Commit Graph

20 Commits

Author SHA1 Message Date
Iblis Lin
3d8b7250ae add scalar mean 2017-10-31 10:42:32 +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
cca4d25a10 efficient traversal 2017-09-06 23:09:32 -04:00
Mike J Innes
7cfc42d166 grad refactor 2017-09-06 21:21:35 -04:00
Mike J Innes
4c12d18033 yet another vcat method 2017-09-05 19:25:42 -04:00
Mike J Innes
830d7fa611 vcat fix 2017-09-05 02:28:11 -04:00
Mike J Innes
363caeddc6 repmat forward 2017-09-05 02:12:53 -04:00
Mike J Innes
a322c07fc8 vcat back 2017-09-05 02:11:28 -04:00
Mike J Innes
8f4ccdd5ba scalar getindex backprop 2017-09-03 17:10:23 -04:00
Mike J Innes
9642ae8cd6 basic recurrence 2017-09-03 02:12:44 -04:00
Mike J Innes
107d9daa8f add some non-differentiable functions 2017-09-01 23:33:05 -04:00
Mike J Innes
892a779ed1 tracked transpose 2017-09-01 11:42:18 -04:00
Mike J Innes
7bba38274b Merge branch 'master' of github.com:MikeInnes/Flux.jl 2017-08-28 01:41:11 +01:00
Mike J Innes
0b89e1374c gpu-friendly 2017-08-28 01:40:59 +01:00
Mike J Innes
73166c52a0 cleaner broadcasting fix 2017-08-27 09:49:42 +01:00
Mike J Innes
e4e9794f5e loss function gradients 2017-08-23 17:50:43 +01:00
Mike J Innes
60c3090981 broadcasting fix 2017-08-23 17:21:02 +01:00
Mike J Innes
23c5a1b163 softmax gradient 2017-08-23 02:03:17 +01:00
Mike J Innes
56ed6f5680 de-broadcasting 2017-08-23 00:25:19 +01:00
Mike J Innes
f43eef8d7d consistent case 2017-08-22 15:13:24 +01:00