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multi-threading support for MUR-ABC added

pull/1/head
Thorsten Liebig 2010-11-04 12:13:43 +01:00
parent 352e2d12bd
commit ce56184681
2 changed files with 52 additions and 14 deletions
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52
FDTD/engine_ext_mur_abc.cpp
View File

@ -20,6 +20,7 @@
#include "engine.h"
#include "engine_sse.h"
#include "tools/array_ops.h"
#include "tools/useful.h"
Engine_Ext_Mur_ABC::Engine_Ext_Mur_ABC(Operator_Ext_Mur_ABC* op_ext) : Engine_Extension(op_ext)
{
@ -54,6 +55,8 @@ Engine_Ext_Mur_ABC::Engine_Ext_Mur_ABC(Operator_Ext_Mur_ABC* op_ext) : Engine_Ex
m_start_TS = maxDelay + m_Op_mur->m_Op->Exc->Length + 10; //give it some extra timesteps, for the excitation to travel at least one cell away
cerr << "Engine_Ext_Mur_ABC::Engine_Ext_Mur_ABC: Warning: Excitation inside the Mur-ABC #" << m_ny << "-" << (int)(m_LineNr>0) << " found!!!! Mur-ABC will be switched on after excitation is done at " << m_start_TS << " timesteps!!! " << endl;
}
SetNumberOfThreads(1);
}
Engine_Ext_Mur_ABC::~Engine_Ext_Mur_ABC()
@ -64,10 +67,25 @@ Engine_Ext_Mur_ABC::~Engine_Ext_Mur_ABC()
m_volt_nyPP = NULL;
}
void Engine_Ext_Mur_ABC::DoPreVoltageUpdates()
void Engine_Ext_Mur_ABC::SetNumberOfThreads(int nrThread)
{
Engine_Extension::SetNumberOfThreads(nrThread);
m_numX = AssignJobs2Threads(m_numLines[0],m_NrThreads,false);
m_start.resize(m_NrThreads,0);
m_start.at(0)=0;
for (size_t n=1;n<m_numX.size();++n)
m_start.at(n) = m_start.at(n-1) + m_numX.at(n-1);
}
void Engine_Ext_Mur_ABC::DoPreVoltageUpdates(int threadID)
{
if (IsActive()==false) return;
if (m_Eng==NULL) return;
if (threadID>=m_NrThreads)
return;
unsigned int pos[] = {0,0,0};
unsigned int pos_shift[] = {0,0,0};
pos[m_ny] = m_LineNr;
@ -78,8 +96,9 @@ void Engine_Ext_Mur_ABC::DoPreVoltageUpdates()
{
case Engine::BASIC:
{
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
pos_shift[m_nyP] = pos[m_nyP];
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
@ -106,8 +125,9 @@ void Engine_Ext_Mur_ABC::DoPreVoltageUpdates()
break;
}
default:
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
pos_shift[m_nyP] = pos[m_nyP];
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
@ -120,10 +140,12 @@ void Engine_Ext_Mur_ABC::DoPreVoltageUpdates()
}
}
void Engine_Ext_Mur_ABC::DoPostVoltageUpdates()
void Engine_Ext_Mur_ABC::DoPostVoltageUpdates(int threadID)
{
if (IsActive()==false) return;
if (m_Eng==NULL) return;
if (threadID>=m_NrThreads)
return;
unsigned int pos[] = {0,0,0};
unsigned int pos_shift[] = {0,0,0};
pos[m_ny] = m_LineNr;
@ -134,8 +156,9 @@ void Engine_Ext_Mur_ABC::DoPostVoltageUpdates()
{
case Engine::BASIC:
{
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
pos_shift[m_nyP] = pos[m_nyP];
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
@ -150,8 +173,9 @@ void Engine_Ext_Mur_ABC::DoPostVoltageUpdates()
case Engine::SSE:
{
Engine_sse* eng_sse = (Engine_sse*) m_Eng;
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
pos_shift[m_nyP] = pos[m_nyP];
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
@ -164,8 +188,9 @@ void Engine_Ext_Mur_ABC::DoPostVoltageUpdates()
}
default:
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
pos_shift[m_nyP] = pos[m_nyP];
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
@ -178,9 +203,11 @@ void Engine_Ext_Mur_ABC::DoPostVoltageUpdates()
}
}
void Engine_Ext_Mur_ABC::Apply2Voltages()
void Engine_Ext_Mur_ABC::Apply2Voltages(int threadID)
{
if (IsActive()==false) return;
if (threadID>=m_NrThreads)
return;
if (m_Eng==NULL) return;
unsigned int pos[] = {0,0,0};
pos[m_ny] = m_LineNr;
@ -190,8 +217,9 @@ void Engine_Ext_Mur_ABC::Apply2Voltages()
{
case Engine::BASIC:
{
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
m_Eng->Engine::SetVolt(m_nyP,pos, m_volt_nyP[pos[m_nyP]][pos[m_nyPP]]);
@ -204,8 +232,9 @@ void Engine_Ext_Mur_ABC::Apply2Voltages()
case Engine::SSE:
{
Engine_sse* eng_sse = (Engine_sse*) m_Eng;
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
eng_sse->Engine_sse::SetVolt(m_nyP,pos, m_volt_nyP[pos[m_nyP]][pos[m_nyPP]]);
@ -216,8 +245,9 @@ void Engine_Ext_Mur_ABC::Apply2Voltages()
}
default:
for (pos[m_nyP]=0;pos[m_nyP]<m_numLines[0];++pos[m_nyP])
for (unsigned int lineX=0;lineX<m_numX.at(threadID);++lineX)
{
pos[m_nyP]=lineX+m_start.at(threadID);
for (pos[m_nyPP]=0;pos[m_nyPP]<m_numLines[1];++pos[m_nyPP])
{
m_Eng->SetVolt(m_nyP,pos, m_volt_nyP[pos[m_nyP]][pos[m_nyPP]]);

14
FDTD/engine_ext_mur_abc.h
View File

@ -30,9 +30,14 @@ public:
Engine_Ext_Mur_ABC(Operator_Ext_Mur_ABC* op_ext);
virtual ~Engine_Ext_Mur_ABC();
virtual void DoPreVoltageUpdates();
virtual void DoPostVoltageUpdates();
virtual void Apply2Voltages();
virtual void SetNumberOfThreads(int nrThread);
virtual void DoPreVoltageUpdates() {Engine_Ext_Mur_ABC::DoPreVoltageUpdates(0);}
virtual void DoPreVoltageUpdates(int threadID);
virtual void DoPostVoltageUpdates() {Engine_Ext_Mur_ABC::DoPostVoltageUpdates(0);}
virtual void DoPostVoltageUpdates(int threadID);
virtual void Apply2Voltages() {Engine_Ext_Mur_ABC::Apply2Voltages(0);}
virtual void Apply2Voltages(int threadID);
protected:
Operator_Ext_Mur_ABC* m_Op_mur;
@ -46,6 +51,9 @@ protected:
int m_LineNr_Shift;
unsigned int m_numLines[2];
vector<unsigned int> m_start;
vector<unsigned int> m_numX;
FDTD_FLOAT** m_Mur_Coeff_nyP;
FDTD_FLOAT** m_Mur_Coeff_nyPP;
FDTD_FLOAT** m_volt_nyP; //n+1 direction