fixed a bug for the OpenCL backend under Python 3

Author: benvanwerkhoven

examples/opencl/convolution.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import numpy
 import kernel_tuner
+from collections import OrderedDict
 
 with open('convolution.cl', 'r') as f:
     kernel_string = f.read()
@@ -14,7 +15,7 @@
 filter = numpy.random.randn(17*17).astype(numpy.float32)
 
 args = [output, input, filter]
-tune_params = dict()
+tune_params = OrderedDict()
 tune_params["block_size_x"] = [16*i for i in range(1,9)]
 tune_params["block_size_y"] = [2**i for i in range(6)]
 

examples/opencl/convolution_correct.py

@@ -24,6 +24,7 @@
 """
 import numpy
 import kernel_tuner
+from collections import OrderedDict
 
 with open('convolution.cl', 'r') as f:
     kernel_string = f.read()
@@ -37,7 +38,7 @@
 filter = numpy.random.randn(17*17).astype(numpy.float32)
 
 args = [output, input, filter]
-tune_params = dict()
+tune_params = OrderedDict()
 tune_params["block_size_x"] = [16*i for i in range(1,9)]
 tune_params["block_size_y"] = [2**i for i in range(6)]
 

examples/opencl/matmul.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import numpy
 import kernel_tuner
+from collections import OrderedDict
 
 problem_size = (4096, 4096)
 size = numpy.prod(problem_size)
@@ -10,7 +11,7 @@
 C = numpy.zeros_like(A)
 
 args = [C, A, B]
-tune_params = dict()
+tune_params = OrderedDict()
 tune_params["block_size_x"] = [16*2**i for i in range(3)]
 tune_params["block_size_y"] = [2**i for i in range(6)]
 

examples/opencl/vector_add.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-
 import numpy
 from kernel_tuner import tune_kernel
 

kernel_tuner/opencl.py

@@ -146,7 +146,7 @@ def memset(self, buffer, value, size):
 
         """
         if isinstance(buffer, cl.Buffer):
-            cl.enqueue_fill_buffer(self.queue, buffer, numpy.array(value).astype(numpy.float32), 0, size/4)
+            cl.enqueue_fill_buffer(self.queue, buffer, numpy.array(value).astype(numpy.float32), 0, size//4)
 
     def memcpy_dtoh(self, dest, src):
         """perform a device to host memory copy