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Update the news dev text file
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nouiz committed Dec 1, 2016
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Expand Up @@ -13,50 +13,221 @@ git shortlog -sn rel-0.8.0..

# docker?

TODO: better Theano conv doc

Highlight:
- Many computation and compilation speed up
- More numerical stability by default for some graph
- Jenkins (gpu tests run on PR in addition to daily buildbot)
- More graph optimization (faster execution and smaller graph, so more readable)
- Less c code compilation
- Better Python 3.5 support
- Support newer Mac and Windows version
- Conda packages for Mac, Linux and Windows
- scan with checkpoint (trade off between speed and memory usage, useful for long sequences)
- Added a bool dtype

Computation and compilation speed up
Multi-cores convolution and pooling on CPU
More numerical stability by default for some graph.
New 3d convolution and pooling interface
CuDNN: 5.1, batch normalization, RNN
Dilated convolution
Multiple-GPU, synchrone update (via platoon, use NCCL)
Partial function evaluation
Add gradient of solve, tensorinv (CPU), tensorsolve (CPU) searchsorted (CPU)
Add Multinomial Without Replacement
Pooling parameters can change at run time
Jenkins (gpu tests run on PR in addition to daily buildbot)
- New back-end:
- float16 storage
- print pci bus id
- More pooling support on GPU when cudnn isn't there.

Interface changes:
- New pooling interface
- Pooling parameters can change at run time
- When converting empty list/tuple, now we use floatX dtype
- The MRG random generator now try to infer the broadcast pattern of its output
- Move softsign out of sandbox to theano.tensor.nnet.softsign
- Roll make the shift be modulo the size of the axis we roll on

Add DownsampleFactorMaxGradGrad.grad
Better Python 3.5 support
Mac, Windows new versions fixes
More Rop support
More stack trace in error message
Speed up cholesky grad
conv3d2d support full and half mode
indexing support ellipsis a[..., 3], a[1,...,3]
Convolution updates:
- Multi-cores convolution and pooling on CPU
- New abstract 3d convolution interface similar to the 2d convolution interface
- Dilated convolution

Details
Doc/error message fixes/updtes
GpuJoin support negative axis.
Move softsign out of sandbox to theano.tensor.nnet.softsign
norm(keepdims) param added
Add flag profiling.ignore_first_call
More op in the new back-end.
Crash fixes
More graph optimizations
tensor5, dtensor5...
compiledir_format support device
make scan grad more deterministic.
Add support for space in path
Roll make the shift be modulo the size of the axis we roll on

GPU:
- CuDNN: support versoin 5.1 and wrap batch normalization (2d and 3d) and RNN functions
- Multiple-GPU, synchrone update (via platoon, use NCCL)
- GpuAdvancedSubtensor in new back-end
- Gemv(matrix-vector product) speed up for special shape
- Support for MaxAndArgMax for some axis combination
- cublas gemv workaround when we reduce on an axis with a dimensions size of 0

New feature:
- Add gradient of solve, tensorinv (CPU), tensorsolve (CPU) searchsorted (CPU)
- Add Multinomial Without Replacement
- conv3d2d support full and half mode (REMOVE?)
- Add DownsampleFactorMaxGradGrad.grad
- Allow partial evaluation of compiled function
- More Rop support
- Indexing support ellipsis: a[..., 3], a[1,...,3]
- Added theano.tensor.{tensor5,dtensor5, ...}
- compiledir_format support device


Others:
- Speed up argmax only on gpu (without also needing the max)
- A few unfrequent bugfix
- More stack trace in error message
- Speed up cholesky grad
- log(sum(exp(...))) now get stability optimized


ALL THE PR BELLOW HAVE BEEN CHECKED


Other more detailed changes:
- Allow more then one output to be an destructive inplace
- Add flag profiling.ignore_first_call, useful to profile the new gpu back-end
- Doc/error message fixes/updates
- More support of negative axis
- Added the keepdims parameter to the norm function
- Crash fixes
- Make scan gradiant more deterministic
- Add support for space in path on Windows
- remove ProfileMode (use Theano flag profile=True instead)



ALL THE PR BELLOW HAVE BEEN CHECKED
* https://github.com/Theano/Theano/pull/5309
* https://github.com/Theano/Theano/pull/5306
* https://github.com/Theano/Theano/pull/5289
* https://github.com/Theano/Theano/pull/5307
* https://github.com/Theano/Theano/pull/5290
* https://github.com/Theano/Theano/pull/5303
* https://github.com/Theano/Theano/pull/5302
* https://github.com/Theano/Theano/pull/5300
* https://github.com/Theano/Theano/pull/5304
* https://github.com/Theano/Theano/pull/5271
* https://github.com/Theano/Theano/pull/5247
* https://github.com/Theano/Theano/pull/5288
* https://github.com/Theano/Theano/pull/5265
* https://github.com/Theano/Theano/pull/5223
* https://github.com/Theano/Theano/pull/5297
* https://github.com/Theano/Theano/pull/5293
* https://github.com/Theano/Theano/pull/5286
* https://github.com/Theano/Theano/pull/5287
* https://github.com/Theano/Theano/pull/5198
* https://github.com/Theano/Theano/pull/5282
* https://github.com/Theano/Theano/pull/5254
* https://github.com/Theano/Theano/pull/5281
* https://github.com/Theano/Theano/pull/5231
* https://github.com/Theano/Theano/pull/5239
* https://github.com/Theano/Theano/pull/5266
* https://github.com/Theano/Theano/pull/5277
* https://github.com/Theano/Theano/pull/5275
* https://github.com/Theano/Theano/pull/5153
* https://github.com/Theano/Theano/pull/5269
* https://github.com/Theano/Theano/pull/5270
* https://github.com/Theano/Theano/pull/5257
* https://github.com/Theano/Theano/pull/5245
* https://github.com/Theano/Theano/pull/5244
* https://github.com/Theano/Theano/pull/5241
* https://github.com/Theano/Theano/pull/5251
* https://github.com/Theano/Theano/pull/5250
* https://github.com/Theano/Theano/pull/5234
* https://github.com/Theano/Theano/pull/5242
* https://github.com/Theano/Theano/pull/5210
* https://github.com/Theano/Theano/pull/5240
* https://github.com/Theano/Theano/pull/5229
* https://github.com/Theano/Theano/pull/5237
* https://github.com/Theano/Theano/pull/5226
* https://github.com/Theano/Theano/pull/5212
* https://github.com/Theano/Theano/pull/4749
* https://github.com/Theano/Theano/pull/5235
* https://github.com/Theano/Theano/pull/5214
* https://github.com/Theano/Theano/pull/5232
* https://github.com/Theano/Theano/pull/5211
* https://github.com/Theano/Theano/pull/5205
* https://github.com/Theano/Theano/pull/5168
* https://github.com/Theano/Theano/pull/5208
* https://github.com/Theano/Theano/pull/5199
* https://github.com/Theano/Theano/pull/5174
* https://github.com/Theano/Theano/pull/5196
* https://github.com/Theano/Theano/pull/5185
* https://github.com/Theano/Theano/pull/5194
* https://github.com/Theano/Theano/pull/5155
* https://github.com/Theano/Theano/pull/5193
* https://github.com/Theano/Theano/pull/5152
* https://github.com/Theano/Theano/pull/5175
* https://github.com/Theano/Theano/pull/4355
* https://github.com/Theano/Theano/pull/5179
* https://github.com/Theano/Theano/pull/5181
* https://github.com/Theano/Theano/pull/5132
* https://github.com/Theano/Theano/pull/5178
* https://github.com/Theano/Theano/pull/5077
* https://github.com/Theano/Theano/pull/5159
* https://github.com/Theano/Theano/pull/5173
* https://github.com/Theano/Theano/pull/5172
* https://github.com/Theano/Theano/pull/5164
* https://github.com/Theano/Theano/pull/5163
* https://github.com/Theano/Theano/pull/5165
* https://github.com/Theano/Theano/pull/5166
* https://github.com/Theano/Theano/pull/5097
* https://github.com/Theano/Theano/pull/5142
* https://github.com/Theano/Theano/pull/5133
* https://github.com/Theano/Theano/pull/5076
* https://github.com/Theano/Theano/pull/5091
* https://github.com/Theano/Theano/pull/5160
* https://github.com/Theano/Theano/pull/5144
* https://github.com/Theano/Theano/pull/5146
* https://github.com/Theano/Theano/pull/5119
* https://github.com/Theano/Theano/pull/5134
* https://github.com/Theano/Theano/pull/5098
* https://github.com/Theano/Theano/pull/4736
* https://github.com/Theano/Theano/pull/5126
* https://github.com/Theano/Theano/pull/5122
* https://github.com/Theano/Theano/pull/5086
* https://github.com/Theano/Theano/pull/4996
* https://github.com/Theano/Theano/pull/5108
* https://github.com/Theano/Theano/pull/5105
* https://github.com/Theano/Theano/pull/4915
* https://github.com/Theano/Theano/pull/5103
* https://github.com/Theano/Theano/pull/5096
* https://github.com/Theano/Theano/pull/5069
* https://github.com/Theano/Theano/pull/5083
* https://github.com/Theano/Theano/pull/5073
* https://github.com/Theano/Theano/pull/5082
* https://github.com/Theano/Theano/pull/5093
* https://github.com/Theano/Theano/pull/5084
* https://github.com/Theano/Theano/pull/5089
* https://github.com/Theano/Theano/pull/5090
* https://github.com/Theano/Theano/pull/4948
* https://github.com/Theano/Theano/pull/5087
* https://github.com/Theano/Theano/pull/4884
* https://github.com/Theano/Theano/pull/4862
* https://github.com/Theano/Theano/pull/5070
* https://github.com/Theano/Theano/pull/5054
* https://github.com/Theano/Theano/pull/5060
* https://github.com/Theano/Theano/pull/5065
* https://github.com/Theano/Theano/pull/5049
* https://github.com/Theano/Theano/pull/5062
* https://github.com/Theano/Theano/pull/5061
* https://github.com/Theano/Theano/pull/5058
* https://github.com/Theano/Theano/pull/5057
* https://github.com/Theano/Theano/pull/4763
* https://github.com/Theano/Theano/pull/4961
* https://github.com/Theano/Theano/pull/5050
* https://github.com/Theano/Theano/pull/5045
* https://github.com/Theano/Theano/pull/4039
* https://github.com/Theano/Theano/pull/5028
* https://github.com/Theano/Theano/pull/4935
* https://github.com/Theano/Theano/pull/5033
* https://github.com/Theano/Theano/pull/5038
* https://github.com/Theano/Theano/pull/5032
* https://github.com/Theano/Theano/pull/5037
* https://github.com/Theano/Theano/pull/5031
* https://github.com/Theano/Theano/pull/5029
* https://github.com/Theano/Theano/pull/5010
* https://github.com/Theano/Theano/pull/5014
* https://github.com/Theano/Theano/pull/5025
* https://github.com/Theano/Theano/pull/5027
* https://github.com/Theano/Theano/pull/4992
* https://github.com/Theano/Theano/pull/5013
* https://github.com/Theano/Theano/pull/5015
* https://github.com/Theano/Theano/pull/5023
* https://github.com/Theano/Theano/pull/4850
* https://github.com/Theano/Theano/pull/5001
* https://github.com/Theano/Theano/pull/5002
* https://github.com/Theano/Theano/pull/4984
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