refactor(sim/flow): Remove old flow simulator

This change removes the old version of the flow simulator from the
OpenDC repository. The old version has been replaced by the new flow2
framework which is able to simulate flows more efficiently.

1 files changed, 0 insertions, 137 deletions

diff --git a/opendc-simulator/opendc-simulator-flow/src/jmh/kotlin/org/opendc/simulator/flow/FlowBenchmarks.kt b/opendc-simulator/opendc-simulator-flow/src/jmh/kotlin/org/opendc/simulator/flow/FlowBenchmarks.kt
deleted file mode 100644
index 9e0a4a5e..00000000
--- a/opendc-simulator/opendc-simulator-flow/src/jmh/kotlin/org/opendc/simulator/flow/FlowBenchmarks.kt
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2021 AtLarge Research
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package org.opendc.simulator.flow
-
-import kotlinx.coroutines.launch
-import org.opendc.simulator.flow.mux.ForwardingFlowMultiplexer
-import org.opendc.simulator.flow.mux.MaxMinFlowMultiplexer
-import org.opendc.simulator.flow.source.TraceFlowSource
-import org.opendc.simulator.kotlin.runSimulation
-import org.openjdk.jmh.annotations.Benchmark
-import org.openjdk.jmh.annotations.Fork
-import org.openjdk.jmh.annotations.Measurement
-import org.openjdk.jmh.annotations.Scope
-import org.openjdk.jmh.annotations.Setup
-import org.openjdk.jmh.annotations.State
-import org.openjdk.jmh.annotations.Warmup
-import java.util.concurrent.ThreadLocalRandom
-import java.util.concurrent.TimeUnit
-
-@State(Scope.Thread)
-@Fork(1)
-@Warmup(iterations = 2, time = 1, timeUnit = TimeUnit.SECONDS)
-@Measurement(iterations = 5, time = 3, timeUnit = TimeUnit.SECONDS)
-class FlowBenchmarks {
-    private lateinit var trace: Sequence<TraceFlowSource.Fragment>
-
-    @Setup
-    fun setUp() {
-        val random = ThreadLocalRandom.current()
-        val entries = List(1000000) { TraceFlowSource.Fragment(1000, random.nextDouble(0.0, 4500.0)) }
-        trace = entries.asSequence()
-    }
-
-    @Benchmark
-    fun benchmarkSink() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val provider = FlowSink(engine, 4200.0)
-            return@runSimulation provider.consume(TraceFlowSource(trace))
-        }
-    }
-
-    @Benchmark
-    fun benchmarkForward() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val provider = FlowSink(engine, 4200.0)
-            val forwarder = FlowForwarder(engine)
-            provider.startConsumer(forwarder)
-            return@runSimulation forwarder.consume(TraceFlowSource(trace))
-        }
-    }
-
-    @Benchmark
-    fun benchmarkMuxMaxMinSingleSource() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val switch = MaxMinFlowMultiplexer(engine)
-
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-
-            val provider = switch.newInput()
-            return@runSimulation provider.consume(TraceFlowSource(trace))
-        }
-    }
-
-    @Benchmark
-    fun benchmarkMuxMaxMinTripleSource() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val switch = MaxMinFlowMultiplexer(engine)
-
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-
-            repeat(3) {
-                launch {
-                    val provider = switch.newInput()
-                    provider.consume(TraceFlowSource(trace))
-                }
-            }
-        }
-    }
-
-    @Benchmark
-    fun benchmarkMuxExclusiveSingleSource() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val switch = ForwardingFlowMultiplexer(engine)
-
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-
-            val provider = switch.newInput()
-            return@runSimulation provider.consume(TraceFlowSource(trace))
-        }
-    }
-
-    @Benchmark
-    fun benchmarkMuxExclusiveTripleSource() {
-        return runSimulation {
-            val engine = FlowEngine(coroutineContext, clock)
-            val switch = ForwardingFlowMultiplexer(engine)
-
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-            FlowSink(engine, 3000.0).startConsumer(switch.newOutput())
-
-            repeat(2) {
-                launch {
-                    val provider = switch.newInput()
-                    provider.consume(TraceFlowSource(trace))
-                }
-            }
-        }
-    }
-}