Request::Request(const void* buf, int count, MPI_Datatype datatype, aid_t src, aid_t dst, int tag, MPI_Comm comm,
unsigned flags, MPI_Op op)
: buf_(const_cast<void*>(buf))
+ , old_buf_(buf_)
, type_(datatype)
, size_(datatype->size() * count)
, src_(src)
}
void Request::init_buffer(int count){
- void *old_buf = nullptr;
// FIXME Handle the case of a partial shared malloc.
// This part handles the problem of non-contiguous memory (for the unserialization at the reception)
if ((((flags_ & MPI_REQ_RECV) != 0) && ((flags_ & MPI_REQ_ACCUMULATE) != 0)) || (type_->flags() & DT_FLAG_DERIVED)) {
// This part handles the problem of non-contiguous memory
- old_buf = buf_;
+ old_buf_ = buf_;
if (count==0){
buf_ = nullptr;
}else {
buf_ = xbt_malloc(count*type_->size());
if ((type_->flags() & DT_FLAG_DERIVED) && ((flags_ & MPI_REQ_SEND) != 0)) {
- type_->serialize(old_buf, buf_, count);
+ type_->serialize(old_buf_, buf_, count);
}
}
}
- old_buf_ = old_buf;
}
bool Request::match_recv(void* a, void* b, simgrid::kernel::activity::CommImpl*)
MPI_Request Request::rma_send_init(const void *buf, int count, MPI_Datatype datatype, int src, int dst, int tag, MPI_Comm comm,
MPI_Op op)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
+ MPI_Request request;
if(op==MPI_OP_NULL){
request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, comm->group()->actor(src),
dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
MPI_Request Request::rma_recv_init(void *buf, int count, MPI_Datatype datatype, int src, int dst, int tag, MPI_Comm comm,
MPI_Op op)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
aid_t source = MPI_PROC_NULL;
if (src == MPI_ANY_SOURCE)
source = MPI_ANY_SOURCE;
else if (src != MPI_PROC_NULL)
source = comm->group()->actor(src);
+ MPI_Request request;
if(op==MPI_OP_NULL){
request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, source,
dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
MPI_Request Request::ibsend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SEND | MPI_REQ_BSEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SEND | MPI_REQ_BSEND);
if(dst != MPI_PROC_NULL)
request->start();
return request;
MPI_Request Request::isend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SEND);
if(dst != MPI_PROC_NULL)
request->start();
return request;
MPI_Request Request::issend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SSEND | MPI_REQ_SEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_ISEND | MPI_REQ_SSEND | MPI_REQ_SEND);
if(dst != MPI_PROC_NULL)
request->start();
return request;
MPI_Request Request::irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
aid_t source = MPI_PROC_NULL;
if (src == MPI_ANY_SOURCE)
source = MPI_ANY_SOURCE;
else if (src != MPI_PROC_NULL)
source = comm->group()->actor(src);
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype,
- source, simgrid::s4u::this_actor::get_pid(), tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_RECV);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, source,
+ simgrid::s4u::this_actor::get_pid(), tag, comm, MPI_REQ_NON_PERSISTENT | MPI_REQ_RECV);
if(src != MPI_PROC_NULL)
request->start();
return request;
int Request::recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status * status)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = irecv(buf, count, datatype, src, tag, comm);
+ MPI_Request request = irecv(buf, count, datatype, src, tag, comm);
int retval = wait(&request,status);
request = nullptr;
return retval;
void Request::bsend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_SEND | MPI_REQ_BSEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_SEND | MPI_REQ_BSEND);
if(dst != MPI_PROC_NULL)
request->start();
void Request::send(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_SEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_SEND);
if(dst != MPI_PROC_NULL)
request->start();
wait(&request, MPI_STATUS_IGNORE);
void Request::ssend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- MPI_Request request = nullptr; /* MC needs the comm to be set to nullptr during the call */
- request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
- dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
- MPI_REQ_NON_PERSISTENT | MPI_REQ_SSEND | MPI_REQ_SEND);
+ auto request = new Request(buf == MPI_BOTTOM ? nullptr : buf, count, datatype, simgrid::s4u::this_actor::get_pid(),
+ dst != MPI_PROC_NULL ? comm->group()->actor(dst) : MPI_PROC_NULL, tag, comm,
+ MPI_REQ_NON_PERSISTENT | MPI_REQ_SSEND | MPI_REQ_SEND);
if(dst != MPI_PROC_NULL)
request->start();
if (not(type_->flags() & DT_FLAG_DERIVED)) {
oldbuf = buf_;
if (not process->replaying() && oldbuf != nullptr && size_ != 0) {
- 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)) {
+ if (smpi_switch_data_segment(simgrid::s4u::Actor::by_pid(src_), buf_))
XBT_DEBUG("Privatization : We are sending from a zone inside global memory. Switch data segment ");
- smpi_switch_data_segment(simgrid::s4u::Actor::by_pid(src_));
- }
+
//we need this temporary buffer even for bsend, as it will be released in the copy callback and we don't have a way to differentiate it
//so actually ... don't use manually attached buffer space.
buf = xbt_malloc(size_);
std::vector<simgrid::kernel::activity::CommImpl*> comms;
comms.reserve(count);
- int i;
*flag = 0;
int ret = MPI_SUCCESS;
*index = MPI_UNDEFINED;
std::vector<int> map; /** Maps all matching comms back to their location in requests **/
- for(i = 0; i < count; i++) {
+ for (int i = 0; i < count; i++) {
if ((requests[i] != MPI_REQUEST_NULL) && requests[i]->action_ && not(requests[i]->flags_ & MPI_REQ_PREPARED)) {
comms.push_back(static_cast<simgrid::kernel::activity::CommImpl*>(requests[i]->action_.get()));
map.push_back(i);
static int nsleeps = 1;
if(smpi_test_sleep > 0)
simgrid::s4u::this_actor::sleep_for(nsleeps * smpi_test_sleep);
+ ssize_t i;
try{
i = simcall_comm_testany(comms.data(), comms.size()); // The i-th element in comms matches!
} catch (const Exception&) {
// 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_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) {
+ if (not smpi_process()->replaying() && smpi_switch_data_segment(simgrid::s4u::Actor::self(), req->old_buf_))
XBT_VERB("Privatization : We are unserializing to a zone in global memory Switch data segment ");
- smpi_switch_data_segment(simgrid::s4u::Actor::self());
- }
if(datatype->flags() & DT_FLAG_DERIVED){
// This part handles the problem of non-contiguous memory the unserialization at the reception
}
if (not comms.empty()) {
XBT_DEBUG("Enter waitany for %zu comms", comms.size());
- int i;
+ ssize_t i;
try{
i = simcall_comm_waitany(comms.data(), comms.size(), -1);
} catch (const CancelException&) {
}
}
- if (not accumulates.empty()) {
- std::sort(accumulates.begin(), accumulates.end(), sort_accumulates);
- for (auto& req : accumulates) {
- finish_wait(&req, status);
- }
- }
+ std::sort(accumulates.begin(), accumulates.end(), sort_accumulates);
+ for (auto& req : accumulates)
+ finish_wait(&req, status);
return retvalue;
}