# Copyright 2021 Max Planck Institute for Software Systems, and # National University of Singapore # # 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. ######################################################################## # This script is for reproducing [Figure 9] in the paper. # # In each simulation, two hosts are connected by a switch # [HOST_0] - [NIC_0] ---- [SWITCH] ---- [NIC_1] - [HOST_1] # server client # # The server host runs netperf server and client host runs TCP_RR and # TCP_STREAM test # # The command to run all the experiments is: # $: python3 run.py pyexps/ae/t1_combination.py --filter nf-* --verbose ######################################################################## from functools import partial import simbricks.nodeconfig as node import simbricks.simulators as sim from simbricks.simulator_utils import create_basic_hosts import simbricks.experiments as exp pci_latency = [10, 50, 100, 500, 1000] experiments = [] for pci_type in pci_latency: e = exp.Experiment('pci-gt-ib-sw-' + f'{pci_type}') net = sim.SwitchNet() net.sync_period = pci_type net.eth_latency = pci_type e.add_network(net) HostClass = sim.Gem5Host e.checkpoint = True # pylint: disable=redefined-outer-name def nic_pci(pci_type: int): n = sim.I40eNIC() n.sync_period = pci_type n.pci_latency = pci_type return n NicClass = partial(nic_pci, pci_type) NcClass = node.I40eLinuxNode # create servers and clients servers = create_basic_hosts( e, 1, 'server', net, NicClass, HostClass, NcClass, node.NetperfServer ) clients = create_basic_hosts( e, 1, 'client', net, NicClass, HostClass, NcClass, node.NetperfClient, ip_start=2 ) for s in servers: s.pci_latency = pci_type s.sync_period = pci_type for c in clients: c.pci_latency = pci_type c.sync_period = pci_type c.wait = True c.node_config.app.server_ip = servers[0].node_config.ip # add to experiments experiments.append(e)