diff options
Diffstat (limited to 'src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java')
| -rw-r--r-- | src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java b/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java index ee7e11d..0e1a250 100644 --- a/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java +++ b/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java @@ -3,6 +3,8 @@ package com.mbien.opencl.demos.fractal; import com.mbien.opencl.CLBuffer; import com.mbien.opencl.CLCommandQueue; import com.mbien.opencl.CLDevice; +import com.mbien.opencl.CLEvent; +import com.mbien.opencl.CLEventList; import com.mbien.opencl.CLException; import com.mbien.opencl.CLGLBuffer; import com.mbien.opencl.CLGLContext; @@ -38,6 +40,8 @@ import javax.swing.SwingUtilities; import static com.sun.gluegen.runtime.BufferFactory.*; import static javax.media.opengl.GL2.*; import static com.mbien.opencl.CLMemory.Mem.*; +import static com.mbien.opencl.CLEvent.ProfilingCommand.*; +import static com.mbien.opencl.CLCommandQueue.Mode.*; import static com.mbien.opencl.CLDevice.Type.*; import static java.lang.Math.*; @@ -60,7 +64,7 @@ public class MultiDeviceFractal implements GLEventListener { private CLGLContext clContext; private CLCommandQueue[] queues; private CLKernel[] kernels; - + private CLEventList probes; private CLGLBuffer<IntBuffer>[] pboBuffers; private int width = 0; @@ -133,6 +137,7 @@ public class MultiDeviceFractal implements GLEventListener { // create command queues for every GPU, setup colormap and init kernels queues = new CLCommandQueue[slices]; kernels = new CLKernel[slices]; + probes = new CLEventList(slices); for (int i = 0; i < slices; i++) { @@ -140,7 +145,7 @@ public class MultiDeviceFractal implements GLEventListener { initColorMap(colorMap.getBuffer(), 32, Color.BLUE, Color.GREEN, Color.RED); // create command queue and upload color map buffer on each used device - queues[i] = devices[i].createCommandQueue().putWriteBuffer(colorMap, true); // blocking upload + queues[i] = devices[i].createCommandQueue(PROFILING_MODE).putWriteBuffer(colorMap, true); // blocking upload // init kernel with constants kernels[i] = program.createCLKernel("mandelbrot") @@ -236,17 +241,22 @@ public class MultiDeviceFractal implements GLEventListener { float rangeX = (maxX - minX) / slices; float rangeY = (maxY - minY); + // release all old events, you can't reuse events in OpenCL + probes.release(); + for (int i = 0; i < slices; i++) { kernels[i].putArg(pboBuffers[i]) - .putArg(sliceWidth).putArg(height) - .putArg(minX + rangeX*i).putArg(minY) - .putArg( rangeX ).putArg(rangeY) - .rewind(); + .putArg(sliceWidth).putArg(height) + .putArg(minX + rangeX*i).putArg(minY) + .putArg( rangeX ).putArg(rangeY) + .rewind(); + // aquire GL objects, and enqueue a kernel with a probe from the list queues[i].putAcquireGLObject(pboBuffers[i].ID) - .put2DRangeKernel(kernels[i], 0, 0, sliceWidth, height, 0, 0) + .put2DRangeKernel(kernels[i], 0, 0, sliceWidth, height, 0, 0, probes) .putReleaseGLObject(pboBuffers[i].ID); + } } @@ -273,7 +283,14 @@ public class MultiDeviceFractal implements GLEventListener { //draw info text textRenderer.beginRendering(width, height, false); - textRenderer.draw("#GPUs: "+slices, 10, 10); + + for (int i = 0; i < slices; i++) { + CLEvent event = probes.getEvent(i); + long start = event.getProfilingInfo(START); + long end = event.getProfilingInfo(END); + textRenderer.draw("GPU"+i +" "+(int)((end-start)/1000000.0f)+"ms", 10, 10+16*(slices-i)); + } + textRenderer.endRendering(); } |