提交 25f77680 authored 作者: Iban Harlouchet's avatar Iban Harlouchet

numpydoc for theano/sandbox/cuda/blocksparse.py

上级 1a9da258
......@@ -30,7 +30,9 @@ class SparseBlockGemvSS(GpuOp):
This should not be directly called since the interface is subject
to change without notice. Use the sparse_block_dot_SS() function
for a stable interface.
"""
def __init__(self, inplace=False):
self.inplace = inplace
if self.inplace:
......@@ -367,9 +369,11 @@ class SparseBlockOuterSS(GpuOp):
The i and j are taken from the xIdx and yIdx lists respectively.
This op should not be called directly since its interface is
subject to change without notice. It is involved in the gradient
subject to change without notice. It is involved in the gradient
of SparseBlockGemvSS.
"""
def __init__(self, inplace=False):
self.inplace = inplace
if self.inplace:
......@@ -680,28 +684,38 @@ def sparse_block_dot_SS(W, h, inputIdx, b, outputIdx):
Parameters
----------
var: shape, comment
W: (iBlocks, oBlocks, iSize, oSize), weight matrix
h: (batch, iWin, iSize), input from lower layer (sparse)
inputIdx: (batch, iWin), indexes of the input blocks
b: (oBlocks, oSize), bias vector
outputIdx: (batch, oWin), indexes of the output blocks
returns (batch, oWin, oSize), dot(W[i, j], h[i]) + b[j]
but b[j] is only added once
Notation
--------
var
Shape, comment.
W
(iBlocks, oBlocks, iSize, oSize), weight matrix.
h
(batch, iWin, iSize), input from lower layer (sparse).
inputIdx
(batch, iWin), indexes of the input blocks.
b
(oBlocks, oSize), bias vector.
outputIdx
(batch, oWin), indexes of the output blocks.
Returns
-------
(batch, oWin, oSize), dot(W[i, j], h[i]) + b[j]
but b[j] is only added once
Notes
-----
- `batch` is the number of examples in a minibatch (batch size).
- `iBlocks` is the total number of blocks in the input (from lower layer).
- `iSize` is the size of each of these input blocks.
- `iWin` is the number of blocks that will be used as inputs. Which blocks
will be used is specified in `inputIdx`.
will be used is specified in `inputIdx`.
- `oBlocks` is the number or possible output blocks.
- `oSize` is the size of each of these output blocks.
- `oWin` is the number of output blocks that will actually be computed.
Which blocks will be computed is specified in `outputIdx`.
Which blocks will be computed is specified in `outputIdx`.
"""
assert inputIdx.ndim == h.ndim - 1
assert outputIdx.ndim == inputIdx.ndim
if h.ndim == 2:
......
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