/kotlin/org/opendc/serverless/service/ServerlessServiceTest.kt | 2 +- .../kotlin/org/opendc/serverless/simulator/SimServerlessServiceTest.kt | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'simulator/opendc-serverless') diff --git a/simulator/opendc-serverless/opendc-serverless-service/src/test/kotlin/org/opendc/serverless/service/ServerlessServiceTest.kt b/simulator/opendc-serverless/opendc-serverless-service/src/test/kotlin/org/opendc/serverless/service/ServerlessServiceTest.kt index bf99d0e7..1ab2d033 100644 --- a/simulator/opendc-serverless/opendc-serverless-service/src/test/kotlin/org/opendc/serverless/service/ServerlessServiceTest.kt +++ b/simulator/opendc-serverless/opendc-serverless-service/src/test/kotlin/org/opendc/serverless/service/ServerlessServiceTest.kt @@ -34,7 +34,7 @@ import org.opendc.serverless.api.ServerlessFunction import org.opendc.serverless.service.deployer.FunctionDeployer import org.opendc.serverless.service.deployer.FunctionInstance import org.opendc.serverless.service.deployer.FunctionInstanceState -import org.opendc.simulator.utils.DelayControllerClockAdapter +import org.opendc.simulator.core.DelayControllerClockAdapter import java.util.* /** diff --git a/simulator/opendc-serverless/opendc-serverless-simulator/src/test/kotlin/org/opendc/serverless/simulator/SimServerlessServiceTest.kt b/simulator/opendc-serverless/opendc-serverless-simulator/src/test/kotlin/org/opendc/serverless/simulator/SimServerlessServiceTest.kt index 3a070475..7411ffa1 100644 --- a/simulator/opendc-serverless/opendc-serverless-simulator/src/test/kotlin/org/opendc/serverless/simulator/SimServerlessServiceTest.kt +++ b/simulator/opendc-serverless/opendc-serverless-simulator/src/test/kotlin/org/opendc/serverless/simulator/SimServerlessServiceTest.kt @@ -42,7 +42,7 @@ import org.opendc.simulator.compute.model.ProcessingNode import org.opendc.simulator.compute.model.ProcessingUnit import org.opendc.simulator.compute.workload.SimFlopsWorkload import org.opendc.simulator.compute.workload.SimWorkload -import org.opendc.simulator.utils.DelayControllerClockAdapter +import org.opendc.simulator.core.DelayControllerClockAdapter /** * A test suite for the [ServerlessService] implementation under simulated conditions. -- cgit v1.2.3