fullname.insert(0, mount);
}
}
-
+ XBT_DEBUG("Opening %s", fullname.c_str());
file_ = simgrid::s4u::File::open(fullname, nullptr);
list_ = nullptr;
+ disp_ = 0;
+ etype_ = MPI_BYTE;
+ atomicity_ = true;
if (comm_->rank() == 0) {
int size = comm_->size() + FP_SIZE;
list_ = new char[size];
int File::get_position(MPI_Offset* offset) const
{
- *offset = file_->tell();
+ *offset = file_->tell()/etype_->get_extent();
return MPI_SUCCESS;
}
int File::get_position_shared(MPI_Offset* offset) const
{
shared_mutex_->lock();
- *offset = *shared_file_pointer_;
+ *offset = *shared_file_pointer_/etype_->get_extent();
shared_mutex_->unlock();
return MPI_SUCCESS;
}
MPI_Offset position = fh->file_->tell();
MPI_Offset movesize = datatype->get_extent() * count;
MPI_Offset readsize = datatype->size() * count;
- XBT_DEBUG("Position before read in MPI_File %s : %llu", fh->file_->get_path(), fh->file_->tell());
+ XBT_DEBUG("Position before read in MPI_File %s : %llu, size %llu", fh->file_->get_path(), fh->file_->tell(), fh->file_->size());
MPI_Offset read = fh->file_->read(readsize);
- XBT_VERB("Read in MPI_File %s, %lld bytes read, readsize %lld bytes, movesize %lld", fh->file_->get_path(), read,
+ XBT_VERB("Read in MPI_File %s, %lld bytes read, count %d, readsize %lld bytes, movesize %lld", fh->file_->get_path(), read, count,
readsize, movesize);
if (readsize != movesize) {
fh->file_->seek(position + movesize, SEEK_SET);
int File::read_shared(MPI_File fh, void* buf, int count, const Datatype* datatype, MPI_Status* status)
{
fh->shared_mutex_->lock();
+ XBT_VERB("before read shared, shared pointer is %llu, pointer is %llu",*(fh->shared_file_pointer_) , fh->file_->tell());
fh->seek(*(fh->shared_file_pointer_), MPI_SEEK_SET);
read(fh, buf, count, datatype, status);
*(fh->shared_file_pointer_) = fh->file_->tell();
+ XBT_VERB("after read shared, shared pointer is %llu, pointer is %llu",*(fh->shared_file_pointer_) , fh->file_->tell());
fh->shared_mutex_->unlock();
+ fh->seek(*(fh->shared_file_pointer_), MPI_SEEK_SET);
return MPI_SUCCESS;
}
MPI_Offset result;
simgrid::smpi::colls::scan(&val, &result, 1, MPI_OFFSET, MPI_SUM, fh->comm_);
+ MPI_Offset prev;
+ fh->get_position(&prev);
fh->seek(result, MPI_SEEK_SET);
int ret = fh->op_all<simgrid::smpi::File::read>(buf, count, datatype, status);
if (fh->comm_->rank() == fh->comm_->size() - 1) {
}
char c;
simgrid::smpi::colls::bcast(&c, 1, MPI_BYTE, fh->comm_->size() - 1, fh->comm_);
+ fh->seek(prev, MPI_SEEK_SET);
return ret;
}
MPI_Offset position = fh->file_->tell();
MPI_Offset movesize = datatype->get_extent() * count;
MPI_Offset writesize = datatype->size() * count;
- XBT_DEBUG("Position before write in MPI_File %s : %llu", fh->file_->get_path(), fh->file_->tell());
+ XBT_DEBUG("Position before write in MPI_File %s : %llu, size %llu", fh->file_->get_path(), fh->file_->tell(), fh->file_->size());
MPI_Offset write = fh->file_->write(writesize, true);
- XBT_VERB("Write in MPI_File %s, %lld bytes written, readsize %lld bytes, movesize %lld", fh->file_->get_path(), write,
- writesize, movesize);
+ XBT_VERB("Write in MPI_File %s, %lld bytes written, count %d, writesize %lld bytes, movesize %lld", fh->file_->get_path(), write,
+ count, writesize, movesize);
if (writesize != movesize) {
fh->file_->seek(position + movesize, SEEK_SET);
}
write(fh, const_cast<void*>(buf), count, datatype, status);
*(fh->shared_file_pointer_) = fh->file_->tell();
XBT_DEBUG("Write shared on %s - Shared ptr after : %lld", fh->file_->get_path(), *(fh->shared_file_pointer_));
+ fh->seek(*(fh->shared_file_pointer_), MPI_SEEK_SET);
fh->shared_mutex_->unlock();
return MPI_SUCCESS;
}
}
MPI_Offset result;
simgrid::smpi::colls::scan(&val, &result, 1, MPI_OFFSET, MPI_SUM, fh->comm_);
+ MPI_Offset prev;
+ fh->get_position(&prev);
fh->seek(result, MPI_SEEK_SET);
int ret = fh->op_all<simgrid::smpi::File::write>(const_cast<void*>(buf), count, datatype, status);
if (fh->comm_->rank() == fh->comm_->size() - 1) {
}
char c;
simgrid::smpi::colls::bcast(&c, 1, MPI_BYTE, fh->comm_->size() - 1, fh->comm_);
+ fh->seek(prev, MPI_SEEK_SET);
return ret;
}
return flags_;
}
+MPI_Datatype File::etype() const
+{
+ return etype_;
+}
+
int File::sync()
{
// no idea
{
return static_cast<File*>(F2C::f2c(id));
}
+
+void File::set_atomicity(bool a){
+ atomicity_ = a;
+}
+
+bool File::get_atomicity(){
+ return atomicity_;
+}
+
} // namespace simgrid::smpi