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/*******************************************************************/
/* XDMF */
/* eXtensible Data Model and Format */
/* */
/* Id : Id */
/* Date : $Date$ */
/* Version : $Revision$ */
/* */
/* Author: */
/* Jerry A. Clarke */
/* clarke@arl.army.mil */
/* US Army Research Laboratory */
/* Aberdeen Proving Ground, MD */
/* */
/* Copyright @ 2007 US Army Research Laboratory */
/* All Rights Reserved */
/* See Copyright.txt or http://www.arl.hpc.mil/ice for details */
/* */
/* This software is distributed WITHOUT ANY WARRANTY; without */
/* even the implied warranty of MERCHANTABILITY or FITNESS */
/* FOR A PARTICULAR PURPOSE. See the above copyright notice */
/* for more information. */
/* */
/*******************************************************************/
#include "XdmfDsm.h"
#include "XdmfDsmComm.h"
#include "XdmfDsmMsg.h"
#include "XdmfArray.h"
namespace xdmf2
{
// Align
typedef struct {
XdmfInt64 Opcode;
XdmfInt64 Source;
XdmfInt64 Target;
XdmfInt64 Address;
XdmfInt64 Length;
XdmfInt64 Parameters[10];
} XdmfDsmCommand;
XdmfDsm::XdmfDsm() {
this->DsmType = XDMF_DSM_TYPE_UNIFORM;
this->Storage = new XdmfArray;
this->StorageIsMine = 1;
this->Locks = 0;
// For Alignment
this->Storage->SetNumberType(XDMF_INT64_TYPE);
this->SetLength(XDMF_DSM_DEFAULT_LENGTH);
this->DataPointer = (XdmfByte *)this->Storage->GetDataPointer();
this->StartAddress = 0;
this->EndAddress = this->StartAddress + this->Length - 1;
this->Comm = 0;
this->StartServerId = this->EndServerId = -1;
this->Msg = new XdmfDsmMsg;
}
XdmfDsm::~XdmfDsm() {
if(this->Storage && this->StorageIsMine) delete this->Storage;
if(this->Msg) delete this->Msg;
}
XdmfInt32
XdmfDsm::Copy(XdmfDsm *Source){
this->DsmType = Source->DsmType;
if (this->Storage) delete this->Storage;
this->Storage = Source->GetStorage();
this->StorageIsMine = 0;
this->DataPointer = (XdmfByte *)this->Storage->GetDataPointer();
// For Alignment
this->Length = Source->Length;
this->StartAddress = Source->StartAddress;
this->EndAddress = Source->EndAddress;
this->Comm = Source->Comm;
this->StartServerId = Source->StartServerId;
this->EndServerId = Source->EndServerId;
this->Locks = Source->Locks;
// Always make a new Message so there is no contention
if (this->Msg) delete this->Msg;
this->Msg = new XdmfDsmMsg;
return(XDMF_SUCCESS);
}
XdmfInt32
XdmfDsm::SetStorage(XdmfArray *aStorage){
if(this->Storage && this->StorageIsMine) delete this->Storage;
this->Storage = aStorage;
this->DataPointer = (XdmfByte *)this->Storage->GetDataPointer();
return(XDMF_SUCCESS);
}
XdmfInt32
XdmfDsm::ConfigureUniform(XdmfDsmComm *aComm, XdmfInt64 aLength, XdmfInt32 StartId, XdmfInt32 EndId){
if(StartId < 0) StartId = 0;
if(EndId < 0) EndId = aComm->GetTotalSize() - 1;
this->SetDsmType(XDMF_DSM_TYPE_UNIFORM_RANGE);
if((StartId == 0) && (EndId == aComm->GetTotalSize() - 1)){
this->SetDsmType(XDMF_DSM_TYPE_UNIFORM);
}
this->SetStartServerId(StartId);
this->SetEndServerId(EndId);
this->SetComm(aComm);
if((aComm->GetId() >= StartId) && (aComm->GetId() <= EndId)){
this->SetLength(aLength);
this->StartAddress = (aComm->GetId() - StartId) * aLength;
this->EndAddress = this->StartAddress + aLength - 1;
}else{
this->Length = aLength;
}
this->Msg->Source = this->Comm->GetId();
this->TotalLength = aLength * (EndId - StartId + 1);
return(XDMF_SUCCESS);
}
XdmfInt32
XdmfDsm::GetAddressRangeForId(XdmfInt32 Id, XdmfInt64 *Start, XdmfInt64 *End){
switch(this->DsmType) {
case XDMF_DSM_TYPE_UNIFORM :
case XDMF_DSM_TYPE_UNIFORM_RANGE :
// All Servers have same length
*Start = (Id - this->StartServerId) * this->Length;
*End = *Start + Length - 1;
break;
default :
// Not Implemented
XdmfErrorMessage("DsmType " << this->DsmType << " not yet implemented");
return(XDMF_FAIL);
break;
}
return(XDMF_SUCCESS);
}
XdmfInt32
XdmfDsm::AddressToId(XdmfInt64 Address){
XdmfInt32 ServerId = XDMF_FAIL;
switch(this->DsmType) {
case XDMF_DSM_TYPE_UNIFORM :
case XDMF_DSM_TYPE_UNIFORM_RANGE :
// All Servers have same length
ServerId = this->StartServerId + (Address / this->Length);
if(ServerId > this->EndServerId ){
XdmfErrorMessage("ServerId " << ServerId << " for Address " << Address << " is larger than EndServerId " << this->EndServerId);
}
break;
default :
// Not Implemented
XdmfErrorMessage("DsmType " << this->DsmType << " not yet implemented");
break;
}
return(ServerId);
}
XdmfInt32
XdmfDsm::SendDone(){
XdmfInt32 who, status = XDMF_SUCCESS;
switch(this->DsmType) {
case XDMF_DSM_TYPE_UNIFORM :
case XDMF_DSM_TYPE_UNIFORM_RANGE :
for(who = this->StartServerId ; who <= this->EndServerId ; who++){
status = this->SendCommandHeader(XDMF_DSM_OPCODE_DONE, who, 0, 0);
}
break;
default :
// Not Implemented
XdmfErrorMessage("DsmType " << this->DsmType << " not yet implemented");
break;
}
return(status);
}
XdmfInt32
XdmfDsm::SetLength(XdmfInt64 aLength){
// Make it longer than actually needed for round off.
if(this->Storage->SetNumberOfElements((aLength / sizeof(XdmfInt64)) + 1) != XDMF_SUCCESS){
XdmfErrorMessage("Cannot set Dsm Length to " << Length);
return(XDMF_FAIL);
}
this->Length = aLength;
this->DataPointer = (XdmfByte *)this->Storage->GetDataPointer();
return(XDMF_SUCCESS);
}
XdmfInt32
XdmfDsm::SendCommandHeader(XdmfInt32 Opcode, XdmfInt32 Dest, XdmfInt64 Address, XdmfInt64 aLength){
XdmfDsmCommand Cmd;
XdmfInt32 Status;
Cmd.Opcode = Opcode;
Cmd.Source = this->Comm->GetId();
Cmd.Target = Dest;
Cmd.Address = Address;
Cmd.Length = aLength;
this->Msg->SetSource(this->Comm->GetId());
this->Msg->SetDest(Dest);
this->Msg->SetTag(XDMF_DSM_COMMAND_TAG);
this->Msg->SetLength(sizeof(Cmd));
this->Msg->SetData(&Cmd);
Status = this->Comm->Send(this->Msg);
XdmfDebug("(" << this->Comm->GetId() << ") sent opcode " << Cmd.Opcode);
return(Status);
}
XdmfInt32
XdmfDsm::ReceiveCommandHeader(XdmfInt32 *Opcode, XdmfInt32 *Source, XdmfInt64 *Address, XdmfInt64 *aLength, XdmfInt32 Block){
XdmfDsmCommand Cmd;
XdmfInt32 status = XDMF_FAIL;
this->Msg->Source = XDMF_DSM_ANY_SOURCE;
this->Msg->SetLength(sizeof(Cmd));
this->Msg->SetTag(XDMF_DSM_COMMAND_TAG);
this->Msg->SetData(&Cmd);
memset(&Cmd, 0, sizeof(XdmfDsmCommand));
status = this->Comm->Check(this->Msg);
if((status != XDMF_FAIL) || Block){
status = this->Comm->Receive(this->Msg);
if(status == XDMF_FAIL){
XdmfErrorMessage("Communicator Receive Failed");
return(XDMF_FAIL);
}else{
*Opcode = Cmd.Opcode;
*Source = Cmd.Source;
*Address = Cmd.Address;
*aLength = Cmd.Length;
status = XDMF_SUCCESS;
XdmfDebug("(Server " << this->Comm->GetId() << ") got opcode " << Cmd.Opcode);
}
}
return(status);
}
XdmfInt32
XdmfDsm::SendData(XdmfInt32 Dest, void *Data, XdmfInt64 aLength){
this->Msg->SetSource(this->Comm->GetId());
this->Msg->SetDest(Dest);
this->Msg->SetLength(aLength);
// this->Msg->SetTag(XDMF_DSM_RESPONSE_TAG);
this->Msg->SetData(Data);
return(this->Comm->Send(this->Msg));
}
XdmfInt32
XdmfDsm::ReceiveData(XdmfInt32 Source, void *Data, XdmfInt64 aLength, XdmfInt32 Block){
XdmfInt32 Status = XDMF_FAIL;
this->Msg->SetSource(Source);
this->Msg->SetLength(aLength);
// this->Msg->SetTag(XDMF_DSM_RESPONSE_TAG);
this->Msg->SetData(Data);
if(Block){
Status = this->Comm->Receive(this->Msg);
}else{
Status = this->Comm->Check(this->Msg);
if(Status == XDMF_SUCCESS){
Status = this->Comm->Receive(this->Msg);
}
}
return(Status);
}
}
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