Commit Graph

149 Commits

Author SHA1 Message Date
Mike J Innes
23096824d5 import jacobian 2017-12-13 17:29:32 +00:00
Mike J Innes
95d1287455 Merge branch 'master' into jacobian 2017-12-13 17:06:23 +00:00
Mike J Innes
27d896943e
Merge pull request #120 from staticfloat/sf/dense_initialization
Better default initialization for Dense layers
2017-12-13 16:18:02 +00:00
Mike J Innes
e3a688e706 use kwarg 2017-12-13 15:27:15 +00:00
Mike J Innes
128725cefd Merge branch 'master' into sf/weighted_crossentropy 2017-12-13 15:14:47 +00:00
Mike J Innes
29787eba45 fixes #114 2017-12-12 17:23:15 +00:00
Mike J Innes
b7b6c975bc fixes #110 2017-12-12 17:07:39 +00:00
Mike J Innes
6f997e798a Merge branch 'master' into batchnorm 2017-12-08 19:31:50 +00:00
Mike J Innes
55bbe50f32 regression test 2017-12-08 18:24:07 +00:00
Mike J Innes
69cc5642b4 regression testing 2017-12-08 17:10:29 +00:00
baggepinnen
385dee9d16 Add jacobian function 2017-12-08 14:46:12 +01:00
Elliot Saba
41446d547f Add weighted_crossentropy for imbalanced classification problems 2017-12-05 17:09:05 -08:00
Elliot Saba
c59b820bed Add glorot (Xavier) initialization
Set default `Dense` and `RNN` inits to `glorot_uniform()` for `W`, `zeros` for `b`.
2017-12-05 14:24:48 -08:00
CarloLucibello
13b934c250 improve optimizers 2017-11-24 12:12:20 +01:00
Mike J Innes
351d3d4771 std derivative 2017-11-21 17:04:04 +01:00
Mike J Innes
bdf02e42ae test tweaks 2017-11-08 22:18:45 +00:00
Mike J Innes
fcd091e8f0 Ac_mul_B derivatives 2017-11-08 22:18:45 +00:00
Iblis Lin
7f5ba594a9 batchnorm: more test cases 2017-11-02 13:32:12 +08:00
Iblis Lin
ce46843459 batchnorm: add test cases 2017-11-02 13:32:12 +08:00
Mike J Innes
e7a510da9a add cmudict dataset 2017-11-01 16:01:55 +00:00
Iblis Lin
c43bda019b TrackedArray: implement mean
```julia
julia> p
Tracked 2×3 Array{Float64,2}:
 1.0  3.0  5.0
 2.0  4.0  6.0
```

Before
```julia
julia> @benchmark Flux.Tracker.back!(sum($p, 2) ./ size($p, 2), ones(2, 1))
BenchmarkTools.Trial:
  memory estimate:  3.44 KiB
  allocs estimate:  75
  --------------
  minimum time:     20.438 μs (0.00% GC)
  median time:      21.239 μs (0.00% GC)
  mean time:        22.354 μs (1.68% GC)
  maximum time:     3.811 ms (98.51% GC)
  --------------
  samples:          10000
  evals/sample:     1
```

After
```julia
julia> @benchmark Flux.Tracker.back!(mean($p, 2), ones(2, 1))
BenchmarkTools.Trial:
  memory estimate:  1008 bytes
  allocs estimate:  21
  --------------
  minimum time:     5.973 μs (0.00% GC)
  median time:      6.310 μs (0.00% GC)
  mean time:        6.630 μs (1.96% GC)
  maximum time:     680.709 μs (97.28% GC)
  --------------
  samples:          10000
  evals/sample:     6
```
2017-10-30 16:21:02 +08:00
Mike J Innes
4c1b1eb18c Merge pull request #92 from CarloLucibello/drop
add Dropout layer
2017-10-26 12:07:28 +01:00
Mike J Innes
cf6b930f63 reorganise 2017-10-26 11:46:12 +01:00
CarloLucibello
536ab3861d setmode! -> testmode! 2017-10-23 16:23:29 +02:00
CarloLucibello
00a9e5f01f construct TrackedScalar with params(1) 2017-10-23 10:49:45 +01:00
CarloLucibello
86c7c9246e add == and < for tracked arrays 2017-10-23 11:41:08 +02:00
CarloLucibello
2e1ed4c3fc add dropout 2017-10-23 10:12:53 +02:00
Mike J Innes
6dff8ca8d3 rename crossentropy loss 2017-10-17 17:36:18 +01:00
Mike J Innes
2ec8401d2c remove compiler 2017-09-27 20:48:39 +01:00
Mike J Innes
cca4d25a10 efficient traversal 2017-09-06 23:09:32 -04:00
Mike J Innes
1855a37319 onehot 2017-09-06 18:58:55 -04:00
Mike J Innes
d7e3f7d6e1 fix stack/squeeze usage 2017-09-06 16:02:38 -04:00
Mike J Innes
a322c07fc8 vcat back 2017-09-05 02:11:28 -04:00
Mike J Innes
788d7d35f0 better numeric grads 2017-09-03 17:10:35 -04:00
Mike J Innes
e4e9794f5e loss function gradients 2017-08-23 17:50:43 +01:00
Mike J Innes
23c5a1b163 softmax gradient 2017-08-23 02:03:17 +01:00
Mike J Innes
5eee653a64 gradient checks 2017-08-23 01:43:45 +01:00
Mike J Innes
5d6e8e2777 fix tests / deprecations 2017-08-22 18:04:10 +01:00
Mike J Innes
318e503d9b remove rnns 2017-08-19 20:52:17 +01:00
Mike J Innes
a581856954 remove params from compiler 2017-08-19 20:38:45 +01:00
Mike J Innes
c7a07562d0 pull out graph-based affine layer 2017-08-19 20:26:27 +01:00
Mike J Innes
e05fea7eb4 organise tests 2017-08-19 20:20:20 +01:00
Mike J Innes
bd6bffde48 silo the compiler 2017-08-19 20:04:21 +01:00
Mike J Innes
f8482ff80c remove back!, update! 2017-08-18 10:18:45 +01:00
Mike J Innes
052cc52ada remove inference, for now 2017-08-18 01:19:10 +01:00
Mike J Innes
e79a1657d4 remove batching and training 2017-08-18 01:19:06 +01:00
Mike J Innes
536949891d remove backends 2017-08-18 01:05:42 +01:00
Mike J Innes
cd9521a762 Merge branch 'master' into tf-train 2017-08-17 23:52:12 +01:00
Mike J Innes
f5b41d2e89 Merge pull request #50 from alha02/add-more-tf-ops
Add more tf ops
2017-08-17 21:47:47 +01:00
ylxdzsw
74a4a48162 fix 2017-08-01 13:28:14 +08:00