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NEWS_DEV.txt
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NEWS_DEV.txt
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.. _NEWS_DEV:
===================
DRAFT Release Notes
===================
git log -p rel-0.8.0... |grep Merge|grep '#[0123456789]' |cut -f 8 -d ' ' | sed 's\#\* https://github.com/Theano/Theano/pull/\'
# Commit count per user
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
- 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
Convolution updates:
- Multi-cores convolution and pooling on CPU
- New abstract 3d convolution interface similar to the 2d convolution interface
- Dilated convolution
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
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
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* https://github.com/Theano/Theano/pull/4566
* https://github.com/Theano/Theano/pull/4565
* https://github.com/Theano/Theano/pull/4500
* https://github.com/Theano/Theano/pull/4554
* https://github.com/Theano/Theano/pull/4544
* https://github.com/Theano/Theano/pull/4546
* https://github.com/Theano/Theano/pull/4542
* https://github.com/Theano/Theano/pull/4549
* https://github.com/Theano/Theano/pull/4541
* https://github.com/Theano/Theano/pull/4532
* https://github.com/Theano/Theano/pull/4540
* https://github.com/Theano/Theano/pull/4537
* https://github.com/Theano/Theano/pull/4525
* https://github.com/Theano/Theano/pull/4533
* https://github.com/Theano/Theano/pull/4530
* https://github.com/Theano/Theano/pull/4526
* https://github.com/Theano/Theano/pull/4522
* https://github.com/Theano/Theano/pull/4501
* https://github.com/Theano/Theano/pull/4512
* https://github.com/Theano/Theano/pull/4518
* https://github.com/Theano/Theano/pull/4468
* https://github.com/Theano/Theano/pull/4506
* https://github.com/Theano/Theano/pull/4515
* https://github.com/Theano/Theano/pull/4511
* https://github.com/Theano/Theano/pull/4505
* https://github.com/Theano/Theano/pull/4504
* https://github.com/Theano/Theano/pull/4503
* https://github.com/Theano/Theano/pull/4496
* https://github.com/Theano/Theano/pull/4498
* https://github.com/Theano/Theano/pull/4493
* https://github.com/Theano/Theano/pull/4463
* https://github.com/Theano/Theano/pull/4488
* https://github.com/Theano/Theano/pull/4454
* https://github.com/Theano/Theano/pull/4492
* https://github.com/Theano/Theano/pull/4489
* https://github.com/Theano/Theano/pull/4491
* https://github.com/Theano/Theano/pull/4478
* https://github.com/Theano/Theano/pull/4439
* https://github.com/Theano/Theano/pull/4484
* https://github.com/Theano/Theano/pull/4420
* https://github.com/Theano/Theano/pull/4464
* https://github.com/Theano/Theano/pull/4472
* https://github.com/Theano/Theano/pull/4467
* https://github.com/Theano/Theano/pull/4470
* https://github.com/Theano/Theano/pull/4475
* https://github.com/Theano/Theano/pull/4473
* https://github.com/Theano/Theano/pull/4244
* https://github.com/Theano/Theano/pull/4443
* https://github.com/Theano/Theano/pull/4450
* https://github.com/Theano/Theano/pull/4378
* https://github.com/Theano/Theano/pull/4422
* https://github.com/Theano/Theano/pull/4413
* https://github.com/Theano/Theano/pull/4418
* https://github.com/Theano/Theano/pull/4419
* https://github.com/Theano/Theano/pull/4383
* https://github.com/Theano/Theano/pull/4062
* https://github.com/Theano/Theano/pull/4410
* https://github.com/Theano/Theano/pull/4343
* https://github.com/Theano/Theano/pull/4415
* https://github.com/Theano/Theano/pull/4414
* https://github.com/Theano/Theano/pull/4401
* https://github.com/Theano/Theano/pull/4367
* https://github.com/Theano/Theano/pull/4406
* https://github.com/Theano/Theano/pull/4408
* https://github.com/Theano/Theano/pull/4407
* https://github.com/Theano/Theano/pull/4323
* https://github.com/Theano/Theano/pull/4371
* https://github.com/Theano/Theano/pull/4370
* https://github.com/Theano/Theano/pull/4279
* https://github.com/Theano/Theano/pull/4381
* https://github.com/Theano/Theano/pull/4263
* https://github.com/Theano/Theano/pull/4375
* https://github.com/Theano/Theano/pull/4374
* https://github.com/Theano/Theano/pull/4290
* https://github.com/Theano/Theano/pull/4373
* https://github.com/Theano/Theano/pull/4366
* https://github.com/Theano/Theano/pull/4362
* https://github.com/Theano/Theano/pull/4363
* https://github.com/Theano/Theano/pull/4344
* https://github.com/Theano/Theano/pull/4335
* https://github.com/Theano/Theano/pull/4330
* https://github.com/Theano/Theano/pull/4324
* https://github.com/Theano/Theano/pull/4340
* https://github.com/Theano/Theano/pull/4336
* https://github.com/Theano/Theano/pull/4327
* https://github.com/Theano/Theano/pull/4333
* https://github.com/Theano/Theano/pull/4301
* https://github.com/Theano/Theano/pull/4310
* https://github.com/Theano/Theano/pull/4309
* https://github.com/Theano/Theano/pull/4298
* https://github.com/Theano/Theano/pull/4256
* https://github.com/Theano/Theano/pull/4287
* https://github.com/Theano/Theano/pull/4288
* https://github.com/Theano/Theano/pull/4286
* https://github.com/Theano/Theano/pull/3983
* https://github.com/Theano/Theano/pull/4246
* https://github.com/Theano/Theano/pull/3758
* https://github.com/Theano/Theano/pull/4285
* https://github.com/Theano/Theano/pull/4278
* https://github.com/Theano/Theano/pull/4216
* https://github.com/Theano/Theano/pull/4273
* https://github.com/Theano/Theano/pull/4281
* https://github.com/Theano/Theano/pull/4245
* https://github.com/Theano/Theano/pull/4250
* https://github.com/Theano/Theano/pull/4235
* https://github.com/Theano/Theano/pull/4260
Theano Development version
==========================
NEWS.txt: