Package com.nativelibs4java.opencl

Examples of com.nativelibs4java.opencl.CLFloatBuffer


    FloatBuffer resultArray = NIOUtils.directFloats(10, context.getByteOrder());
   
    array1.put(A);
    array2.put(B);
   
    CLFloatBuffer b1 = context.createFloatBuffer(Usage.Input, array1, true);
    CLFloatBuffer b2 = context.createFloatBuffer(Usage.Input, array2, true);
    CLFloatBuffer b3 = context.createFloatBuffer(Usage.Output, resultArray, false);

    CLProgram program;
    try {
      program = context.createProgram(myKernelSource).build();
      CLKernel kernel = program.createKernel(
              "simpleKernel",
              b1,
              b2,
              b3
      );
     
     
     
      CLEvent kernelCompletion;
      // The same kernel can be safely used by different threads, as long as setArgs + enqueueNDRange are in a synchronized block
      synchronized (kernel) {
          //kernel.setArgs(b1,b2,b3);
          kernelCompletion = kernel.enqueueNDRange(queue, new int[] { A.length }, new int[] { 1 } );
      }
      kernelCompletion.waitFor(); // better not to wait for it but to pass it as a dependent event to some other queuable operation (CLBuffer.read, for instance)
     
      FloatBuffer f = b3.read(queue, kernelCompletion);
     
      for(int i=0;i<A.length;i++) {
        System.out.println( A[i] + " * " + B[i] + " = " + f.get(i));
      }
     
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