include src/surf/ptask_L07.cpp
include src/surf/ptask_L07.hpp
include src/surf/sg_platf.cpp
-include src/surf/sio_S22.cpp
-include src/surf/sio_S22.hpp
include src/surf/surf_interface.cpp
include src/surf/surf_interface.hpp
include src/surf/xml/platf.hpp
* routes and later create the respective surf actions */
auto net_model = from_->get_netpoint()->get_englobing_zone()->get_network_model();
- surf_action_ = net_model->communicate(from_, to_, size_, rate_);
+ surf_action_ = net_model->communicate(from_, to_, size_, rate_, false);
surf_action_->set_activity(this);
surf_action_->set_category(get_tracing_category());
set_start_time(surf_action_->get_start_time());
* @param rate Allows to limit the transfer rate. Negative value means unlimited.
* @return The action representing the communication
*/
- virtual Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) = 0;
+ virtual Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed) = 0;
double next_occurring_event_full(double now) override;
return -1.0;
}
+Action* HostCLM03Model::io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
+ double size)
+{
+ auto net_model = src_host->get_englobing_zone()->get_network_model();
+ auto system = net_model->get_maxmin_system();
+ auto* action = net_model->communicate(src_host, dst_host, size, -1, true);
+
+ size_t nb_disks = 0;
+ if (src_disk != nullptr)
+ nb_disks++;
+ if (dst_disk != nullptr)
+ nb_disks++;
+
+ // We don't want to apply the network model bandwidth factor to the I/O constraints
+ double bw_factor = net_model->get_bandwidth_factor();
+ if (src_disk != nullptr){
+ //FIXME: if the stream starts from a disk, we might not want to pay the network latency
+ system->expand(src_disk->get_constraint(), action->get_variable(), bw_factor);
+ system->expand(src_disk->get_read_constraint(), action->get_variable(), bw_factor);
+ }
+ if (dst_disk != nullptr){
+ system->expand(dst_disk->get_constraint(), action->get_variable(), bw_factor);
+ system->expand(dst_disk->get_write_constraint(), action->get_variable(), bw_factor);
+ }
+
+ return action;
+}
+
Action* HostCLM03Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
const double* bytes_amount, double rate)
{
if ((host_list.size() == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) {
action = host_list[0]->get_cpu()->execution_start(flops_amount[0], rate);
} else if ((host_list.size() == 1) && (has_cost(flops_amount, 0) <= 0)) {
- action = net_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate);
+ action = net_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate, false);
} else if ((host_list.size() == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) {
int nb = 0;
double value = 0.0;
}
}
if (nb == 1) {
- action = net_model->communicate(host_list[0], host_list[1], value, rate);
+ action = net_model->communicate(host_list[0], host_list[1], value, rate, false);
} else if (nb == 0) {
xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the "
"ptask model");
Action* execute_thread(const s4u::Host* host, double flops_amount, int thread_count) override;
Action* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
const double* bytes_amount, double rate) override;
- Action* io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk, double size) override { return nullptr; }
+ Action* io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk, double size) override;
};
} // namespace simgrid::kernel::resource
}
void NetworkCm02Model::comm_action_set_variable(NetworkCm02Action* action, const std::vector<StandardLinkImpl*>& route,
- const std::vector<StandardLinkImpl*>& back_route)
+ const std::vector<StandardLinkImpl*>& back_route, bool streamed)
{
size_t constraints_per_variable = route.size();
constraints_per_variable += back_route.size();
+ if (streamed) {
+ // setting the number of variable for a communication action involved in a I/O streaming operation
+ // requires to reserve some extra space for the constraints related to the source disk (global and read
+ // bandwidth) and destination disk (global and write bandwidth). We thus add 4 constraints.
+ constraints_per_variable += 4;
+ }
if (action->latency_ > 0) {
action->set_variable(get_maxmin_system()->variable_new(action, 0.0, -1.0, constraints_per_variable));
}
}
-Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed)
{
double latency = 0.0;
std::vector<StandardLinkImpl*> back_route;
comm_action_set_bounds(src, dst, size, action, route, netzones, rate);
/* creating the maxmin variable associated to this action */
- comm_action_set_variable(action, route, back_route);
+ comm_action_set_variable(action, route, back_route, streamed);
/* expand maxmin system to consider this communication in bw constraint for each link in route and back_route */
comm_action_expand_constraints(src, dst, action, route, back_route);
const std::unordered_set<kernel::routing::NetZoneImpl*>& netzones, double rate) const;
/** @brief Create maxmin variable in communication action */
void comm_action_set_variable(NetworkCm02Action* action, const std::vector<StandardLinkImpl*>& route,
- const std::vector<StandardLinkImpl*>& back_route);
+ const std::vector<StandardLinkImpl*>& back_route, bool streamed);
public:
explicit NetworkCm02Model(const std::string& name);
StandardLinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) override;
void update_actions_state_lazy(double now, double delta) override;
void update_actions_state_full(double now, double delta) override;
- Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
+ Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed) override;
};
/************
* Action *
**********/
class NetworkCm02Action : public NetworkAction {
- friend Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate);
+ friend Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate,
+ bool streamed);
public:
using NetworkAction::NetworkAction;
}
}
-Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double /*rate*/)
+Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double /*rate*/,
+ bool /*streamed*/)
{
return (new NetworkConstantAction(this, *src, *dst, size));
}
class NetworkConstantModel : public NetworkModel {
public:
using NetworkModel::NetworkModel;
- Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
+ Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed) override;
double next_occurring_event(double now) override;
void update_actions_state(double now, double delta) override;
return link;
}
-Action* NetworkNS3Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+Action* NetworkNS3Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool /*streamed*/)
{
xbt_assert(rate == -1,
"Communication over ns-3 links cannot specify a specific rate. Please use -1 as a value instead of %f.",
~NetworkNS3Model() override;
StandardLinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidth) override;
StandardLinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidth) override;
- Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
+ Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed) override;
double next_occurring_event(double now) override;
bool next_occurring_event_is_idempotent() override { return false; }
void update_actions_state(double now, double delta) override;
update_bound();
}
-Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool /* streamed */)
{
std::vector<s4u::Host*> host_list = {src, dst};
const auto* flops_amount = new double[2]();
StandardLinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths) final;
StandardLinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) override;
- Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) override;
+ Action* communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed) override;
void update_actions_state(double /*now*/, double /*delta*/) override{
/* this action is done by HostL07Model which shares the LMM system with the CPU model
* Overriding to an empty function here allows us to handle the Cpu07Model as a regular
friend CpuAction* CpuL07::sleep(double duration);
friend CpuAction* HostL07Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
const double* bytes_amount, double rate);
- friend Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate);
+ friend Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool streamed);
/**
* @brief Calculate the CPU bound for the parallel task
*
+++ /dev/null
-/* Copyright (c) 2022. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <simgrid/kernel/routing/NetZoneImpl.hpp>
-#include <simgrid/s4u/Engine.hpp>
-#include <xbt/config.hpp>
-
-#include "simgrid/config.h"
-#include "src/kernel/EngineImpl.hpp"
-#include "src/surf/sio_S22.hpp"
-
-#include <unordered_set>
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
-XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
-
-/***********
- * Options *
- ***********/
- static simgrid::config::Flag<std::string> cfg_sio_solver("host/sio_solver",
- "Set linear equations solver used by sio model",
- "maxmin",
- &simgrid::kernel::lmm::System::validate_solver);
-
-/**************************************/
-/*** Resource Creation & Destruction **/
-/**************************************/
-void surf_host_model_init_sio_S22()
-{
- XBT_CINFO(xbt_cfg, "Switching to the S22 model to handle streaming I/Os.");
- simgrid::config::set_default<bool>("network/crosstraffic", true);
- auto host_model = std::make_shared<simgrid::kernel::resource::HostS22Model>("Host_Sio");
- surf_network_model_init_LegrandVelho();
- surf_cpu_model_init_Cas01();
- surf_disk_model_init_S19();
-
- auto* engine = simgrid::kernel::EngineImpl::get_instance();
- engine->add_model(host_model);
- engine->get_netzone_root()->set_host_model(host_model);
-}
-
-namespace simgrid::kernel::resource {
-
-HostS22Model::HostS22Model(const std::string& name) : HostModel(name)
-{
- set_maxmin_system(lmm::System::build(cfg_sio_solver.get(), true /* selective update */));
-}
-
-double HostS22Model::next_occurring_event(double now)
-{
- double min = HostModel::next_occurring_event_full(now);
- for (Action const& action : *get_started_action_set()) {
- const auto& net_action = static_cast<const S22Action&>(action);
- if (net_action.get_latency() > 0 && (min < 0 || net_action.get_latency() < min)) {
- min = net_action.get_latency();
- XBT_DEBUG("Updating min with %p (start %f): %f", &net_action, net_action.get_start_time(), min);
- }
- }
- XBT_DEBUG("min value: %f", min);
-
- return min;
-}
-
-void HostS22Model::update_actions_state(double /*now*/, double delta)
-{
- for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
- auto& action = static_cast<S22Action&>(*it);
- ++it; // increment iterator here since the following calls to action.finish() may invalidate it
- if (action.get_latency() > 0) {
- if (action.get_latency() > delta) {
- action.update_latency(delta, sg_surf_precision);
- } else {
- action.set_latency(0.0);
- }
- if ((action.get_latency() <= 0.0) && (action.is_suspended() == 0)) {
- action.update_bound();
- get_maxmin_system()->update_variable_penalty(action.get_variable(), 1.0);
- action.set_last_update();
- }
- }
- XBT_DEBUG("Action (%p) : remains (%g) updated by %g.", &action, action.get_remains(), action.get_rate() * delta);
- action.update_remains(action.get_rate() * delta);
- action.update_max_duration(delta);
-
- XBT_DEBUG("Action (%p) : remains (%g).", &action, action.get_remains());
-
- if (((action.get_remains() <= 0) && (action.get_variable()->get_penalty() > 0)) ||
- ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
- action.finish(Action::State::FINISHED);
- continue;
- }
- }
-}
-
-DiskAction* HostS22Model::io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
- double size)
-{
- return new S22Action(this, src_host, src_disk, dst_host, dst_disk, size);
-}
-
-Action* HostS22Model::execute_thread(const s4u::Host* host, double flops_amount, int thread_count)
-{
- /* Create a single action whose cost is thread_count * flops_amount and that requests thread_count cores. */
- return host->get_cpu()->execution_start(thread_count * flops_amount, thread_count, -1);
-}
-
-/**********
- * Action *
- **********/
-void S22Action::update_bound() const
-{
- double bound = std::numeric_limits<double>::max();
- if (src_disk_)
- bound = std::min(bound, src_disk_->get_read_bandwidth());
- if (dst_disk_)
- bound = std::min(bound, dst_disk_->get_write_bandwidth());
- if (src_host_ != dst_host_) {
- double lat = 0.0;
- std::vector<StandardLinkImpl*> route;
- src_host_->route_to(dst_host_, route, &lat);
- if (lat > 0)
- bound = std::min(bound,NetworkModel::cfg_tcp_gamma / (2.0 * lat));
- }
-
- XBT_DEBUG("action (%p) : bound = %g", this, bound);
-
- /* latency has been paid (or no latency), we can set the appropriate bound for network limit */
- if ((bound < std::numeric_limits<double>::max()) && (latency_ <= 0.0))
- get_model()->get_maxmin_system()->update_variable_bound(get_variable(), bound);
- }
-
-S22Action::S22Action(Model* model, s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk, double size)
- : DiskAction(model, size, false)
- , src_host_(src_host)
- , src_disk_(src_disk)
- , dst_host_(dst_host)
- , dst_disk_(dst_disk)
- , size_(size)
-{
- this->set_last_update();
-
- size_t disk_nb = 0;
- if (src_disk_ != nullptr)
- disk_nb++;
- if (dst_disk_ != nullptr)
- disk_nb++;
-
- /* there should always be a route between src_host and dst_host (loopback_ for self communication at least) */
- std::vector<StandardLinkImpl*> route;
- src_host_->route_to(dst_host_, route, &latency_);
- size_t link_nb = route.size();
-
- XBT_DEBUG("Creating a stream io (%p) with %zu disk(s) and %zu unique link(s).", this, disk_nb, link_nb);
-
- set_variable(model->get_maxmin_system()->variable_new(this, 1.0, -1.0, 2 * disk_nb + link_nb));
-
- if (latency_ > 0)
- model->get_maxmin_system()->update_variable_penalty(get_variable(), 0.0);
-
- /* Expand it for the disks even if there is nothing to read/write, to make sure that it gets expended even if there is no
- * communication either */
- if (src_disk_ != nullptr){
- model->get_maxmin_system()->expand(src_disk_->get_constraint(), get_variable(), 1);
- model->get_maxmin_system()->expand(src_disk->get_read_constraint(), get_variable(), 1);
- }
- if (dst_disk_ != nullptr){
- model->get_maxmin_system()->expand(dst_disk_->get_constraint(), get_variable(), 1);
- model->get_maxmin_system()->expand(dst_disk_->get_write_constraint(), get_variable(), 1);
- }
-
- for (auto const& link : route)
- model->get_maxmin_system()->expand(link->get_constraint(), get_variable(), 1);
-
- if (size <= 0) {
- this->set_cost(1.0);
- this->set_remains(0.0);
- }
-
- /* finally calculate the initial bound value */
- update_bound();
-}
-} // namespace simgrid::kernel::resource
+++ /dev/null
-/* Copyright (c) 2022. The SimGrid Team. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-
-#include "src/kernel/resource/NetworkModel.hpp"
-#include "src/surf/HostImpl.hpp"
-#include <xbt/base.h>
-
-#ifndef SIO_S22_HPP_
-#define SIO_S22_HPP_
-
-namespace simgrid::kernel::resource {
-
-/***********
- * Classes *
- ***********/
-
-class XBT_PRIVATE HostS22Model;
-class XBT_PRIVATE S22Action;
-
-/*********
- * Model *
- *********/
-class HostS22Model : public HostModel {
-public:
- HostS22Model(const std::string& name);
- HostS22Model(const HostS22Model&) = delete;
- HostS22Model& operator=(const HostS22Model&) = delete;
-
- double next_occurring_event(double now) override;
- void update_actions_state(double now, double delta) override;
- Action* execute_thread(const s4u::Host* host, double flops_amount, int thread_count) override;
- CpuAction* execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
- const double* bytes_amount, double rate) override { return nullptr; }
- DiskAction* io_stream(s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk,
- double size) override;
-};
-
-/**********
- * Action *
- **********/
-
-class S22Action : public DiskAction {
- const s4u::Host* src_host_;
- const DiskImpl* src_disk_;
- const s4u::Host* dst_host_;
- const DiskImpl* dst_disk_;
-
- const double size_;
- double latency_ = 0;
-
-public:
- S22Action() = delete;
- S22Action(Model* model, s4u::Host* src_host, DiskImpl* src_disk, s4u::Host* dst_host, DiskImpl* dst_disk, double size);
- S22Action(const S22Action&) = delete;
- S22Action& operator=(const S22Action&) = delete;
- ~S22Action() override = default;
-
- void update_bound() const;
- double get_latency() const { return latency_; }
- void set_latency(double latency) { latency_ = latency; }
- void update_latency(double delta, double precision) { double_update(&latency_, delta, precision); }
-};
-
-} // namespace simgrid::kernel::resource
-
-#endif /* SIO_S22_HPP_ */
&surf_host_model_init_compound},
{"ptask_L07", "Host model somehow similar to Cas01+CM02+S19 but allowing parallel tasks",
&surf_host_model_init_ptask_L07},
- {"sio_S22", "Host model somehow similar to Cas01+CM02+S19 but allowing streaming I/Os",
- &surf_host_model_init_sio_S22},
};
const std::vector<surf_model_description_t> surf_optimization_mode_description = {
* equal share of the model to each action.
*/
XBT_PUBLIC void surf_host_model_init_ptask_L07();
-XBT_PUBLIC void surf_host_model_init_sio_S22();
/* --------------------
* Model Descriptions
XBT_INFO(" Total : %.6f seconds", sg4::Engine::get_clock());
XBT_INFO("[Bob -> Alice] Store and Forward (100 blocks)");
- sg4::IoPtr read = bob_disk->read_async(size / 100);
- sg4::CommPtr transfer = sg4::Comm::sendto_async(bob, alice, size / 100);
- sg4::IoPtr write = alice_disk->write_async(size / 100);
+ size_t block_size = size / 100;
+ sg4::IoPtr read = bob_disk->read_async(block_size);
+ sg4::CommPtr transfer = sg4::Comm::sendto_async(bob, alice, block_size);
+ sg4::IoPtr write = alice_disk->write_async(block_size);
clock = sg4::Engine::get_clock();
for (int i = 0; i < 99; i++){
read->wait();
- read = bob_disk->read_async(size / 100);
+ read = bob_disk->read_async(block_size);
transfer->wait();
- transfer = sg4::Comm::sendto_async(bob, alice, size / 100);
+ transfer = sg4::Comm::sendto_async(bob, alice, block_size);
write->wait();
- write = alice_disk->write_async(size / 100);
+ write = alice_disk->write_async(block_size);
}
read->wait();
sg4::Io::streamto(bob, bob_disk, alice, alice_disk, size);
XBT_INFO(" Total : %.6f seconds", sg4::Engine::get_clock() - clock);
- XBT_INFO("[Bob -> Alice] Streaming (Write bottleneck)");
+ XBT_INFO("[Alice -> Bob] Streaming (Write bottleneck)");
clock = sg4::Engine::get_clock();
sg4::Io::streamto(alice, alice_disk, bob, bob_disk, size);
XBT_INFO(" Total : %.6f seconds", sg4::Engine::get_clock() - clock);
zone->add_route(bob->get_netpoint(), alice->get_netpoint(), nullptr, nullptr, {link}, true);
bob->create_disk("bob_disk", "1MBps", "500kBps");
- alice->create_disk("alice_disk", 4e6, 4e6);
+ alice->create_disk("alice_disk", "4MBps", "4MBps");
zone->seal();
#!/usr/bin/env tesh
-$ ${bindir:=.}/io-stream --cfg=host/model:sio_S22 "--log=root.fmt:[%10.6r]%e[%i:%a@%h]%e%m%n"
-> [ 0.000000] [0:maestro@] Configuration change: Set 'host/model' to 'sio_S22'
-> [ 0.000000] [0:maestro@] Switching to the S22 model to handle streaming I/Os.
-> [ 0.000000] [1:streamer@bob] [Bob -> Alice] Store and Forward (1 block)
-> [ 4.000000] [1:streamer@bob] Read : 4.000000 seconds
-> [ 6.165599] [1:streamer@bob] Send : 2.165599 seconds
-> [ 7.165599] [1:streamer@bob] Write : 1.000000 seconds
-> [ 7.165599] [1:streamer@bob] Total : 7.165599 seconds
-> [ 7.165599] [1:streamer@bob] [Bob -> Alice] Store and Forward (100 blocks)
-> [ 11.165518] [1:streamer@bob] Total : 3.999919 seconds
-> [ 11.165518] [1:streamer@bob] [Bob -> Alice] Streaming (Read bottleneck)
-> [ 15.165568] [1:streamer@bob] Total : 4.000050 seconds
-> [ 15.165568] [1:streamer@bob] [Bob -> Alice] Streaming (Write bottleneck)
-> [ 27.234930] [1:streamer@bob] Total : 12.069362 seconds
-> [ 27.234930] [1:streamer@bob] Start two 10-second background traffic between Bob and Alice
-> [ 27.234930] [1:streamer@bob] [Bob -> Alice] Streaming (Transfer bottleneck)
-> [ 45.285733] [1:streamer@bob] Total : 18.050803 seconds
-> [ 45.285733] [1:streamer@bob] [Bob -> Alice] Streaming "from disk to memory" (no write)
-> [ 49.285783] [1:streamer@bob] Total : 4.000050 seconds
-> [ 49.285783] [1:streamer@bob] [Bob -> Alice] Streaming "from memory to disk" (no read)
-> [ 51.285833] [1:streamer@bob] Total : 2.000050 seconds
-> [ 51.285833] [1:streamer@bob] [Bob -> Bob] Disk to disk (no transfer)
-> [ 59.285833] [1:streamer@bob] Total : 8.000000 seconds
\ No newline at end of file
+$ ${bindir:=.}/io-stream --cfg=network/model:CM02 --cfg=network/crosstraffic:0 "--log=root.fmt:[%10.6r]%e%m%n"
+> [ 0.000000] Configuration change: Set 'network/model' to 'CM02'
+> [ 0.000000] Configuration change: Set 'network/crosstraffic' to '0'
+> [ 0.000000] [Bob -> Alice] Store and Forward (1 block)
+> [ 4.000000] Read : 4.000000 seconds
+> [ 6.000050] Send : 2.000050 seconds
+> [ 7.000050] Write : 1.000000 seconds
+> [ 7.000050] Total : 7.000050 seconds
+> [ 7.000050] [Bob -> Alice] Store and Forward (100 blocks)
+> [ 11.000050] Total : 4.000000 seconds
+> [ 11.000050] [Bob -> Alice] Streaming (Read bottleneck)
+> [ 15.000100] Total : 4.000050 seconds
+> [ 15.000100] [Alice -> Bob] Streaming (Write bottleneck)
+> [ 23.000150] Total : 8.000050 seconds
+> [ 23.000150] Start two 10-second background traffic between Bob and Alice
+> [ 23.000150] [Bob -> Alice] Streaming (Transfer bottleneck)
+> [ 29.000200] Total : 6.000050 seconds
+> [ 45.000200] [Bob -> Alice] Streaming "from disk to memory" (no write)
+> [ 49.000250] Total : 4.000050 seconds
+> [ 49.000250] [Bob -> Alice] Streaming "from memory to disk" (no read)
+> [ 51.000300] Total : 2.000050 seconds
+> [ 51.000300] [Bob -> Bob] Disk to disk (no transfer)
+> [ 59.000300] Total : 8.000000 seconds
+
+$ ${bindir:=.}/io-stream "--log=root.fmt:[%10.6r]%e%m%n"
+> [ 0.000000] [Bob -> Alice] Store and Forward (1 block)
+> [ 4.000000] Read : 4.000000 seconds
+> [ 6.165599] Send : 2.165599 seconds
+> [ 7.165599] Write : 1.000000 seconds
+> [ 7.165599] Total : 7.165599 seconds
+> [ 7.165599] [Bob -> Alice] Store and Forward (100 blocks)
+> [ 11.165518] Total : 3.999919 seconds
+> [ 11.165518] [Bob -> Alice] Streaming (Read bottleneck)
+> [ 15.166169] Total : 4.000651 seconds
+> [ 15.166169] [Alice -> Bob] Streaming (Write bottleneck)
+> [ 23.166819] Total : 8.000651 seconds
+> [ 23.166819] Start two 10-second background traffic between Bob and Alice
+> [ 23.166819] [Bob -> Alice] Streaming (Transfer bottleneck)
+> [ 29.662315] Total : 6.495496 seconds
+> [ 46.860161] [Bob -> Alice] Streaming "from disk to memory" (no write)
+> [ 50.860812] Total : 4.000650 seconds
+> [ 50.860812] [Bob -> Alice] Streaming "from memory to disk" (no read)
+> [ 53.026411] Total : 2.165599 seconds
+> [ 53.026411] [Bob -> Bob] Disk to disk (no transfer)
+> [ 61.026411] Total : 8.000000 seconds
XBT_INFO("actionC state: %s", string_action(stateActionC));
/* Let's do something on it */
- net_model->communicate(hostA, hostB, 150.0, -1.0);
+ net_model->communicate(hostA, hostB, 150.0, -1.0, false);
e.get_impl()->solve(-1.0);
do {
const_sg_netzone_t as_zone = e.netzone_by_name_or_null("AS0");
auto net_model = as_zone->get_impl()->get_network_model();
- net_model->communicate(hostA, hostB, 150.0, -1.0);
+ net_model->communicate(hostA, hostB, 150.0, -1.0, false);
e.get_impl()->solve(-1.0); /* Takes traces into account. Returns 0.0 */
do {
src/surf/network_ns3.hpp
src/surf/ns3/ns3_simulator.hpp
src/surf/ptask_L07.hpp
- src/surf/sio_S22.hpp
src/surf/surf_interface.hpp
src/surf/xml/simgrid.dtd
src/surf/xml/simgrid_dtd.c
src/surf/network_cm02.cpp
src/surf/network_constant.cpp
src/surf/ptask_L07.cpp
- src/surf/sio_S22.cpp
src/surf/sg_platf.cpp
src/surf/surf_interface.cpp
src/surf/xml/platf.hpp
