}
}
-int Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
+bool Request::match_common(MPI_Request req, MPI_Request sender, MPI_Request receiver)
{
- MPI_Request ref = static_cast<MPI_Request>(a);
- MPI_Request req = static_cast<MPI_Request>(b);
- XBT_DEBUG("Trying to match a recv of src %d against %d, tag %d against %d, id %d against %d",ref->src_,req->src_, ref->tag_, req->tag_,ref->comm_->id(),req->comm_->id());
-
- xbt_assert(ref, "Cannot match recv against null reference");
- xbt_assert(req, "Cannot match recv against null request");
- if((ref->comm_->id()==MPI_UNDEFINED || req->comm_->id() == MPI_UNDEFINED || (ref->comm_->id()==req->comm_->id()))
- && ((ref->src_ == MPI_ANY_SOURCE && (ref->comm_->group()->rank(req->src_) != MPI_UNDEFINED)) || req->src_ == ref->src_)
- && ((ref->tag_ == MPI_ANY_TAG && req->tag_ >=0) || req->tag_ == ref->tag_)){
- //we match, we can transfer some values
- if(ref->src_ == MPI_ANY_SOURCE)
- ref->real_src_ = req->src_;
- if(ref->tag_ == MPI_ANY_TAG)
- ref->real_tag_ = req->tag_;
- if(ref->real_size_ < req->real_size_)
- ref->truncated_ = true;
- if (req->detached_)
- ref->detached_sender_=req; //tie the sender to the receiver, as it is detached and has to be freed in the receiver
- if(req->cancelled_==0)
+ xbt_assert(sender, "Cannot match against null sender");
+ xbt_assert(receiver, "Cannot match against null receiver");
+ XBT_DEBUG("Trying to match %s of sender src %d against %d, tag %d against %d, id %d against %d",
+ (req == receiver ? "send" : "recv"), sender->src_, receiver->src_, sender->tag_, receiver->tag_,
+ sender->comm_->id(), receiver->comm_->id());
+
+ if ((receiver->comm_->id() == MPI_UNDEFINED || sender->comm_->id() == MPI_UNDEFINED ||
+ receiver->comm_->id() == sender->comm_->id()) &&
+ ((receiver->src_ == MPI_ANY_SOURCE && (receiver->comm_->group()->rank(sender->src_) != MPI_UNDEFINED)) ||
+ receiver->src_ == sender->src_) &&
+ ((receiver->tag_ == MPI_ANY_TAG && sender->tag_ >= 0) || receiver->tag_ == sender->tag_)) {
+ // we match, we can transfer some values
+ if (receiver->src_ == MPI_ANY_SOURCE)
+ receiver->real_src_ = sender->src_;
+ if (receiver->tag_ == MPI_ANY_TAG)
+ receiver->real_tag_ = sender->tag_;
+ if (receiver->real_size_ < sender->real_size_)
+ receiver->truncated_ = true;
+ if (sender->detached_)
+ receiver->detached_sender_ = sender; // tie the sender to the receiver, as it is detached and has to be freed in
+ // the receiver
+ if (req->cancelled_ == 0)
req->cancelled_ = -1; // mark as uncancelable
XBT_DEBUG("match succeeded");
- return 1;
- }else return 0;
+ return true;
+ }
+ return false;
}
-int Request::match_send(void* a, void* b, simgrid::kernel::activity::CommImpl*)
+bool Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
{
MPI_Request ref = static_cast<MPI_Request>(a);
MPI_Request req = static_cast<MPI_Request>(b);
- XBT_DEBUG("Trying to match a send of src %d against %d, tag %d against %d, id %d against %d",ref->src_,req->src_, ref->tag_, req->tag_,ref->comm_->id(),req->comm_->id());
- xbt_assert(ref, "Cannot match send against null reference");
- xbt_assert(req, "Cannot match send against null request");
-
- if((ref->comm_->id()==MPI_UNDEFINED || req->comm_->id() == MPI_UNDEFINED || (ref->comm_->id()==req->comm_->id()))
- && ((req->src_ == MPI_ANY_SOURCE && (req->comm_->group()->rank(ref->src_) != MPI_UNDEFINED)) || req->src_ == ref->src_)
- && ((req->tag_ == MPI_ANY_TAG && ref->tag_ >=0)|| req->tag_ == ref->tag_)){
- if(req->src_ == MPI_ANY_SOURCE)
- req->real_src_ = ref->src_;
- if(req->tag_ == MPI_ANY_TAG)
- req->real_tag_ = ref->tag_;
- if(req->real_size_ < ref->real_size_)
- req->truncated_ = true;
- if (ref->detached_)
- req->detached_sender_=ref; //tie the sender to the receiver, as it is detached and has to be freed in the receiver
- if(req->cancelled_==0)
- req->cancelled_ = -1; // mark as uncancelable
- XBT_DEBUG("match succeeded");
- return 1;
- } else
- return 0;
+ return match_common(req, req, ref);
+}
+
+bool Request::match_send(void* a, void* b, simgrid::kernel::activity::CommImpl*)
+{
+ MPI_Request ref = static_cast<MPI_Request>(a);
+ MPI_Request req = static_cast<MPI_Request>(b);
+ return match_common(req, ref, req);
}
void Request::print_request(const char *message)
message, this, buf_, size_, src_, dst_, tag_, flags_);
}
-
/* factories, to hide the internal flags from the caller */
MPI_Request Request::bsend_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
-
return new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
comm->group()->actor(dst)->get_pid(), tag, comm,
MPI_REQ_PERSISTENT | MPI_REQ_SEND | MPI_REQ_PREPARED | MPI_REQ_BSEND);
MPI_Request Request::send_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
-
return new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
comm->group()->actor(dst)->get_pid(), tag, comm,
MPI_REQ_PERSISTENT | MPI_REQ_SEND | MPI_REQ_PREPARED);
simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
- int async_small_thresh = simgrid::config::get_value<int>("smpi/async-small-thresh");
-
simgrid::s4u::MutexPtr mut = process->mailboxes_mutex();
- if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
+ if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
mut->lock();
- if (async_small_thresh == 0 && (flags_ & MPI_REQ_RMA) == 0) {
+ if (smpi_cfg_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) {
+ } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < smpi_cfg_async_small_thresh()) {
//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();
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)
+ if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
mut->unlock();
} 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_));
void* buf = buf_;
if ((flags_ & MPI_REQ_SSEND) == 0 &&
((flags_ & MPI_REQ_RMA) != 0 || (flags_ & MPI_REQ_BSEND) != 0 ||
- static_cast<int>(size_) < simgrid::config::get_value<int>("smpi/send-is-detached-thresh"))) {
+ static_cast<int>(size_) < smpi_cfg_detached_send_thresh())) {
void *oldbuf = nullptr;
detached_ = true;
XBT_DEBUG("Send request %p is detached", this);
if (not(old_type_->flags() & DT_FLAG_DERIVED)) {
oldbuf = buf_;
if (not process->replaying() && oldbuf != nullptr && size_ != 0) {
- if ((smpi_privatize_global_variables != SmpiPrivStrategies::NONE) &&
+ if ((smpi_cfg_privatization() != SmpiPrivStrategies::NONE) &&
(static_cast<char*>(buf_) >= smpi_data_exe_start) &&
(static_cast<char*>(buf_) < smpi_data_exe_start + smpi_data_exe_size)) {
XBT_DEBUG("Privatization : We are sending from a zone inside global memory. Switch data segment ");
XBT_DEBUG("sending size of %zu : sleep %f ", size_, sleeptime);
}
- int async_small_thresh = simgrid::config::get_value<int>("smpi/async-small-thresh");
-
simgrid::s4u::MutexPtr mut = process->mailboxes_mutex();
- if (async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)
+ if (smpi_cfg_async_small_thresh() != 0 || (flags_ & MPI_REQ_RMA) != 0)
mut->lock();
- if (not(async_small_thresh != 0 || (flags_ & MPI_REQ_RMA) != 0)) {
+ if (not(smpi_cfg_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
+ } else if (((flags_ & MPI_REQ_RMA) != 0) || static_cast<int>(size_) < smpi_cfg_async_small_thresh()) { // eager mode
mailbox = process->mailbox();
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));
smpi_process()->get_tracing_category());
}
- if (async_small_thresh != 0 || ((flags_ & MPI_REQ_RMA) != 0))
+ if (smpi_cfg_async_small_thresh() != 0 || ((flags_ & MPI_REQ_RMA) != 0))
mut->unlock();
}
}
nsleeps=1;//reset the number of sleeps we will do next time
if (*request != MPI_REQUEST_NULL && ((*request)->flags_ & MPI_REQ_PERSISTENT) == 0)
*request = MPI_REQUEST_NULL;
- } else if (simgrid::config::get_value<bool>("smpi/grow-injected-times")) {
+ } else if (smpi_cfg_grow_injected_times()) {
nsleeps++;
}
}
// This can speed up the execution of certain applications by an order of magnitude, such as HPL
static int nsleeps = 1;
double speed = s4u::this_actor::get_host()->get_speed();
- double maxrate = simgrid::config::get_value<double>("smpi/iprobe-cpu-usage");
+ double maxrate = smpi_cfg_iprobe_cpu_usage();
MPI_Request request = new Request(nullptr, 0, MPI_CHAR,
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);
request->print_request("New iprobe");
// We have to test both mailboxes as we don't know if we will receive one or another
- if (simgrid::config::get_value<int>("smpi/async-small-thresh") > 0) {
+ if (smpi_cfg_async_small_thresh() > 0) {
mailbox = smpi_process()->mailbox_small();
XBT_DEBUG("Trying to probe the perm recv mailbox");
request->action_ = mailbox->iprobe(0, &match_recv, static_cast<void*>(request));
}
else {
*flag = 0;
- if (simgrid::config::get_value<bool>("smpi/grow-injected-times"))
+ if (smpi_cfg_grow_injected_times())
nsleeps++;
}
unref(&request);
// FIXME Handle the case of a partial shared malloc.
if (((req->flags_ & MPI_REQ_ACCUMULATE) != 0) ||
(datatype->flags() & DT_FLAG_DERIVED)) { // && (not smpi_is_shared(req->old_buf_))){
-
- if (not smpi_process()->replaying() && smpi_privatize_global_variables != SmpiPrivStrategies::NONE &&
+ if (not smpi_process()->replaying() && smpi_cfg_privatization() != SmpiPrivStrategies::NONE &&
static_cast<char*>(req->old_buf_) >= smpi_data_exe_start &&
static_cast<char*>(req->old_buf_) < smpi_data_exe_start + smpi_data_exe_size) {
XBT_VERB("Privatization : We are unserializing to a zone in global memory Switch data segment ");
return count;
}
-MPI_Request Request::f2c(int id) {
+MPI_Request Request::f2c(int id)
+{
char key[KEY_SIZE];
if(id==MPI_FORTRAN_REQUEST_NULL)
return static_cast<MPI_Request>(MPI_REQUEST_NULL);
}
}
-int Request::get_status(MPI_Request req, int* flag, MPI_Status * status){
+int Request::get_status(MPI_Request req, int* flag, MPI_Status* status)
+{
*flag=0;
if(req != MPI_REQUEST_NULL && req->action_ != nullptr) {
return MPI_SUCCESS;
}
-int Request::grequest_start( MPI_Grequest_query_function *query_fn, MPI_Grequest_free_function *free_fn, MPI_Grequest_cancel_function *cancel_fn, void *extra_state, MPI_Request *request){
-
+int Request::grequest_start(MPI_Grequest_query_function* query_fn, MPI_Grequest_free_function* free_fn,
+ MPI_Grequest_cancel_function* cancel_fn, void* extra_state, MPI_Request* request)
+{
*request = new Request();
(*request)->flags_ |= MPI_REQ_GENERALIZED;
(*request)->flags_ |= MPI_REQ_PERSISTENT;
return MPI_SUCCESS;
}
-int Request::grequest_complete( MPI_Request request){
+int Request::grequest_complete(MPI_Request request)
+{
if ((!(request->flags_ & MPI_REQ_GENERALIZED)) || request->generalized_funcs->mutex==NULL)
return MPI_ERR_REQUEST;
request->generalized_funcs->mutex->lock();
