-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2017. 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. */
Request::Request(void *buf, int count, MPI_Datatype datatype, int src, int dst, int tag, MPI_Comm comm, unsigned flags) : buf_(buf), old_type_(datatype), src_(src), dst_(dst), tag_(tag), comm_(comm), flags_(flags)
{
void *old_buf = nullptr;
- if((((flags & RECV) != 0) && ((flags & ACCUMULATE) !=0)) || (datatype->flags() & DT_FLAG_DERIVED)){
+ if(((((flags & RECV) != 0) && ((flags & ACCUMULATE) !=0)) || (datatype->flags() & DT_FLAG_DERIVED)) && (!smpi_is_shared(buf_))){
// This part handles the problem of non-contiguous memory
old_buf = buf;
- buf_ = count==0 ? nullptr : xbt_malloc(count*datatype->size());
- if ((datatype->flags() & DT_FLAG_DERIVED) && ((flags & SEND) != 0)) {
- datatype->serialize(old_buf, buf_, count);
+ if (count==0){
+ buf_ = nullptr;
+ }else {
+ buf_ = xbt_malloc(count*datatype->size());
+ if ((datatype->flags() & DT_FLAG_DERIVED) && ((flags & SEND) != 0)) {
+ datatype->serialize(old_buf, buf_, count);
+ }
}
}
// This part handles the problem of non-contiguous memory (for the unserialisation at the reception)
MPI_Request Request::send_init(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process_index(),
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, PERSISTENT | SEND | PREPARED);
}
MPI_Request Request::ssend_init(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process_index(),
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, PERSISTENT | SSEND | SEND | PREPARED);
}
MPI_Request Request::isend_init(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
{
- return new Request(buf==MPI_BOTTOM ? nullptr : buf , count, datatype, smpi_process_index(),
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf , count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag,comm, PERSISTENT | ISEND | SEND | PREPARED);
}
{
return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype,
src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE : comm->group()->index(src),
- smpi_process_index(), tag, comm, PERSISTENT | RECV | PREPARED);
+ smpi_process()->index(), tag, comm, PERSISTENT | RECV | PREPARED);
}
MPI_Request Request::rma_recv_init(void *buf, int count, MPI_Datatype datatype, int src, int dst, int tag, MPI_Comm comm,
MPI_Request Request::irecv_init(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm)
{
return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE :
- comm->group()->index(src), smpi_process_index(), tag,
+ comm->group()->index(src), smpi_process()->index(), tag,
comm, PERSISTENT | RECV | PREPARED);
}
MPI_Request Request::isend(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, smpi_process_index(),
+ request = new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, NON_PERSISTENT | ISEND | SEND);
request->start();
return request;
MPI_Request Request::issend(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, smpi_process_index(),
+ request = new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag,comm, NON_PERSISTENT | ISEND | SSEND | SEND);
request->start();
return request;
{
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, src == MPI_ANY_SOURCE ? MPI_ANY_SOURCE :
- comm->group()->index(src), smpi_process_index(), tag, comm,
+ comm->group()->index(src), smpi_process()->index(), tag, comm,
NON_PERSISTENT | RECV);
request->start();
return request;
void Request::send(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, smpi_process_index(),
+ request = new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, NON_PERSISTENT | SEND);
request->start();
void Request::ssend(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, smpi_process_index(),
+ request = new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, NON_PERSISTENT | SSEND | SEND);
request->start();
{
MPI_Request requests[2];
MPI_Status stats[2];
- int myid=smpi_process_index();
+ int myid=smpi_process()->index();
if ((comm->group()->index(dst) == myid) && (comm->group()->index(src) == myid)){
Datatype::copy(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype);
return;
if ((flags_ & RECV) != 0) {
this->print_request("New recv");
+ simgrid::smpi::Process* process = smpi_process_remote(dst_);
+
int async_small_thresh = xbt_cfg_get_int("smpi/async-small-thresh");
- xbt_mutex_t mut = smpi_process_mailboxes_mutex();
+ xbt_mutex_t mut = process->mailboxes_mutex();
if (async_small_thresh != 0 || (flags_ & RMA) != 0)
xbt_mutex_acquire(mut);
if (async_small_thresh == 0 && (flags_ & RMA) == 0 ) {
- mailbox = smpi_process_mailbox();
+ mailbox = process->mailbox();
}
else if (((flags_ & RMA) != 0) || static_cast<int>(size_) < 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 = smpi_process_mailbox_small();
+ 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, src_,tag_, &match_recv,
static_cast<void*>(this));
if (action == nullptr) {
- mailbox = smpi_process_mailbox();
+ mailbox = process->mailbox();
XBT_DEBUG("No, nothing in the small mailbox test the other one : %p", mailbox);
action = simcall_comm_iprobe(mailbox, 0, src_,tag_, &match_recv, static_cast<void*>(this));
if (action == nullptr) {
XBT_DEBUG("Still nothing, switch back to the small mailbox : %p", mailbox);
- mailbox = smpi_process_mailbox_small();
+ mailbox = process->mailbox_small();
}
} else {
XBT_DEBUG("yes there was something for us in the large mailbox");
}
} else {
- mailbox = smpi_process_mailbox_small();
+ 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, src_,tag_, &match_recv, static_cast<void*>(this));
if (action == nullptr) {
XBT_DEBUG("No, nothing in the permanent receive mailbox");
- mailbox = smpi_process_mailbox();
+ mailbox = process->mailbox();
} else {
XBT_DEBUG("yes there was something for us in the small mailbox");
}
// 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(SIMIX_process_self(), mailbox, buf_, &real_size_, &match_recv,
- ! smpi_process_get_replaying()? smpi_comm_copy_data_callback
+ action_ = simcall_comm_irecv(process->process(), mailbox, buf_, &real_size_, &match_recv,
+ ! process->replaying()? smpi_comm_copy_data_callback
: &smpi_comm_null_copy_buffer_callback, this, -1.0);
XBT_DEBUG("recv simcall posted");
if (async_small_thresh != 0 || (flags_ & RMA) != 0 )
xbt_mutex_release(mut);
} else { /* the RECV flag was not set, so this is a send */
- int receiver = dst_;
-
+ simgrid::smpi::Process* process = smpi_process_remote(dst_);
int rank = src_;
if (TRACE_smpi_view_internals()) {
- TRACE_smpi_send(rank, rank, receiver, tag_, size_);
+ TRACE_smpi_send(rank, rank, dst_, tag_, size_);
}
this->print_request("New send");
refcount_++;
if(!(old_type_->flags() & DT_FLAG_DERIVED)){
oldbuf = buf_;
- if (!smpi_process_get_replaying() && oldbuf != nullptr && size_!=0){
- if((smpi_privatize_global_variables != 0)
+ if (!process->replaying() && oldbuf != nullptr && size_!=0){
+ if((smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP)
&& (static_cast<char*>(buf_) >= smpi_start_data_exe)
&& (static_cast<char*>(buf_) < smpi_start_data_exe + smpi_size_data_exe )){
XBT_DEBUG("Privatization : We are sending from a zone inside global memory. Switch data segment ");
int async_small_thresh = xbt_cfg_get_int("smpi/async-small-thresh");
- xbt_mutex_t mut=smpi_process_remote_mailboxes_mutex(receiver);
+ xbt_mutex_t mut=process->mailboxes_mutex();
if (async_small_thresh != 0 || (flags_ & RMA) != 0)
xbt_mutex_acquire(mut);
if (!(async_small_thresh != 0 || (flags_ & RMA) !=0)) {
- mailbox = smpi_process_remote_mailbox(receiver);
+ mailbox = process->mailbox();
} else if (((flags_ & RMA) != 0) || static_cast<int>(size_) < async_small_thresh) { // eager mode
- mailbox = smpi_process_remote_mailbox(receiver);
+ 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,dst_, tag_, &match_send,
static_cast<void*>(this));
if (action == nullptr) {
if ((flags_ & SSEND) == 0){
- mailbox = smpi_process_remote_mailbox_small(receiver);
+ mailbox = process->mailbox_small();
XBT_DEBUG("No, nothing in the large mailbox, message is to be sent on the small one %p", mailbox);
} else {
- mailbox = smpi_process_remote_mailbox_small(receiver);
+ mailbox = process->mailbox_small();
XBT_DEBUG("SSEND : Is there a corresponding recv already posted in the small mailbox %p?", mailbox);
action = simcall_comm_iprobe(mailbox, 1,dst_, tag_, &match_send, static_cast<void*>(this));
if (action == nullptr) {
XBT_DEBUG("No, we are first, send to large mailbox");
- mailbox = smpi_process_remote_mailbox(receiver);
+ mailbox = process->mailbox();
}
}
} else {
XBT_DEBUG("Yes there was something for us in the large mailbox");
}
} else {
- mailbox = smpi_process_remote_mailbox(receiver);
+ mailbox = process->mailbox();
XBT_DEBUG("Send request %p is in the large mailbox %p (buf: %p)",mailbox, this,buf_);
}
action_ = simcall_comm_isend(SIMIX_process_from_PID(src_+1), mailbox, size_, -1.0,
buf, real_size_, &match_send,
&xbt_free_f, // how to free the userdata if a detached send fails
- !smpi_process_get_replaying() ? smpi_comm_copy_data_callback
+ !process->replaying() ? smpi_comm_copy_data_callback
: &smpi_comm_null_copy_buffer_callback, this,
// detach if msg size < eager/rdv switch limit
detached_);
if(smpi_test_sleep > 0)
simcall_process_sleep(nsleeps*smpi_test_sleep);
- smpi_empty_status(status);
+ Status::empty(status);
int flag = 1;
if (((*request)->flags_ & PREPARED) == 0) {
if ((*request)->action_ != nullptr)
} else {
//all requests are null or inactive, return true
flag = 1;
- smpi_empty_status(status);
+ Status::empty(status);
}
return flag;
requests[i]=MPI_REQUEST_NULL;
}
}else{
- smpi_empty_status(pstat);
+ Status::empty(pstat);
}
if(status != MPI_STATUSES_IGNORE) {
status[i] = *pstat;
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 (xbt_cfg_get_int("smpi/async-small-thresh") > 0){
- mailbox = smpi_process_mailbox_small();
+ mailbox = smpi_process()->mailbox_small();
XBT_DEBUG("Trying to probe the perm recv mailbox");
request->action_ = simcall_comm_iprobe(mailbox, 0, request->src_, request->tag_, &match_recv,
static_cast<void*>(request));
}
if (request->action_ == nullptr){
- mailbox = smpi_process_mailbox();
+ mailbox = smpi_process()->mailbox();
XBT_DEBUG("trying to probe the other mailbox");
request->action_ = simcall_comm_iprobe(mailbox, 0, request->src_,request->tag_, &match_recv,
static_cast<void*>(request));
void Request::finish_wait(MPI_Request* request, MPI_Status * status)
{
MPI_Request req = *request;
- smpi_empty_status(status);
+ Status::empty(status);
if(!((req->detached_ != 0) && ((req->flags_ & SEND) != 0)) && ((req->flags_ & PREPARED) == 0)){
if(status != MPI_STATUS_IGNORE) {
req->print_request("Finishing");
MPI_Datatype datatype = req->old_type_;
- if(((req->flags_ & ACCUMULATE) != 0) || (datatype->flags() & DT_FLAG_DERIVED)){
- if (!smpi_process_get_replaying()){
- if( smpi_privatize_global_variables != 0 && (static_cast<char*>(req->old_buf_) >= smpi_start_data_exe)
+ if((((req->flags_ & ACCUMULATE) != 0) || (datatype->flags() & DT_FLAG_DERIVED)) && (!smpi_is_shared(req->old_buf_))){
+
+ if (!smpi_process()->replaying()){
+ if( smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP && (static_cast<char*>(req->old_buf_) >= smpi_start_data_exe)
&& ((char*)req->old_buf_ < smpi_start_data_exe + smpi_size_data_exe )){
XBT_VERB("Privatization : We are unserializing to a zone in global memory Switch data segment ");
- smpi_switch_data_segment(smpi_process_index());
+ smpi_switch_data_segment(smpi_process()->index());
}
}
datatype->unserialize(req->buf_, req->old_buf_, req->real_size_/datatype->size() , req->op_);
xbt_free(req->buf_);
}else if(req->flags_ & RECV){//apply op on contiguous buffer for accumulate
- int n =req->real_size_/datatype->size();
- req->op_->apply(req->buf_, req->old_buf_, &n, datatype);
+ if(datatype->size()!=0){
+ int n =req->real_size_/datatype->size();
+ req->op_->apply(req->buf_, req->old_buf_, &n, datatype);
+ }
xbt_free(req->buf_);
}
}
}
if (TRACE_smpi_view_internals() && ((req->flags_ & RECV) != 0)){
- int rank = smpi_process_index();
+ int rank = smpi_process()->index();
int src_traced = (req->src_ == MPI_ANY_SOURCE ? req->real_src_ : req->src_);
TRACE_smpi_recv(rank, src_traced, rank,req->tag_);
}
{
(*request)->print_request("Waiting");
if ((*request)->flags_ & PREPARED) {
- smpi_empty_status(status);
+ Status::empty(status);
return;
}
finish_wait(&requests[index],status);
if (requests[i] != MPI_REQUEST_NULL && (requests[i]->flags_ & NON_PERSISTENT))
requests[index] = MPI_REQUEST_NULL;
- }else{
- XBT_WARN("huu?");
}
}
}
}
if (index==MPI_UNDEFINED)
- smpi_empty_status(status);
+ Status::empty(status);
return index;
}
static int sort_accumulates(MPI_Request a, MPI_Request b)
{
- return (a->tag() < b->tag());
+ return (a->tag() > b->tag());
}
int Request::waitall(int count, MPI_Request requests[], MPI_Status status[])
if (status != MPI_STATUSES_IGNORE) {
for (int c = 0; c < count; c++) {
if (requests[c] == MPI_REQUEST_NULL || requests[c]->dst_ == MPI_PROC_NULL || (requests[c]->flags_ & PREPARED)) {
- smpi_empty_status(&status[c]);
+ Status::empty(&status[c]);
} else if (requests[c]->src_ == MPI_PROC_NULL) {
- smpi_empty_status(&status[c]);
+ Status::empty(&status[c]);
status[c].MPI_SOURCE = MPI_PROC_NULL;
}
}
