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src/mior/model/OCLParaCSRModel4.java
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package mior.model;
import java.util.Arrays;
import java.util.BitSet;
import mcmas.core.MCMCommandQueue;
import mcmas.core.MCMCommandQueueProperty;
import mcmas.core.MCMContext;
import mcmas.core.MCMEvent;
import mcmas.core.MCMKernel;
import mcmas.core.MCMMem;
import mcmas.core.MCMProgram;
import mcmas.core.MCMUtils;
import mior.model.dist.IMiorDistribution;
import org.jocl.Pointer;
import org.perf4j.slf4j.Slf4JStopWatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OCLParaCSRModel4 extends AbstractMiorModel {
/**
* Java view
*/
private final int nbMM;
private final int nbOM;
private final MiorMM [] mmList;
private final MiorOM [] omList;
private final MiorWorld [] worlds;
/**
* OpenCL implementation
*/
final MCMContext context;
final MCMCommandQueue queue;
final MCMProgram program;
final MCMKernel topoKernel;
final MCMKernel simulateKernel;
final MCMKernel autoliveKernel;
final MCMMem mmMem;
final MCMMem omMem;
final MCMMem worldsMem;
final MCMMem mmOffsetsMem;
final MCMMem omOffsetsMem;
MCMMem mmCSRMem;
MCMMem omCSRMem;
final MCMMem partsMem;
private final int [] mmOffsets;
private final int [] omOffsets;
private int [] mmCSR;
private int [] omCSR;
private final int [] parts;
private final int nbSim;
private int blockSize;
private final static Logger logger = LoggerFactory.getLogger(OCLParaCSRModel4.class);
private final Slf4JStopWatch watch = new Slf4JStopWatch(logger);
private final static String MODEL_SOURCE = "kernels/mior_model_multisim4.cl";
private final IMiorDistribution dist;
public OCLParaCSRModel4(int onbMM, int onbOM, int nbSim, IMiorDistribution dist) {
this.dist = dist;
System.out.println(dist);
//final double factor = dist.getMax() / ((double) onbOM);
this.nbOM = (int) (dist.getMaxFactor() * dist.getMeanOM());
this.nbMM = (int) (dist.getMaxFactor() * dist.getMeanMM());
this.nbSim = nbSim;
this.blockSize = Math.max(nbOM, nbMM);
// Allocate Java MIOR structures
this.mmList = new MiorMM[nbSim * nbMM];
this.omList = new MiorOM[nbSim * nbOM];
this.worlds = new MiorWorld[nbSim];
this.mmOffsets = new int[nbSim * nbMM];
this.omOffsets = new int[nbSim * nbOM];
//this.mmCSR = allocateStorage(nbSim * nbOM, nbMM);
//this.omCSR = allocateStorage(nbSim * nbMM, nbOM);
this.parts = new int[nbSim * nbMM * nbOM];
MiorUtils.initWorldArray(worlds, dist);
MiorUtils.initRandomMMArray(mmList, worlds[0].width);
MiorUtils.initRandomOMArray(omList, worlds[0].width);
// OpenCL allocations
watch.start("OpenCL setup");
this.context = new MCMContext();
this.queue = context.createCommandQueue(MCMCommandQueueProperty.ENABLE_PROFILING);
watch.stop();
System.out.println("NB_MM: " + nbMM + ", NB_OM: " + nbOM);
watch.start("Program compilation");
this.program = MCMUtils.compileFile(context, MODEL_SOURCE, " -DNB_MM=" + nbMM + " -DNB_OM=" + nbOM);// + " -g -O0");
watch.stop();
watch.start("Kernel allocation");
this.topoKernel = program.createKernel("topology");
this.simulateKernel = program.createKernel("simulate");
this.autoliveKernel = program.createKernel("autolive");
watch.stop();
watch.start("Memory allocation");
this.mmMem = context.newBuffer().Using(mmList).b();
this.omMem = context.newBuffer().Using(omList).b();
this.worldsMem = context.newBuffer().Using(worlds).b();
this.mmOffsetsMem = context.newBuffer().Size(nbSim * nbMM).b();
this.omOffsetsMem = context.newBuffer().Size(nbSim * nbOM).b();
//this.mmCSRMem = context.newBuffer().Using(mmCSR).b();
//this.omCSRMem = context.newBuffer().Using(omCSR).b();
this.partsMem = context.newBuffer().Using(new int[parts.length]).b();
watch.stop();
}
/*private int[] allocateStorage(int nbList, int listSize) {
return new int[nbList * (listSize + 1)];
}*/
@Override
public void setBlockSize(int blockSize) {
this.blockSize = blockSize;
}
@Override
public int getBlockSize() {
return blockSize;
}
@Override
public int getNbSimulations() {
return nbSim;
}
@Override
protected void resetImpl() {
// Initialise models
/*for (int i = 0; i < nbSim; i++) {
this.worlds[i] = new MiorWorld(nbMM, nbOM);
}*/
MiorUtils.initWorldArray(worlds, dist);
MiorUtils.initRandomMMArray(mmList, worlds[0].width);
MiorUtils.initRandomOMArray(omList, worlds[0].width);
if (mmCSR != null) Arrays.fill(mmCSR, 0);
if (omCSR != null) Arrays.fill(omCSR, 0);
Arrays.fill(parts, 0);
queue.enqueueWriteBuffer(mmMem, mmList, 0, mmMem.getSize());
queue.enqueueWriteBuffer(omMem, omList, 0, omMem.getSize());
queue.enqueueWriteBuffer(worldsMem, worlds, 0, worldsMem.getSize());
if (mmCSR != null) {
queue.enqueueWriteBuffer(mmCSRMem, Pointer.to(mmCSR), 0, mmCSRMem.getSize());
}
if (omCSR != null) {
queue.enqueueWriteBuffer(omCSRMem, Pointer.to(omCSR), 0, omCSRMem.getSize());
}
queue.enqueueWriteBuffer(partsMem, Pointer.to(parts), 0, partsMem.getSize());
queue.finish();
}
@Override
protected void doTopologyImpl() {
troveTopology();
queue.enqueueWriteBuffer(mmOffsetsMem, Pointer.to(mmOffsets), 0, mmOffsetsMem.getSize());
queue.enqueueWriteBuffer(mmOffsetsMem, Pointer.to(mmOffsets), 0, mmOffsetsMem.getSize());
this.mmCSRMem = context.newBuffer().Using(mmCSR).b();
this.omCSRMem = context.newBuffer().Using(omCSR).b();
queue.finish();
}
protected void doTopologyImplOld() {
// System.out.println(topoKernel.getArgumentsNumber());
topoKernel.setArguments(mmMem, omMem, worldsMem, mmCSRMem, omCSRMem); // associationsMem
MCMEvent event = queue.enqueueKernel(topoKernel, 2,
new long[] { nbSim * nbMM , nbOM} // Global size
);
/*OCLEvent event = queue.enqueueKernel(topoKernel, 2,
new long[] { nbMM , nbSim * nbOM}, // Global size
new long[] { 1, nbOM }
);*/
MCMEvent.waitFor(event);
MCMUtils.printEventStats("topology", event);
if (! isBatchModeEnabled()) {
queue.blockingReadBuffer(mmCSRMem, Pointer.to(mmCSR), 0, mmCSRMem.getSize());
queue.blockingReadBuffer(omCSRMem, Pointer.to(omCSR), 0, omCSRMem.getSize());
//System.out.println(Arrays.toString(mmCSR));
//queue.blockingReadBuffer(associationsMem, Pointer.to(associations), 0, associationsMem.getSize());
}
}
@Override
protected void doLiveImpl() {
//throw new UnsupportedOperationException();
simulateKernel.setArguments(mmMem, omMem, worldsMem, mmOffsetsMem, omOffsetsMem, mmCSRMem, omCSRMem, partsMem);
if (blockSize < Math.max(nbOM, nbMM)) {
throw new RuntimeException("blockSize (" + blockSize + ") is too small to execute the simulation");
}
MCMEvent event = queue.enqueue1DKernel(simulateKernel, nbSim * blockSize, blockSize);
MCMEvent.waitFor(event);
MCMUtils.printEventStats("simulate", event);
if (! isBatchModeEnabled()) {
queue.blockingReadBuffer(mmMem, mmList, 0, mmMem.getSize());
queue.blockingReadBuffer(omMem, omList, 0, omMem.getSize());
queue.blockingReadBuffer(worldsMem, worlds, 0, worldsMem.getSize());
System.out.println("copy");
}
}
@Override
public void doAutoLive() {
resetImpl();
doTopologyImpl();
if (blockSize < Math.max(nbOM, nbMM)) {
throw new RuntimeException("blockSize (" + blockSize + ") is too small to execute the simulation");
}
autoliveKernel.setArguments(mmMem, omMem, worldsMem, mmOffsetsMem, omOffsetsMem, mmCSRMem, omCSRMem, partsMem);
if (! isBatchModeEnabled()) {
int CO2 = -1;
while (CO2 == -1 || CO2 != worlds[0].CO2) {
CO2 = worlds[0].CO2;
System.out.println("CO2 = " + CO2);
doLive();
}
} else {
autoliveKernel.setArguments(mmMem, omMem, worldsMem, mmCSRMem, omCSRMem, partsMem);
MCMEvent event = queue.enqueue1DKernel(autoliveKernel, nbSim * blockSize, blockSize);
MCMEvent.waitFor(event);
MCMUtils.printEventStats("autolive", event);
}
onSimulationFinished();
}
@Override
protected void onSimulationFinished() {
queue.blockingReadBuffer(mmMem, mmList, 0, mmMem.getSize());
queue.blockingReadBuffer(omMem, omList, 0, omMem.getSize());
queue.blockingReadBuffer(worldsMem, worlds, 0, worldsMem.getSize());
//queue.blockingReadBuffer(associationsMem, Pointer.to(associations), 0, associationsMem.getSize());
queue.blockingReadBuffer(partsMem, Pointer.to(parts), 0, partsMem.getSize());
super.onSimulationFinished();
}
@Override
protected void releaseImpl() {
partsMem.release();
omCSRMem.release();
mmCSRMem.release();
//associationsMem.release();
worldsMem.release();
omMem.release();
mmMem.release();
autoliveKernel.release();
simulateKernel.release();
topoKernel.release();
program.release();
queue.release();
context.release();
}
@Override
public MiorWorld getWorld() {
return worlds[0];
}
@Override
public MiorOM[] getOMList() {
return Arrays.copyOfRange(omList, 0, nbOM);
}
@Override
public MiorMM[] getMMList() {
return Arrays.copyOfRange(mmList, 0, nbMM);
}
@Override
public boolean isAccessible(int iMM, int iOM) {
return false;
//return associations[iMM * nbOM + iOM] != -1;
}
@Override
public boolean isAccessible(int iMM, int iOM, int iSim) {
return false;
//return associations[iSim * nbMM * nbOM + iMM * nbOM + iOM] != -1;
}
private void troveTopology() {
//int[] mmOffsets = new int[nbSim * nbMM];
//int[] omOffsets = new int[nbSim * nbOM];
int[] mmSizes = new int[nbSim * nbMM];
int[] omSizes = new int[nbSim * nbOM];
DynamicArray mmCSR = new DynamicArray();
DynamicArray omCSR = new DynamicArray();
BitSet bitmap = new BitSet();
for (int iSim = 0; iSim < nbSim; iSim++) {
final MiorWorld world = worlds[iSim];
for (int iMM = 0; iMM < world.nbMM; iMM++) {
for (int iOM = 0; iOM < world.nbOM; iOM++) {
final float dx = omList[iSim * nbOM + iOM].x - mmList[iSim * nbMM + iMM].x;
final float dy = omList[iSim * nbOM + iOM].y - mmList[iSim * nbMM + iMM].y;
final double distance = Math.sqrt(dx * dx + dy * dy);
if (distance <= world.RA) {
mmSizes[iSim * nbMM + iMM]++;
omSizes[iSim * nbOM + iOM]++;
bitmap.set(iSim * nbOM * nbMM + iMM * nbOM + iOM);
//System.out.println("Store link " + iMM + " - " + iOM);
}
}
}
}
for (int i = 1; i < nbSim * nbMM; i++) {
mmOffsets[i] = mmOffsets[i - 1] + mmSizes[i - 1] + 1;
mmCSR.set(mmOffsets[i], 0);
}
for (int i = 1; i < nbSim * nbOM; i++) {
omOffsets[i] = omOffsets[i - 1] + omSizes[i - 1] + 1;
omCSR.set(omOffsets[i], 0 /*omSizes[i]*/);
}
for (int iSim = 0; iSim < nbSim; iSim++) {
final MiorWorld world = worlds[iSim];
for (int iMM = 0; iMM < world.nbMM; iMM++) {
final int mmIndex = iSim * nbMM + iMM;
for (int iOM = 0; iOM < world.nbOM; iOM++) {
final int omIndex = iSim * nbOM + iOM;
if (bitmap.get(iSim * nbOM * nbMM + iMM * nbOM + iOM)) {
list_add(omCSR, omOffsets[omIndex], mmIndex);
list_add(mmCSR, mmOffsets[mmIndex], omIndex);
//System.out.println("Add link " + iMM + " - " + iOM);
}
}
}
}
this.mmCSR = mmCSR.toArray();
this.omCSR = omCSR.toArray();
/*
System.out.println("nbSim: " + nbSim);
System.out.println("mmSizes: " + Arrays.toString(mmSizes));
System.out.println("mmOffsets: " + Arrays.toString(mmOffsets));
System.out.println("mmCSR: " + Arrays.toString(this.mmCSR));
System.out.println("omSizes: " + Arrays.toString(omSizes));
System.out.println("omOffsets: " + Arrays.toString(omOffsets));
System.out.println("omCSR: " + Arrays.toString(this.omCSR));*/
}
private void list_add(DynamicArray list, int index, int val) {
final int offset = list.get(index);
list.set(offset + 1 + index, val);
list.set(index, offset + 1);
}
}
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