Merge pull request #5459 from bscellier/import_numpy_misc

theano/misc/check_blas.py

@@ -13,7 +13,7 @@ import time
 from optparse import OptionParser
 import subprocess
 
-import numpy
+import numpy as np
 import theano
 import theano.tensor as T
 
@@ -47,10 +47,10 @@ def execute(execute=True, verbose=True, M=2000, N=2000, K=2000,
         print()
         print('Numpy config: (used when the Theano flag'
               ' "blas.ldflags" is empty)')
-        numpy.show_config()
-        print('Numpy dot module:', numpy.dot.__module__)
-        print('Numpy location:', numpy.__file__)
-        print('Numpy version:', numpy.__version__)
+        np.show_config()
+        print('Numpy dot module:', np.dot.__module__)
+        print('Numpy location:', np.__file__)
+        print('Numpy version:', np.__version__)
         if (theano.config.device.startswith("gpu") or
                 theano.config.init_gpu_device.startswith("gpu")):
             print('nvcc version:')
@@ -58,12 +58,12 @@ def execute(execute=True, verbose=True, M=2000, N=2000, K=2000,
                              "--version"))
             print()
 
-    a = theano.shared(numpy.ones((M, N), dtype=theano.config.floatX,
-                                 order=order))
-    b = theano.shared(numpy.ones((N, K), dtype=theano.config.floatX,
-                                 order=order))
-    c = theano.shared(numpy.ones((M, K), dtype=theano.config.floatX,
-                                 order=order))
+    a = theano.shared(np.ones((M, N), dtype=theano.config.floatX,
+                              order=order))
+    b = theano.shared(np.ones((N, K), dtype=theano.config.floatX,
+                              order=order))
+    c = theano.shared(np.ones((M, K), dtype=theano.config.floatX,
+                              order=order))
     f = theano.function([], updates=[(c, 0.4 * c + .8 * T.dot(a, b))])
 
     if any([x.op.__class__.__name__ == 'Gemm' for x in

theano/misc/check_multi_gpu.py

@@ -9,7 +9,7 @@ from __future__ import absolute_import, print_function, division
 import threading
 import time
 
-import numpy
+import numpy as np
 
 import theano
 from theano.gpuarray import init_dev
@@ -21,7 +21,7 @@ def main(dev1, dev2):
     init_dev(dev2, 'ctx2')
 
     size = 1024 * 16
-    data = numpy.random.randn(size, size).astype('float32')
+    data = np.random.randn(size, size).astype('float32')
     val1a = theano.shared(data, target='ctx1')
     val1b = theano.shared(data, target='ctx1')
     val1c = theano.shared(data, target='ctx1')

theano/misc/latence_gpu_transfert.py

@@ -2,18 +2,18 @@ from __future__ import absolute_import, print_function, division
 
 import time
 
-import numpy
+import numpy as np
 
 import theano
 
 y = theano.tensor.fvector()
-x = theano.shared(numpy.zeros(1, dtype='float32'))
+x = theano.shared(np.zeros(1, dtype='float32'))
 f1 = theano.function([y], updates={x: y})
 f2 = theano.function([], theano.sandbox.cuda.host_from_gpu(x))
 print(f1.maker.fgraph.toposort())
 print(f2.maker.fgraph.toposort())
 for i in [1, 10, 100, 1000, 10000, 100000, 1000000, 10000000]:
-    o = numpy.zeros(i, dtype='float32')
+    o = np.zeros(i, dtype='float32')
     t0 = time.time()
     f1(o)
     t1 = time.time()

theano/misc/may_share_memory.py

@@ -4,7 +4,7 @@ numpy version support only ndarray.
 """
 from __future__ import absolute_import, print_function, division
 
-import numpy
+import numpy as np
 from theano.tensor.basic import TensorType
 
 try:
@@ -42,8 +42,8 @@ else:
 
 
 def may_share_memory(a, b, raise_other_type=True):
-    a_ndarray = isinstance(a, numpy.ndarray)
-    b_ndarray = isinstance(b, numpy.ndarray)
+    a_ndarray = isinstance(a, np.ndarray)
+    b_ndarray = isinstance(b, np.ndarray)
     if a_ndarray and b_ndarray:
         return TensorType.may_share_memory(a, b)
     a_cuda = _is_cuda(a)

theano/misc/pkl_utils.py

@@ -5,7 +5,7 @@ These pickled graphs can be used, for instance, as cases for
 unit tests or regression tests.
 """
 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 import os
 import pickle
 import sys
@@ -188,10 +188,10 @@ class PersistentNdarrayID(object):
         return name
 
     def __call__(self, obj):
-        if type(obj) is numpy.ndarray:
+        if type(obj) is np.ndarray:
             if id(obj) not in self.seen:
                 def write_array(f):
-                    numpy.lib.format.write_array(f, obj)
+                    np.lib.format.write_array(f, obj)
                 name = self._resolve_name(obj)
                 zipadd(write_array, self.zip_file, name)
                 self.seen[id(obj)] = 'ndarray.{0}'.format(name)
@@ -204,7 +204,7 @@ class PersistentCudaNdarrayID(PersistentNdarrayID):
                 type(obj) is cuda_ndarray.cuda_ndarray.CudaNdarray):
             if id(obj) not in self.seen:
                 def write_array(f):
-                    numpy.lib.format.write_array(f, numpy.asarray(obj))
+                    np.lib.format.write_array(f, np.asarray(obj))
                 name = self._resolve_name(obj)
                 zipadd(write_array, self.zip_file, name)
                 self.seen[id(obj)] = 'cuda_ndarray.{0}'.format(name)
@@ -283,7 +283,7 @@ class PersistentNdarrayLoad(object):
         if name in self.cache:
             return self.cache[name]
         ret = None
-        array = numpy.lib.format.read_array(self.zip_file.open(name))
+        array = np.lib.format.read_array(self.zip_file.open(name))
         if array_type == 'cuda_ndarray':
             if config.experimental.unpickle_gpu_on_cpu:
                 # directly return numpy array
@@ -335,10 +335,10 @@ def dump(obj, file_handler, protocol=DEFAULT_PROTOCOL,
     >>> foo_1 = theano.shared(0, name='foo')
     >>> foo_2 = theano.shared(1, name='foo')
     >>> with open('model.zip', 'wb') as f:
-    ...     dump((foo_1, foo_2, numpy.array(2)), f)
-    >>> numpy.load('model.zip').keys()
+    ...     dump((foo_1, foo_2, np.array(2)), f)
+    >>> np.load('model.zip').keys()
     ['foo', 'foo_2', 'array_0', 'pkl']
-    >>> numpy.load('model.zip')['foo']
+    >>> np.load('model.zip')['foo']
     array(0)
     >>> with open('model.zip', 'rb') as f:
     ...     foo_1, foo_2, array = load(f)

theano/misc/pycuda_example.py

@@ -22,7 +22,7 @@ TheanoElementwiseKernel.
 from __future__ import absolute_import, print_function, division
 from itertools import chain
 
-import numpy
+import numpy as np
 
 import theano
 from six.moves import xrange
@@ -257,13 +257,13 @@ class PycudaElemwiseSourceModuleOp(GpuOp):
                             " inputs don't have the same shape!")
 
         if inputs[0].size > 512:
-            grid = (int(numpy.ceil(inputs[0].size / 512.)), 1)
+            grid = (int(np.ceil(inputs[0].size / 512.)), 1)
             block = (512, 1, 1)
         else:
             grid = (1, 1)
             block = (inputs[0].shape[0], inputs[0].shape[1], 1)
         self.pycuda_fct(inputs[0], inputs[1], z[0],
-                        numpy.intc(inputs[1].size), block=block, grid=grid)
+                        np.intc(inputs[1].size), block=block, grid=grid)
 
 
 class PycudaElemwiseSourceModuleMakeThunkOp(Op):
@@ -349,13 +349,13 @@ class PycudaElemwiseSourceModuleMakeThunkOp(Op):
                                 " inputs don't have the same shape!")
 
             if inputs[0][0].size > 512:
-                grid = (int(numpy.ceil(inputs[0][0].size / 512.)), 1)
+                grid = (int(np.ceil(inputs[0][0].size / 512.)), 1)
                 block = (512, 1, 1)
             else:
                 grid = (1, 1)
                 block = (inputs[0][0].shape[0], inputs[0][0].shape[1], 1)
             pycuda_fct(inputs[0][0], inputs[1][0], z[0],
-                       numpy.intc(inputs[1][0].size), block=block,
+                       np.intc(inputs[1][0].size), block=block,
                        grid=grid)
         thunk.inputs = inputs
         thunk.outputs = outputs

theano/misc/safe_asarray.py

@@ -3,7 +3,7 @@ Helper function to safely convert an array to a new data type.
 """
 from __future__ import absolute_import, print_function, division
 
-import numpy
+import numpy as np
 
 import theano
 
@@ -30,8 +30,8 @@ def _asarray(a, dtype, order=None):
     """
     if str(dtype) == 'floatX':
         dtype = theano.config.floatX
-    dtype = numpy.dtype(dtype)  # Convert into dtype object.
-    rval = numpy.asarray(a, dtype=dtype, order=order)
+    dtype = np.dtype(dtype)  # Convert into dtype object.
+    rval = np.asarray(a, dtype=dtype, order=order)
     # Note that dtype comparison must be done by comparing their `num`
     # attribute. One cannot assume that two identical data types are pointers
     # towards the same object (e.g. under Windows this appears not to be the

theano/misc/tests/test_cudamat_utils.py

 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 import theano
 from theano.misc.cudamat_utils import cudamat_available
 
@@ -20,7 +20,7 @@ def test(shape=(3, 4)):
     U = gpu(theano.tensor.fmatrix('U'))
     ii = theano.function([U], gpu(U + 1))
 
-    A_cpu = numpy.asarray(numpy.random.rand(*shape), dtype="float32")
+    A_cpu = np.asarray(np.random.rand(*shape), dtype="float32")
     A_cnd = theano.sandbox.cuda.CudaNdarray(A_cpu)
     A_cmat = cudandarray_to_cudamat(A_cnd)
 
@@ -28,9 +28,9 @@ def test(shape=(3, 4)):
     B_cnd = ii(A_cnd)
 
     u = A_cnd.copy()
-    u += theano.sandbox.cuda.CudaNdarray(numpy.asarray([[1]], dtype='float32'))
-    u = numpy.asarray(u)
-    v = numpy.asarray(B_cnd)
+    u += theano.sandbox.cuda.CudaNdarray(np.asarray([[1]], dtype='float32'))
+    u = np.asarray(u)
+    v = np.asarray(B_cnd)
     w = A_cmat.add(1).asarray()
 
     assert abs(u - v).max() == 0

theano/misc/tests/test_gnumpy_utils.py

 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 
 import theano
 from theano.misc.gnumpy_utils import gnumpy_available
@@ -31,11 +31,10 @@ def test(shape=(3, 4, 5)):
     B_cnd = ii(A_cnd)
     B = cudandarray_to_garray(B_cnd)
     assert A_cnd.shape == A.shape
-    from numpy import array
 
     u = (A + 1).asarray()
     v = B.asarray()
-    w = array(B_cnd)
+    w = np.array(B_cnd)
     assert (u == v).all()
     assert (u == w).all()
 
@@ -49,7 +48,7 @@ def test2(shape=(3, 4, 5)):
     U = gpu(theano.tensor.ftensor3('U'))
     theano.function([U], gpu(U + 1))
 
-    A = numpy.random.rand(*shape).astype('float32')
+    A = np.random.rand(*shape).astype('float32')
     A_cnd = theano.sandbox.cuda.CudaNdarray(A)
     A_gar = cudandarray_to_garray(A_cnd)
     assert A_cnd.shape == A_gar.shape
@@ -62,7 +61,7 @@ def test2(shape=(3, 4, 5)):
     # dtype always float32
     assert A_cnd._strides == B._strides
     assert A_cnd.gpudata == B.gpudata
-    v = numpy.asarray(B)
+    v = np.asarray(B)
     assert (v == A).all()
 
 

theano/misc/tests/test_may_share_memory.py

@@ -3,7 +3,7 @@ test the tensor and sparse type. The CudaNdarray type is tested in
 sandbox/cuda/tests/test_tensor_op.py.test_may_share_memory_cuda
 """
 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 import theano
 
 try:
@@ -16,8 +16,8 @@ from theano.misc.may_share_memory import may_share_memory
 
 
 def test_may_share_memory():
-    a = numpy.random.rand(5, 4)
-    b = numpy.random.rand(5, 4)
+    a = np.random.rand(5, 4)
+    b = np.random.rand(5, 4)
     va = a.view()
     vb = b.view()
     ra = a.reshape((4, 5))

theano/misc/tests/test_pkl_utils.py

@@ -4,8 +4,7 @@ import shutil
 import unittest
 from tempfile import mkdtemp
 
-import numpy
-from numpy.testing import assert_allclose
+import numpy as np
 from nose.plugins.skip import SkipTest
 
 import theano
@@ -44,7 +43,7 @@ class T_dump_load(unittest.TestCase):
             x = load(f)
 
         assert x.name == 'x'
-        assert_allclose(x.get_value(), [[1]])
+        np.testing.assert_allclose(x.get_value(), [[1]])
 
     def test_dump_load_mrg(self):
         rng = MRG_RandomStreams(use_cuda=cuda_ndarray.cuda_enabled)
@@ -62,14 +61,14 @@ class T_dump_load(unittest.TestCase):
         foo_2 = theano.shared(1, name='foo')
         foo_3 = theano.shared(2, name='foo')
         with open('model.zip', 'wb') as f:
-            dump((foo_1, foo_2, foo_3, numpy.array(3)), f)
-        keys = list(numpy.load('model.zip').keys())
+            dump((foo_1, foo_2, foo_3, np.array(3)), f)
+        keys = list(np.load('model.zip').keys())
         assert keys == ['foo', 'foo_2', 'foo_3', 'array_0', 'pkl']
-        foo_3 = numpy.load('model.zip')['foo_3']
-        assert foo_3 == numpy.array(2)
+        foo_3 = np.load('model.zip')['foo_3']
+        assert foo_3 == np.array(2)
         with open('model.zip', 'rb') as f:
             foo_1, foo_2, foo_3, array = load(f)
-        assert array == numpy.array(3)
+        assert array == np.array(3)
 
 
 class TestStripPickler(unittest.TestCase):

theano/misc/tests/test_pycuda_example.py

 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 
 import theano
 import theano.misc.pycuda_init
@@ -58,11 +58,11 @@ def test_pycuda_elemwise_source_module():
                                    PycudaElemwiseSourceModuleMakeThunkOp)
                         for node in f4.maker.fgraph.toposort()])
 
-            val1 = numpy.asarray(numpy.random.rand(*shape), dtype='float32')
-            val2 = numpy.asarray(numpy.random.rand(*shape), dtype='float32')
-            assert numpy.allclose(f(val1, val2), f2(val1, val2))
-            assert numpy.allclose(f(val1, val2), f3(val1, val2))
-            assert numpy.allclose(f(val1, val2), f4(val1, val2))
+            val1 = np.asarray(np.random.rand(*shape), dtype='float32')
+            val2 = np.asarray(np.random.rand(*shape), dtype='float32')
+            assert np.allclose(f(val1, val2), f2(val1, val2))
+            assert np.allclose(f(val1, val2), f3(val1, val2))
+            assert np.allclose(f(val1, val2), f4(val1, val2))
             # print f(val1,val2)
             # print f2(val1,val2)
 
@@ -82,10 +82,10 @@ def test_pycuda_elemwise_kernel():
     assert any([isinstance(node.op, PycudaElemwiseKernelOp)
                 for node in f2.maker.fgraph.toposort()])
 
-    val1 = numpy.asarray(numpy.random.rand(5, 5), dtype='float32')
-    val2 = numpy.asarray(numpy.random.rand(5, 5), dtype='float32')
-    #val1 = numpy.ones((5,5))
-    #val2 = numpy.arange(25).reshape(5,5)
+    val1 = np.asarray(np.random.rand(5, 5), dtype='float32')
+    val2 = np.asarray(np.random.rand(5, 5), dtype='float32')
+    #val1 = np.ones((5,5))
+    #val2 = np.arange(25).reshape(5,5)
     assert (f(val1, val2) == f2(val1, val2)).all()
     print(f(val1, val2))
     print(f2(val1, val2))
@@ -99,8 +99,8 @@ def test_pycuda_elemwise_kernel():
     assert any([isinstance(node.op, PycudaElemwiseKernelOp)
                 for node in f4.maker.fgraph.toposort()])
 
-    val1 = numpy.random.rand(2, 2, 2)
+    val1 = np.random.rand(2, 2, 2)
     print(val1)
     print(f4(val1, val1, val1))
-    assert numpy.allclose(f4(val1, val1, val1), val1 * val1 + val1)
+    assert np.allclose(f4(val1, val1, val1), val1 * val1 + val1)
 """

theano/misc/tests/test_pycuda_theano_simple.py

@@ -8,7 +8,7 @@ from __future__ import absolute_import, print_function, division
 
 import sys
 
-import numpy
+import numpy as np
 
 import theano
 import theano.sandbox.cuda as cuda_ndarray
@@ -42,9 +42,9 @@ __global__ void multiply_them(float *dest, float *a, float *b)
     multiply_them = mod.get_function("multiply_them")
 
     # Test with pycuda in/out of numpy.ndarray
-    a = numpy.random.randn(100).astype(numpy.float32)
-    b = numpy.random.randn(100).astype(numpy.float32)
-    dest = numpy.zeros_like(a)
+    a = np.random.randn(100).astype(np.float32)
+    b = np.random.randn(100).astype(np.float32)
+    dest = np.zeros_like(a)
     multiply_them(
         drv.Out(dest), drv.In(a), drv.In(b),
         block=(400, 1, 1), grid=(1, 1))
@@ -64,8 +64,8 @@ __global__ void multiply_them(float *dest, float *a, float *b)
 
     multiply_them = mod.get_function("multiply_them")
 
-    a = numpy.random.randn(100).astype(numpy.float32)
-    b = numpy.random.randn(100).astype(numpy.float32)
+    a = np.random.randn(100).astype(np.float32)
+    b = np.random.randn(100).astype(np.float32)
 
     # Test with Theano object
     ga = cuda_ndarray.CudaNdarray(a)
@@ -73,7 +73,7 @@ __global__ void multiply_them(float *dest, float *a, float *b)
     dest = cuda_ndarray.CudaNdarray.zeros(a.shape)
     multiply_them(dest, ga, gb,
                   block=(400, 1, 1), grid=(1, 1))
-    assert (numpy.asarray(dest) == a * b).all()
+    assert (np.asarray(dest) == a * b).all()
 
 
 def test_pycuda_memory_to_theano():
@@ -87,7 +87,7 @@ def test_pycuda_memory_to_theano():
     print("gpuarray ref count before creating a CudaNdarray", end=' ')
     print(sys.getrefcount(y))
     assert sys.getrefcount(y) == initial_refcount
-    rand = numpy.random.randn(*y.shape).astype(numpy.float32)
+    rand = np.random.randn(*y.shape).astype(np.float32)
     cuda_rand = cuda_ndarray.CudaNdarray(rand)
 
     strides = [1]
@@ -102,7 +102,7 @@ def test_pycuda_memory_to_theano():
     z = cuda_ndarray.from_gpu_pointer(y_ptr, y.shape, strides, y)
     print("gpuarray ref count after creating a CudaNdarray", sys.getrefcount(y))
     assert sys.getrefcount(y) == initial_refcount + 1
-    assert (numpy.asarray(z) == 0).all()
+    assert (np.asarray(z) == 0).all()
     assert z.base is y
 
     # Test that we can take a view from this cuda view on pycuda memory
@@ -112,17 +112,17 @@ def test_pycuda_memory_to_theano():
     del zz
     assert sys.getrefcount(y) == initial_refcount + 1
 
-    cuda_ones = cuda_ndarray.CudaNdarray(numpy.asarray([[[1]]],
-                                                       dtype='float32'))
+    cuda_ones = cuda_ndarray.CudaNdarray(np.asarray([[[1]]],
+                                                    dtype='float32'))
     z += cuda_ones
-    assert (numpy.asarray(z) == numpy.ones(y.shape)).all()
-    assert (numpy.asarray(z) == 1).all()
+    assert (np.asarray(z) == np.ones(y.shape)).all()
+    assert (np.asarray(z) == 1).all()
 
     assert cuda_rand.shape == z.shape
     assert cuda_rand._strides == z._strides, (cuda_rand._strides, z._strides)
-    assert (numpy.asarray(cuda_rand) == rand).all()
+    assert (np.asarray(cuda_rand) == rand).all()
     z += cuda_rand
-    assert (numpy.asarray(z) == (rand + 1)).all()
+    assert (np.asarray(z) == (rand + 1)).all()
 
     # Check that the ref count to the gpuarray is right.
     del z

theano/misc/tests/test_pycuda_utils.py

 from __future__ import absolute_import, print_function, division
-import numpy
+import numpy as np
 
 import theano.sandbox.cuda as cuda
 import theano.misc.pycuda_init
@@ -22,30 +22,30 @@ def test_to_gpuarray():
 
     px = to_gpuarray(cx)
     assert isinstance(px, pycuda.gpuarray.GPUArray)
-    cx[0, 0] = numpy.asarray(1, dtype="float32")
+    cx[0, 0] = np.asarray(1, dtype="float32")
     # Check that they share the same memory space
     assert px.gpudata == cx.gpudata
-    assert numpy.asarray(cx[0, 0]) == 1
+    assert np.asarray(cx[0, 0]) == 1
 
-    assert numpy.allclose(numpy.asarray(cx), px.get())
+    assert np.allclose(np.asarray(cx), px.get())
     assert px.dtype == cx.dtype
     assert px.shape == cx.shape
-    assert all(numpy.asarray(cx._strides) * 4 == px.strides)
+    assert all(np.asarray(cx._strides) * 4 == px.strides)
 
     # Test when the CudaNdarray is strided
     cx = cx[::2, ::]
     px = to_gpuarray(cx, copyif=True)
     assert isinstance(px, pycuda.gpuarray.GPUArray)
-    cx[0, 0] = numpy.asarray(2, dtype="float32")
+    cx[0, 0] = np.asarray(2, dtype="float32")
 
     # Check that they do not share the same memory space
     assert px.gpudata != cx.gpudata
-    assert numpy.asarray(cx[0, 0]) == 2
-    assert not numpy.allclose(numpy.asarray(cx), px.get())
+    assert np.asarray(cx[0, 0]) == 2
+    assert not np.allclose(np.asarray(cx), px.get())
 
     assert px.dtype == cx.dtype
     assert px.shape == cx.shape
-    assert not all(numpy.asarray(cx._strides) * 4 == px.strides)
+    assert not all(np.asarray(cx._strides) * 4 == px.strides)
 
     # Test that we return an error
     try:
@@ -59,11 +59,11 @@ def test_to_cudandarray():
     px = pycuda.gpuarray.zeros((3, 4, 5), 'float32')
     cx = to_cudandarray(px)
     assert isinstance(cx, cuda.CudaNdarray)
-    assert numpy.allclose(px.get(),
-                          numpy.asarray(cx))
+    assert np.allclose(px.get(),
+                       np.asarray(cx))
     assert px.dtype == cx.dtype
     assert px.shape == cx.shape
-    assert all(numpy.asarray(cx._strides) * 4 == px.strides)
+    assert all(np.asarray(cx._strides) * 4 == px.strides)
 
     try:
         px = pycuda.gpuarray.zeros((3, 4, 5), 'float64')
@@ -73,7 +73,7 @@ def test_to_cudandarray():
         pass
 
     try:
-        to_cudandarray(numpy.zeros(4))
+        to_cudandarray(np.zeros(4))
         assert False
     except ValueError:
         pass