/* 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. */
/* 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. */
static simgrid::config::Flag<double> smpi_iprobe_sleep(
"smpi/iprobe", "Minimum time to inject inside a call to MPI_Iprobe", 1e-4);
static simgrid::config::Flag<double> smpi_iprobe_sleep(
"smpi/iprobe", "Minimum time to inject inside a call to MPI_Iprobe", 1e-4);
xbt_assert(action_ == nullptr, "Cannot (re-)start unfinished communication");
flags_ &= ~MPI_REQ_PREPARED;
xbt_assert(action_ == nullptr, "Cannot (re-)start unfinished communication");
flags_ &= ~MPI_REQ_PREPARED;
//We have to check both mailboxes (because SSEND messages are sent to the large mbox).
//begin with the more appropriate one : the small one.
mailbox = process->mailbox_small();
//We have to check both mailboxes (because SSEND messages are sent to the large mbox).
//begin with the more appropriate one : the small one.
mailbox = process->mailbox_small();
- XBT_DEBUG("Is there a corresponding send already posted in the small mailbox %p (in case of SSEND)?", mailbox);
- smx_activity_t action = simcall_comm_iprobe(mailbox, 0, &match_recv, static_cast<void*>(this));
+ XBT_DEBUG("Is there a corresponding send already posted in the small mailbox %s (in case of SSEND)?",
+ mailbox->get_cname());
+ smx_activity_t action = mailbox->iprobe(0, &match_recv, static_cast<void*>(this));
- XBT_DEBUG("No, nothing in the small mailbox test the other one : %p", mailbox);
- action = simcall_comm_iprobe(mailbox, 0, &match_recv, static_cast<void*>(this));
+ XBT_DEBUG("No, nothing in the small mailbox test the other one : %s", mailbox->get_cname());
+ action = mailbox->iprobe(0, &match_recv, static_cast<void*>(this));
} else {
mailbox = process->mailbox_small();
XBT_DEBUG("Is there a corresponding send already posted the small mailbox?");
} else {
mailbox = process->mailbox_small();
XBT_DEBUG("Is there a corresponding send already posted the small mailbox?");
- smx_activity_t action = simcall_comm_iprobe(mailbox, 0, &match_recv, static_cast<void*>(this));
+ smx_activity_t action = mailbox->iprobe(0, &match_recv, static_cast<void*>(this));
// we make a copy here, as the size is modified by simix, and we may reuse the request in another receive later
real_size_=size_;
action_ = simcall_comm_irecv(
// we make a copy here, as the size is modified by simix, and we may reuse the request in another receive later
real_size_=size_;
action_ = simcall_comm_irecv(
- process->get_actor()->get_impl(), mailbox, buf_, &real_size_, &match_recv,
+ process->get_actor()->get_impl(), mailbox->get_impl(), buf_, &real_size_, &match_recv,
process->replaying() ? &smpi_comm_null_copy_buffer_callback : smpi_comm_copy_data_callback, this, -1.0);
XBT_DEBUG("recv simcall posted");
if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
process->replaying() ? &smpi_comm_null_copy_buffer_callback : smpi_comm_copy_data_callback, this, -1.0);
XBT_DEBUG("recv simcall posted");
if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
} else { /* the RECV flag was not set, so this is a send */
simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
int rank = src_;
} else { /* the RECV flag was not set, so this is a send */
simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
int rank = src_;
if (not(async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)) {
mailbox = process->mailbox();
} else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < async_small_thresh) { // eager mode
mailbox = process->mailbox();
if (not(async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)) {
mailbox = process->mailbox();
} else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < async_small_thresh) { // eager mode
mailbox = process->mailbox();
- XBT_DEBUG("Is there a corresponding recv already posted in the large mailbox %p?", mailbox);
- smx_activity_t action = simcall_comm_iprobe(mailbox, 1, &match_send, static_cast<void*>(this));
+ XBT_DEBUG("Is there a corresponding recv already posted in the large mailbox %s?", mailbox->get_cname());
+ smx_activity_t action = mailbox->iprobe(1, &match_send, static_cast<void*>(this));
- XBT_DEBUG("No, nothing in the large mailbox, message is to be sent on the small one %p", mailbox);
+ XBT_DEBUG("No, nothing in the large mailbox, message is to be sent on the small one %s",
+ mailbox->get_cname());
- XBT_DEBUG("SSEND : Is there a corresponding recv already posted in the small mailbox %p?", mailbox);
- action = simcall_comm_iprobe(mailbox, 1, &match_send, static_cast<void*>(this));
+ XBT_DEBUG("SSEND : Is there a corresponding recv already posted in the small mailbox %s?",
+ mailbox->get_cname());
+ action = mailbox->iprobe(1, &match_send, static_cast<void*>(this));
if (action == nullptr) {
XBT_DEBUG("No, we are first, send to large mailbox");
mailbox = process->mailbox();
if (action == nullptr) {
XBT_DEBUG("No, we are first, send to large mailbox");
mailbox = process->mailbox();
- XBT_DEBUG("Send request %p is in the large mailbox %p (buf: %p)",mailbox, this,buf_);
+ XBT_DEBUG("Send request %p is in the large mailbox %s (buf: %p)", this, mailbox->get_cname(), buf_);
}
// we make a copy here, as the size is modified by simix, and we may reuse the request in another receive later
real_size_=size_;
action_ = simcall_comm_isend(
}
// we make a copy here, as the size is modified by simix, and we may reuse the request in another receive later
real_size_=size_;
action_ = simcall_comm_isend(
- simgrid::s4u::Actor::by_pid(src_)->get_impl(), mailbox, size_, -1.0, buf, real_size_, &match_send,
+ simgrid::s4u::Actor::by_pid(src_)->get_impl(), mailbox->get_impl(), size_, -1.0, buf, real_size_, &match_send,
&xbt_free_f, // how to free the userdata if a detached send fails
not process->replaying() ? smpi_comm_copy_data_callback : &smpi_comm_null_copy_buffer_callback, this,
// detach if msg size < eager/rdv switch limit
&xbt_free_f, // how to free the userdata if a detached send fails
not process->replaying() ? smpi_comm_copy_data_callback : &smpi_comm_null_copy_buffer_callback, this,
// detach if msg size < eager/rdv switch limit
- if (action_ != nullptr)
- simcall_set_category(action_, TRACE_internal_smpi_get_category());
+ if (action_ != nullptr) {
+ std::string category = smpi_process()->get_tracing_category();
+ simgrid::simix::simcall([this, category] { this->action_->set_category(category); });
+ }
+
int Request::testany(int count, MPI_Request requests[], int *index, MPI_Status * status)
{
int Request::testany(int count, MPI_Request requests[], int *index, MPI_Status * status)
{
std::vector<int> map; /** Maps all matching comms back to their location in requests **/
for(i = 0; i < count; i++) {
if ((requests[i] != MPI_REQUEST_NULL) && requests[i]->action_ && not(requests[i]->flags_ & MPI_REQ_PREPARED)) {
std::vector<int> map; /** Maps all matching comms back to their location in requests **/
for(i = 0; i < count; i++) {
if ((requests[i] != MPI_REQUEST_NULL) && requests[i]->action_ && not(requests[i]->flags_ & MPI_REQ_PREPARED)) {
source == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : comm->group()->actor(source)->get_pid(),
simgrid::s4u::this_actor::get_pid(), tag, comm, MPI_REQ_PERSISTENT | MPI_REQ_RECV);
if (smpi_iprobe_sleep > 0) {
source == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : comm->group()->actor(source)->get_pid(),
simgrid::s4u::this_actor::get_pid(), tag, comm, MPI_REQ_PERSISTENT | MPI_REQ_RECV);
if (smpi_iprobe_sleep > 0) {
- s4u::this_actor::exec_init(/* flops to execute */ nsleeps * smpi_iprobe_sleep * speed * maxrate)
+ /** Compute the number of flops we will sleep **/
+ s4u::this_actor::exec_init(/*nsleeps: See comment above */ nsleeps *
+ /*(seconds * flop/s -> total flops)*/ smpi_iprobe_sleep * speed * maxrate)
+ /* Not the entire CPU can be used when iprobing: This is important for
+ * the energy consumption caused by polling with iprobes.
+ * Note also that the number of flops that was
+ * computed above contains a maxrate factor and is hence reduced (maxrate < 1)
+ */
+ ->set_bound(maxrate*speed)
request->print_request("New iprobe");
// We have to test both mailboxes as we don't know if we will receive one one or another
if (simgrid::config::get_value<int>("smpi/async-small-thresh") > 0) {
mailbox = smpi_process()->mailbox_small();
XBT_DEBUG("Trying to probe the perm recv mailbox");
request->print_request("New iprobe");
// We have to test both mailboxes as we don't know if we will receive one one or another
if (simgrid::config::get_value<int>("smpi/async-small-thresh") > 0) {
mailbox = smpi_process()->mailbox_small();
XBT_DEBUG("Trying to probe the perm recv mailbox");
- request->action_ = simcall_comm_iprobe(mailbox, 0, &match_recv, static_cast<void*>(request));
+ request->action_ = mailbox->iprobe(0, &match_recv, static_cast<void*>(request));
}
if (request->action_ == nullptr){
mailbox = smpi_process()->mailbox();
XBT_DEBUG("trying to probe the other mailbox");
}
if (request->action_ == nullptr){
mailbox = smpi_process()->mailbox();
XBT_DEBUG("trying to probe the other mailbox");
- request->action_ = simcall_comm_iprobe(mailbox, 0, &match_recv, static_cast<void*>(request));
+ request->action_ = mailbox->iprobe(0, &match_recv, static_cast<void*>(request));
- simgrid::kernel::activity::CommImplPtr sync_comm =
- boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(request->action_);
- MPI_Request req = static_cast<MPI_Request>(sync_comm->src_data);
+ kernel::activity::CommImplPtr sync_comm = boost::static_pointer_cast<kernel::activity::CommImpl>(request->action_);
+ MPI_Request req = static_cast<MPI_Request>(sync_comm->src_data_);
*flag = 1;
if (status != MPI_STATUS_IGNORE && (req->flags_ & MPI_REQ_PREPARED) == 0) {
status->MPI_SOURCE = comm->group()->rank(req->src_);
*flag = 1;
if (status != MPI_STATUS_IGNORE && (req->flags_ & MPI_REQ_PREPARED) == 0) {
status->MPI_SOURCE = comm->group()->rank(req->src_);
- xbt_dynar_init(&comms, sizeof(smx_activity_t), [](void*ptr){
- intrusive_ptr_release(*(simgrid::kernel::activity::ActivityImpl**)ptr);
- });
- int *map = xbt_new(int, count);
XBT_DEBUG("Wait for one of %d", count);
for(int i = 0; i < count; i++) {
if (requests[i] != MPI_REQUEST_NULL && not(requests[i]->flags_ & MPI_REQ_PREPARED) &&
not(requests[i]->flags_ & MPI_REQ_FINISHED)) {
if (requests[i]->action_ != nullptr) {
XBT_DEBUG("Waiting any %p ", requests[i]);
XBT_DEBUG("Wait for one of %d", count);
for(int i = 0; i < count; i++) {
if (requests[i] != MPI_REQUEST_NULL && not(requests[i]->flags_ & MPI_REQ_PREPARED) &&
not(requests[i]->flags_ & MPI_REQ_FINISHED)) {
if (requests[i]->action_ != nullptr) {
XBT_DEBUG("Waiting any %p ", requests[i]);
- intrusive_ptr_add_ref(requests[i]->action_.get());
- xbt_dynar_push_as(&comms, simgrid::kernel::activity::ActivityImpl*, requests[i]->action_.get());
- map[size] = i;
- size++;
+ comms.push_back(static_cast<simgrid::kernel::activity::CommImpl*>(requests[i]->action_.get()));
+ map.push_back(i);
index = i;
finish_wait(&requests[i], status); // cleanup if refcount = 0
if (requests[i] != MPI_REQUEST_NULL && (requests[i]->flags_ & MPI_REQ_NON_PERSISTENT))
index = i;
finish_wait(&requests[i], status); // cleanup if refcount = 0
if (requests[i] != MPI_REQUEST_NULL && (requests[i]->flags_ & MPI_REQ_NON_PERSISTENT))