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Python tensor.advanced_inc_subtensor1函数代码示例

本文整理汇总了Python中theano.tensor.advanced_inc_subtensor1函数的典型用法代码示例。如果您正苦于以下问题:Python advanced_inc_subtensor1函数的具体用法?Python advanced_inc_subtensor1怎么用?Python advanced_inc_subtensor1使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了advanced_inc_subtensor1函数的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_incsub_f16

def test_incsub_f16():
    shp = (3, 3)
    shared = gpuarray_shared_constructor
    xval = np.arange(np.prod(shp), dtype='float16').reshape(shp) + 1
    yval = np.empty((2,) + shp[1:], dtype='float16')
    yval[:] = 2
    x = shared(xval, name='x')
    y = tensor.tensor(dtype='float16',
                      broadcastable=(False,) * len(shp),
                      name='y')
    expr = tensor.advanced_inc_subtensor1(x, y, [0, 2])
    f = theano.function([y], expr, mode=mode_with_gpu)
    assert sum([isinstance(node.op, GpuAdvancedIncSubtensor1)
                for node in f.maker.fgraph.toposort()]) == 1
    rval = f(yval)
    rep = xval.copy()
    np.add.at(rep, [[0, 2]], yval)
    assert np.allclose(rval, rep)

    expr = tensor.inc_subtensor(x[1:], y)
    f = theano.function([y], expr, mode=mode_with_gpu)
    assert sum([isinstance(node.op, GpuIncSubtensor)
                for node in f.maker.fgraph.toposort()]) == 1
    rval = f(yval)
    rep = xval.copy()
    rep[1:] += yval
    assert np.allclose(rval, rep)
开发者ID:Thrandis,项目名称:Theano,代码行数:27,代码来源:test_subtensor.py

示例2: test_advinc_subtensor1

def test_advinc_subtensor1():
    """ Test the second case in the opt local_gpu_advanced_incsubtensor1 """
    shared = cuda.shared_constructor
    # shared = tensor.shared
    xval = numpy.asarray([[1, 2, 3], [4, 5, 6], [7, 8, 9]], dtype="float32")
    yval = numpy.asarray([[10, 10, 10], [10, 10, 10]], dtype="float32")
    x = shared(xval, name="x")
    y = T.fmatrices("y")
    expr = T.advanced_inc_subtensor1(x, y, [0, 2])
    f = theano.function([y], expr, mode=mode_with_gpu)
    assert sum([isinstance(node.op, cuda.GpuAdvancedIncSubtensor1) for node in f.maker.env.toposort()]) == 1
    assert numpy.allclose(f(yval), [[11.0, 12.0, 13.0], [4.0, 5.0, 6.0], [17.0, 18.0, 19.0]])
开发者ID:olivierverdier,项目名称:Theano,代码行数:12,代码来源:test_basic_ops.py

示例3: test_advinc_subtensor1

def test_advinc_subtensor1():
    """ Test the second case in the opt local_gpu_advanced_incsubtensor1 """
    for shp in [(3, 3), (3, 3, 3)]:
        shared = gpuarray_shared_constructor
        xval = numpy.arange(numpy.prod(shp), dtype='float32').reshape(shp) + 1
        yval = numpy.empty((2,) + shp[1:], dtype='float32')
        yval[:] = 10
        x = shared(xval, name='x')
        y = tensor.tensor(dtype='float32',
                     broadcastable=(False,) * len(shp),
                     name='y')
        expr = tensor.advanced_inc_subtensor1(x, y, [0, 2])
        f = theano.function([y], expr, mode=mode_with_gpu)
        assert sum([isinstance(node.op, GpuAdvancedIncSubtensor1)
                    for node in f.maker.fgraph.toposort()]) == 1
        rval = f(yval)
        rep = xval.copy()
        rep[[0, 2]] += yval
        assert numpy.allclose(rval, rep)
开发者ID:317070,项目名称:Theano,代码行数:19,代码来源:test_subtensor.py

示例4: test_deterministic_flag

def test_deterministic_flag():
    shp = (3, 4)
    for dtype1, dtype2 in [('float32', 'int8')]:
        shared = gpuarray_shared_constructor
        xval = np.arange(np.prod(shp), dtype=dtype1).reshape(shp) + 1
        yval = np.empty((2,) + shp[1:], dtype=dtype2)
        yval[:] = 10
        x = shared(xval, name='x')
        y = tensor.tensor(dtype=yval.dtype,
                          broadcastable=(False,) * len(yval.shape),
                          name='y')
        expr = tensor.advanced_inc_subtensor1(x, y, [0, 2])
        f = theano.function([y], expr, mode=mode_with_gpu)
        assert sum([isinstance(node.op, GpuAdvancedIncSubtensor1)
                    for node in f.maker.fgraph.toposort()]) == 1
        rval = f(yval)
        rep = xval.copy()
        np.add.at(rep, [[0, 2]], yval)
        assert np.allclose(rval, rep)
开发者ID:Thrandis,项目名称:Theano,代码行数:19,代码来源:test_subtensor.py

示例5: test_advinc_subtensor1_vector_scalar

def test_advinc_subtensor1_vector_scalar():
    # Test the case where x is a vector and y a scalar
    shp = (3,)
    for dtype1, dtype2 in [('float32', 'int8'), ('float32', 'float64')]:
        shared = gpuarray_shared_constructor
        xval = np.arange(np.prod(shp), dtype=dtype1).reshape(shp) + 1
        yval = np.asarray(10, dtype=dtype2)
        x = shared(xval, name='x')
        y = tensor.tensor(dtype=yval.dtype,
                          broadcastable=(False,) * len(yval.shape),
                          name='y')
        expr = tensor.advanced_inc_subtensor1(x, y, [0, 2])
        f = theano.function([y], expr, mode=mode_with_gpu)
        assert sum([isinstance(node.op, GpuAdvancedIncSubtensor1_dev20)
                    for node in f.maker.fgraph.toposort()]) == 1
        rval = f(yval)
        rep = xval.copy()
        rep[[0, 2]] += yval
        assert np.allclose(rval, rep)
开发者ID:MarcCote,项目名称:Theano,代码行数:19,代码来源:test_subtensor.py

示例6: test_advinc_subtensor1_dtype

def test_advinc_subtensor1_dtype():
    # Test the mixed dtype case
    shp = (3, 4)
    for dtype1, dtype2 in [('float32', 'int8'), ('float32', 'float64')]:
        shared = gpuarray_shared_constructor
        xval = numpy.arange(numpy.prod(shp), dtype=dtype1).reshape(shp) + 1
        yval = numpy.empty((2,) + shp[1:], dtype=dtype2)
        yval[:] = 10
        x = shared(xval, name='x')
        y = tensor.tensor(dtype=yval.dtype,
                          broadcastable=(False,) * len(yval.shape),
                          name='y')
        expr = tensor.advanced_inc_subtensor1(x, y, [0, 2])
        f = theano.function([y], expr, mode=mode_with_gpu)
        assert sum([isinstance(node.op, GpuAdvancedIncSubtensor1_dev20)
                    for node in f.maker.fgraph.toposort()]) == 1
        rval = f(yval)
        rep = xval.copy()
        rep[[0, 2]] += yval
        assert numpy.allclose(rval, rep)
开发者ID:bouthilx,项目名称:Theano,代码行数:20,代码来源:test_subtensor.py


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