Skip to content
GitLab
Commit ef61e0ea authored by Benedikt Zoennchen's avatar Benedikt Zoennchen
Browse files

re-enable EikMesh on the GPU.

parent 49b9dc91
Pipeline #264620 failed with stages
in 1 minute and 25 seconds
Hide whitespace changes
Inline Side-by-side
VadereMeshing/src/org/vadere/meshing/mesh/triangulation/improver/eikmesh/opencl/CLEikMeshHE.java
View file @ ef61e0ea
......@@ -142,17 +142,17 @@ public class CLEikMeshHE implements IMeshImprover<AVertex, AHalfEdge, AFace>, IT
return nSteps >= MAX_STEPS;
}
public void step() {
public void step() throws OpenCLException {
step(true);
}
public boolean step(boolean flipAll) {
public boolean step(boolean flipAll) throws OpenCLException {
hasToRead = true;
nSteps++;
return clDistMesh.step(flipAll);
}
public void finish() {
public void finish() throws OpenCLException {
clDistMesh.finish();
}
......@@ -239,7 +239,11 @@ public class CLEikMeshHE implements IMeshImprover<AVertex, AHalfEdge, AFace>, IT
@Override
public void improve() {
step();
try {
step();
} catch (OpenCLException e) {
e.printStackTrace();
}
}
}
VadereMeshing/src/org/vadere/meshing/mesh/triangulation/plots/VisualTestGPUEdgeBased.java
View file @ ef61e0ea
......@@ -27,7 +27,7 @@ public class VisualTestGPUEdgeBased {
private static final Logger log = Logger.getLogger(RunTimeGPUEdgeBased.class);
private static final VRectangle bbox = new VRectangle(-11, -11, 22, 22);
private static final IEdgeLengthFunction uniformEdgeLength = p -> 1.0;
private static final IEdgeLengthFunction uniformEdgeLength = p -> 0.3;
private static final IPointConstructor<EikMeshPoint> pointConstructor = (x, y) -> new EikMeshPoint(x, y, false);
private static final double initialEdgeLength = 1.5;
......
VadereMeshing/src/org/vadere/meshing/mesh/triangulation/plots/VisualTestGPUVertexBased.java
View file @ ef61e0ea
......@@ -26,7 +26,7 @@ public class VisualTestGPUVertexBased {
private static final Logger log = Logger.getLogger(RunTimeGPUEdgeBased.class);
private static final VRectangle bbox = new VRectangle(-11, -11, 22, 22);
private static final IEdgeLengthFunction uniformEdgeLength = p -> 1.0;
private static final IEdgeLengthFunction uniformEdgeLength = p -> 0.5;
private static final IPointConstructor<EikMeshPoint> pointConstructor = (x, y) -> new EikMeshPoint(x, y, false);
private static final double initialEdgeLength = 0.5;
......@@ -62,6 +62,7 @@ public class VisualTestGPUVertexBased {
e.printStackTrace();
}
distmeshPanel.repaint();
//System.out.println("wtf");
}
overAllTime.stop();
meshGenerator.finish();
......
VadereMeshing/src/org/vadere/meshing/opencl/CLDistMesh.java
View file @ ef61e0ea
......@@ -128,13 +128,13 @@ public class CLDistMesh extends CLOperation {
private AMesh mesh;
private boolean doublePrecision = false;
private boolean doublePrecision = true;
private List<IPoint> result;
private boolean hasToRead = false;
public CLDistMesh(@NotNull final AMesh mesh) {
super(CL_DEVICE_TYPE_CPU);
super(CL_DEVICE_TYPE_GPU);
profiling = true;
if(profiling) {
Configuration.DEBUG.set(true);
......
VadereMeshing/src/org/vadere/meshing/opencl/CLDistMeshHE.java
View file @ ef61e0ea
......@@ -13,6 +13,7 @@ import org.vadere.meshing.mesh.gen.AVertex;
import org.vadere.meshing.mesh.gen.CLGatherer;
import org.vadere.util.geometry.shapes.IPoint;
import org.vadere.util.opencl.CLInfo;
import org.vadere.util.opencl.CLOperation;
import org.vadere.util.opencl.CLUtils;
import org.vadere.util.opencl.OpenCLException;
......@@ -34,16 +35,13 @@ import static org.lwjgl.system.MemoryUtil.memUTF8;
*
* DistMesh GPU implementation.
*/
public class CLDistMeshHE {
public class CLDistMeshHE extends CLOperation {
private static Logger log = Logger.getLogger(CLDistMeshHE.class);
// CL ids
private long clPlatform;
private long clDevice;
private long clContext;
private long clQueue;
private long clProgram;
static {
log.setDebug();
}
// CL kernel ids
private long clKernelForces;
......@@ -124,12 +122,11 @@ public class CLDistMeshHE {
private AMesh mesh;
private boolean doublePrecision = false;
private boolean profiling = false;
private boolean doublePrecision = true;
private boolean hasToRead = false;
public CLDistMeshHE(@NotNull AMesh mesh) {
super(CL_DEVICE_TYPE_GPU);
this.mesh = mesh;
this.mesh.garbageCollection();
if(doublePrecision) {
......@@ -153,77 +150,6 @@ public class CLDistMeshHE {
}
}
private void initCallbacks() {
contextCB = CLContextCallback.create((errinfo, private_info, cb, user_data) ->
{
log.warn("[LWJGL] cl_context_callback");
log.warn("\tInfo: " + memUTF8(errinfo));
});
programCB = CLProgramCallback.create((program, user_data) ->
{
try {
log.info("The cl_program [0x"+program+"] was built " + (CLInfo.getProgramBuildInfoInt(program, clDevice, CL_PROGRAM_BUILD_STATUS) == CL_SUCCESS ? "successfully" : "unsuccessfully"));
String message = CLInfo.getProgramBuildInfoStringASCII(program, clDevice, CL_PROGRAM_BUILD_LOG);
if (!message.isEmpty()) {
log.info("BUILD LOG:\n----\n"+message+"\n-----");
}
}
catch (OpenCLException e) {
log.error(e);
e.printStackTrace();
}
});
}
private void initCL() throws OpenCLException {
try (MemoryStack stack = stackPush()) {
// helper for the memory allocation in java
//stack = MemoryStack.stackPush();
IntBuffer errcode_ret = stack.callocInt(1);
IntBuffer numberOfPlatforms = stack.mallocInt(1);
IntBuffer numberOfDevices = stack.mallocInt(1);
clGetPlatformIDs(null, numberOfPlatforms);
PointerBuffer platformIDs = stack.mallocPointer(numberOfPlatforms.get(0));
clGetPlatformIDs(platformIDs, numberOfPlatforms);
clPlatform = platformIDs.get(0);
clGetDeviceIDs(clPlatform, CL_DEVICE_TYPE_CPU, null, numberOfDevices);
PointerBuffer deviceIDs = stack.mallocPointer(numberOfDevices.get(0));
clGetDeviceIDs(clPlatform, CL_DEVICE_TYPE_CPU, deviceIDs, numberOfDevices);
clDevice = deviceIDs.get(0);
printDeviceInfo(clDevice, "CL_DEVICE_NAME", CL_DEVICE_NAME);
PointerBuffer ctxProps = stack.mallocPointer(3);
ctxProps.put(CL_CONTEXT_PLATFORM)
.put(clPlatform)
.put(NULL)
.flip();
clContext = clCreateContext(ctxProps, clDevice, contextCB, NULL, errcode_ret);
CLInfo.checkCLError(errcode_ret);
if(profiling) {
clQueue = clCreateCommandQueue(clContext, clDevice, CL_QUEUE_PROFILING_ENABLE, errcode_ret);
}
else {
clQueue = clCreateCommandQueue(clContext, clDevice, 0, errcode_ret);
}
CLInfo.checkCLError(errcode_ret);
PointerBuffer pp = stack.mallocPointer(1);
clGetDeviceInfo(clDevice, CL_DEVICE_MAX_WORK_GROUP_SIZE, pp, null);
maxGroupSize = pp.get(0);
clGetDeviceInfo(clDevice, CL_DEVICE_MAX_COMPUTE_UNITS, pp, null);
maxComputeUnits = pp.get(0);
log.info("MAX_GRP_SIZE = " + maxGroupSize);
log.info("MAX_COMPUTE_UNITS = " + maxComputeUnits);
}
}
private void buildProgram() throws OpenCLException {
try (MemoryStack stack = stackPush()) {
IntBuffer errcode_ret = stack.callocInt(1);
......@@ -252,11 +178,17 @@ public class CLDistMeshHE {
clKernelLengths = clCreateKernel(clProgram, "computeLengths", errcode_ret);
CLInfo.checkCLError(errcode_ret);
PointerBuffer pp = stack.mallocPointer(1);
clGetKernelWorkGroupInfo(clKernelLengths, clDevice, CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE, pp, null);
prefdWorkGroupSizeMultiple = pp.get(0);
log.info("PREF_WORK_GRP_SIZE_MUL = " + prefdWorkGroupSizeMultiple);
clGetDeviceInfo(clDevice, CL_DEVICE_MAX_WORK_GROUP_SIZE, pp, null);
maxGroupSize = pp.get(0);
clGetDeviceInfo(clDevice, CL_DEVICE_MAX_COMPUTE_UNITS, pp, null);
maxComputeUnits = pp.get(0);
clKernelPartialSF = clCreateKernel(clProgram, "computePartialSF", errcode_ret);
CLInfo.checkCLError(errcode_ret);
clKernelCompleteSF = clCreateKernel(clProgram, "computeCompleteSF", errcode_ret);
......@@ -356,7 +288,7 @@ public class CLDistMeshHE {
clSetKernelArg1p(clKernelForces, 4, clScalingFactor);
clSetKernelArg1p(clKernelForces, 5, clForces);
// clSetKernelArg1i(clKernelMove, 0, numberOfVertices);
// clSetKernelArg1i(clKernelMove, 0, numberOfVertices);
clSetKernelArg1p(clKernelMove, 0, clVertices);
clSetKernelArg1p(clKernelMove, 1, clBorderVertices);
clSetKernelArg1p(clKernelMove, 2, clForces);
......@@ -444,12 +376,12 @@ public class CLDistMeshHE {
}
}*/
public boolean step() {
public boolean step() throws OpenCLException {
return step(true);
}
// TODO: think about the use of only 1 work-group!!! It might be bad! solution: use global barrier? force computation? flip hangs after some time?
public boolean step(final boolean flipAll) {
public boolean step(final boolean flipAll) throws OpenCLException {
try (MemoryStack stack = stackPush()) {
/*
......@@ -528,25 +460,6 @@ public class CLDistMeshHE {
return false;
}
private long enqueueNDRangeKernel(final String name, long command_queue, long kernel, int work_dim, PointerBuffer global_work_offset, PointerBuffer global_work_size, PointerBuffer local_work_size, PointerBuffer event_wait_list, PointerBuffer event) {
if(profiling) {
long result = clEnqueueNDRangeKernel(command_queue, kernel, work_dim, global_work_offset, global_work_size, local_work_size, event_wait_list, clEvent);
clWaitForEvents(clEvent);
long eventAddr = clEvent.get();
clGetEventProfilingInfo(eventAddr, CL_PROFILING_COMMAND_START, startTime, retSize);
clGetEventProfilingInfo(eventAddr, CL_PROFILING_COMMAND_END, endTime, retSize);
clEvent.clear();
// in nanaSec
log.info(name + " event time " + "0x"+eventAddr + ": " + (endTime.getLong() - startTime.getLong()) + " ns");
endTime.clear();
startTime.clear();
return result;
}
else {
return clEnqueueNDRangeKernel(command_queue, kernel, work_dim, global_work_offset, global_work_size, local_work_size, event_wait_list, event);
}
}
private void readResultFromGPU() {
try (MemoryStack stack = stackPush()) {
if(doublePrecision) {
......@@ -606,7 +519,8 @@ public class CLDistMeshHE {
return tmp;
}
private void clearCL() {
@Override
protected void clearCL() throws OpenCLException {
clReleaseMemObject(clVertices);
clReleaseMemObject(clBorderVertices);
clReleaseMemObject(clEdges);
......@@ -634,11 +548,7 @@ public class CLDistMeshHE {
clReleaseKernel(clKernelLabelEdges);
clReleaseKernel(clKernelLabelEdgesUpdate);
contextCB.free();
programCB.free();
clReleaseCommandQueue(clQueue);
clReleaseProgram(clProgram);
clReleaseContext(clContext);
super.clearCL();
}
private void clearHost() {
......@@ -679,7 +589,7 @@ public class CLDistMeshHE {
//printResult();
}
public void finish() {
public void finish() throws OpenCLException {
refresh();
//updateMesh();
clearCL();
......@@ -735,6 +645,4 @@ public class CLDistMeshHE {
private static void printDeviceInfo(long device, String param_name, int param) throws OpenCLException {
System.out.println("\t" + param_name + " = " + CLInfo.getDeviceInfoStringUTF8(device, param));
}
}
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment

LRZ Homepage | Datenschutz | Dokumentation und Betriebsbedingungen | Impressum