-/* 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. */
#include <xbt/config.hpp>
#include <algorithm>
-
#include "private.h"
-#include "xbt/replay.h"
#include "mc/mc.h"
#include "src/mc/mc_replay.h"
#include "src/simix/smx_private.h"
#include "simgrid/sg_config.h"
#include "smpi/smpi_utils.hpp"
#include <simgrid/s4u/host.hpp>
-
#include "src/kernel/activity/SynchroComm.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_request, smpi, "Logging specific to SMPI (reques)");
return current;
}
-
namespace simgrid{
namespace smpi{
-Request::Request(){}
+
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)){
// This part handles the problem of non-contiguous memory
old_buf = buf;
// This part handles the problem of non-contiguous memory (for the unserialisation at the reception)
old_buf_ = old_buf;
size_ = datatype->size() * count;
- datatype->use();
- comm_->use();
+ datatype->ref();
+ comm_->ref();
action_ = nullptr;
detached_ = 0;
detached_sender_ = nullptr;
op_ = MPI_REPLACE;
}
-
-//Request::destroy(void* request)
-//{
-// MPI_Request req = static_cast<MPI_Request>(request);
-// delete(req);
-//}
-
MPI_Comm Request::comm(){
return comm_;
}
return flags_;
}
+int Request::detached(){
+ return detached_;
+}
+
size_t Request::size(){
return size_;
}
return real_size_;
}
-
-void Request::unuse(MPI_Request* request)
+void Request::unref(MPI_Request* request)
{
if((*request) != MPI_REQUEST_NULL){
(*request)->refcount_--;
if((*request)->refcount_<0) xbt_die("wrong refcount");
-
if((*request)->refcount_==0){
- (*request)->old_type_->unuse();
- (*request)->comm_->unuse();
+ Datatype::unref((*request)->old_type_);
+ Comm::unref((*request)->comm_);
(*request)->print_request("Destroying");
delete *request;
*request = MPI_REQUEST_NULL;
}
}
-
int Request::match_recv(void* a, void* b, smx_activity_t ignored) {
MPI_Request ref = static_cast<MPI_Request>(a);
MPI_Request req = static_cast<MPI_Request>(b);
/* factories, to hide the internal flags from the caller */
MPI_Request Request::send_init(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(),
+
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, PERSISTENT | SEND | PREPARED);
- return request;
}
MPI_Request Request::ssend_init(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(),
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag, comm, PERSISTENT | SSEND | SEND | PREPARED);
- return request;
}
MPI_Request Request::isend_init(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(),
+ return new Request(buf==MPI_BOTTOM ? nullptr : buf , count, datatype, smpi_process()->index(),
comm->group()->index(dst), tag,comm, PERSISTENT | ISEND | SEND | PREPARED);
- return request;
}
MPI_Request Request::recv_init(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 */
- request = new Request(buf==MPI_BOTTOM ? nullptr : buf, count, datatype,
+ 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);
- return request;
+ 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)
{
- 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,
+ 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);
- return request;
}
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();
request = nullptr;
}
-
-
void Request::sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype,int dst, int sendtag,
void *recvbuf, int recvcount, MPI_Datatype recvtype, int src, int recvtag,
MPI_Comm comm, MPI_Status * status)
{
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;
requests[1] = irecv_init(recvbuf, recvcount, recvtype, src, recvtag, comm);
startall(2, requests);
waitall(2, requests, stats);
- unuse(&requests[0]);
- unuse(&requests[1]);
+ unref(&requests[0]);
+ unref(&requests[1]);
if(status != MPI_STATUS_IGNORE) {
// Copy receive status
*status = stats[1];
}
}
-
-
void Request::start()
{
smx_mailbox_t mailbox;
int async_small_thresh = xbt_cfg_get_int("smpi/async-small-thresh");
- xbt_mutex_t mut = smpi_process_mailboxes_mutex();
+ xbt_mutex_t mut = smpi_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 = smpi_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 = smpi_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 = smpi_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 = smpi_process()->mailbox_small();
}
} else {
XBT_DEBUG("yes there was something for us in the large mailbox");
}
} else {
- mailbox = smpi_process_mailbox_small();
+ mailbox = smpi_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 = smpi_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
+ ! smpi_process()->replaying()? smpi_comm_copy_data_callback
: &smpi_comm_null_copy_buffer_callback, this, -1.0);
XBT_DEBUG("recv simcall posted");
refcount_++;
if(!(old_type_->flags() & DT_FLAG_DERIVED)){
oldbuf = buf_;
- if (!smpi_process_get_replaying() && oldbuf != nullptr && size_!=0){
+ if (!smpi_process()->replaying() && oldbuf != nullptr && size_!=0){
if((smpi_privatize_global_variables != 0)
&& (static_cast<char*>(buf_) >= smpi_start_data_exe)
&& (static_cast<char*>(buf_) < smpi_start_data_exe + smpi_size_data_exe )){
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=smpi_process_remote(receiver)->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 = smpi_process_remote(receiver)->mailbox();
} else if (((flags_ & RMA) != 0) || static_cast<int>(size_) < async_small_thresh) { // eager mode
- mailbox = smpi_process_remote_mailbox(receiver);
+ mailbox = smpi_process_remote(receiver)->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 = smpi_process_remote(receiver)->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 = smpi_process_remote(receiver)->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 = smpi_process_remote(receiver)->mailbox();
}
}
} else {
XBT_DEBUG("Yes there was something for us in the large mailbox");
}
} else {
- mailbox = smpi_process_remote_mailbox(receiver);
+ mailbox = smpi_process_remote(receiver)->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
+ !smpi_process()->replaying() ? smpi_comm_copy_data_callback
: &smpi_comm_null_copy_buffer_callback, this,
// detach if msg size < eager/rdv switch limit
detached_);
/* FIXME: detached sends are not traceable (action_ == nullptr) */
if (action_ != nullptr)
simcall_set_category(action_, TRACE_internal_smpi_get_category());
-
if (async_small_thresh != 0 || ((flags_ & RMA)!=0))
xbt_mutex_release(mut);
}
}
-
void Request::startall(int count, MPI_Request * requests)
{
if(requests== nullptr)
int Request::test(MPI_Request * request, MPI_Status * status) {
//assume that request is not MPI_REQUEST_NULL (filtered in PMPI_Test or testall before)
-
// to avoid deadlocks if used as a break condition, such as
- // while (MPI_Test(request, flag, status) && flag) {
- // }
+ // while (MPI_Test(request, flag, status) && flag) dostuff...
// because the time will not normally advance when only calls to MPI_Test are made -> deadlock
// multiplier to the sleeptime, to increase speed of execution, each failed test will increase it
static int nsleeps = 1;
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)
return flag;
}
-
int Request::testsome(int incount, MPI_Request requests[], int *indices, MPI_Status status[])
{
int i;
else return count;
}
-
int Request::testany(int count, MPI_Request requests[], int *index, MPI_Status * status)
{
std::vector<simgrid::kernel::activity::ActivityImpl*> comms;
} else {
//all requests are null or inactive, return true
flag = 1;
- smpi_empty_status(status);
+ Status::empty(status);
}
return flag;
}
-
int Request::testall(int count, MPI_Request requests[], MPI_Status status[])
{
MPI_Status stat;
requests[i]=MPI_REQUEST_NULL;
}
}else{
- smpi_empty_status(pstat);
+ Status::empty(pstat);
}
if(status != MPI_STATUSES_IGNORE) {
status[i] = *pstat;
return flag;
}
-
-
-
void Request::probe(int source, int tag, MPI_Comm comm, MPI_Status* status){
int flag=0;
//FIXME find another way to avoid busy waiting ?
}
void Request::iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status){
- MPI_Request request = new Request(nullptr, 0, MPI_CHAR, source == MPI_ANY_SOURCE ? MPI_ANY_SOURCE :
- comm->group()->index(source), comm->rank(), tag, comm, PERSISTENT | RECV);
-
// to avoid deadlock, we have to sleep some time here, or the timer won't advance and we will only do iprobe simcalls
- // (especially when used as a break condition, such as while(MPI_Iprobe(...)) ... )
+ // especially when used as a break condition, such as while (MPI_Iprobe(...)) dostuff...
// nsleeps is a multiplier to the sleeptime, to increase speed of execution, each failed iprobe will increase it
- // (This can speed up the execution of certain applications by an order of magnitude, such as HPL)
+ // This can speed up the execution of certain applications by an order of magnitude, such as HPL
static int nsleeps = 1;
double speed = simgrid::s4u::Actor::self()->host()->speed();
double maxrate = xbt_cfg_get_double("smpi/iprobe-cpu-usage");
+ MPI_Request request = new Request(nullptr, 0, MPI_CHAR, source == MPI_ANY_SOURCE ? MPI_ANY_SOURCE :
+ comm->group()->index(source), comm->rank(), tag, comm, PERSISTENT | RECV);
if (smpi_iprobe_sleep > 0) {
smx_activity_t iprobe_sleep = simcall_execution_start("iprobe", /* flops to executek*/nsleeps*smpi_iprobe_sleep*speed*maxrate, /* priority */1.0, /* performance bound */maxrate*speed);
simcall_execution_wait(iprobe_sleep);
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));
if (xbt_cfg_get_boolean("smpi/grow-injected-times"))
nsleeps++;
}
- unuse(&request);
+ unref(&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) {
MPI_Datatype datatype = req->old_type_;
if(((req->flags_ & ACCUMULATE) != 0) || (datatype->flags() & DT_FLAG_DERIVED)){
- if (!smpi_process_get_replaying()){
+ if (!smpi_process()->replaying()){
if( smpi_privatize_global_variables != 0 && (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());
}
}
}
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_);
}
simcall_process_sleep(sleeptime);
XBT_DEBUG("receiving size of %zu : sleep %f ", req->real_size_, sleeptime);
}
- unuse(&(req->detached_sender_));
+ unref(&(req->detached_sender_));
}
if(req->flags_ & PERSISTENT)
req->action_ = nullptr;
req->flags_ |= FINISHED;
- unuse(request);
+ unref(request);
}
-
void Request::wait(MPI_Request * request, MPI_Status * status)
{
(*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;
}
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;
}
}
return count;
}
+MPI_Request Request::f2c(int id) {
+ char key[KEY_SIZE];
+ if(id==MPI_FORTRAN_REQUEST_NULL)
+ return static_cast<MPI_Request>(MPI_REQUEST_NULL);
+ return static_cast<MPI_Request>(xbt_dict_get(F2C::f2c_lookup(), get_key_id(key, id)));
+}
+
+int Request::add_f() {
+ if(F2C::f2c_lookup()==nullptr){
+ F2C::set_f2c_lookup(xbt_dict_new_homogeneous(nullptr));
+ }
+ char key[KEY_SIZE];
+ xbt_dict_set(F2C::f2c_lookup(), get_key_id(key, F2C::f2c_id()), this, nullptr);
+ F2C::f2c_id_increment();
+ return F2C::f2c_id()-1;
+}
+
+void Request::free_f(int id) {
+ char key[KEY_SIZE];
+ if(id!=MPI_FORTRAN_REQUEST_NULL)
+ xbt_dict_remove(F2C::f2c_lookup(), get_key_id(key, id));
+}
}
}
