From 83b5b6c6bbed0fb1a9457fc285d187341a040e90 Mon Sep 17 00:00:00 2001
From: Sam Gross <sgross@fb.com>
Date: Wed, 24 Feb 2016 14:19:52 -0800
Subject: Add cudnn.BatchNormalization and cudnn.VolumetricBatchNormalization

---
 test/test.lua | 48 ++++++++++++++++++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 12 deletions(-)

(limited to 'test')

diff --git a/test/test.lua b/test/test.lua
index 10ceabb..9449b88 100644
--- a/test/test.lua
+++ b/test/test.lua
@@ -1134,16 +1134,11 @@ function cudnntest.SpatialLogSoftMax()
     mytester:assertlt(err, precision_backward, 'error in difference between central difference and :backward')
 end
 
-function cudnntest.SpatialBatchNormalization()
-   -- batch
-   local h = math.random(5,10)
-   local w = math.random(5,10)
-   local bsz = math.random(1, 32)
-   local from = math.random(1, 32)
-   local input = torch.randn(bsz,from,h,w):cuda()
-   local gradOutput = torch.randn(bsz,from,h,w):cuda()
-   local cbn = cudnn.SpatialBatchNormalization(from, 1e-3):cuda()
-   local gbn = nn.SpatialBatchNormalization(from, 1e-3):cuda()
+local function testBatchNormalization(moduleName, inputSize)
+   local input = torch.randn(table.unpack(inputSize)):cuda()
+   local gradOutput = torch.randn(table.unpack(inputSize)):cuda()
+   local cbn = cudnn[moduleName](inputSize[2], 1e-3):cuda()
+   local gbn = nn[moduleName](inputSize[2], 1e-3):cuda()
    cbn.weight:copy(gbn.weight)
    cbn.bias:copy(gbn.bias)
    mytester:asserteq(cbn.running_mean:mean(), 0, 'error on BN running_mean init')
@@ -1161,6 +1156,35 @@ function cudnntest.SpatialBatchNormalization()
       precision_backward, 'error in batch normalization (backward) ')
 end
 
+function cudnntest.BatchNormalization()
+   local size = {
+      math.random(1, 32),
+      math.random(16, 256),
+   }
+   testBatchNormalization('BatchNormalization', size)
+end
+
+function cudnntest.SpatialBatchNormalization()
+   local size = {
+      math.random(1, 32),
+      math.random(1, 32),
+      math.random(5, 10),
+      math.random(5, 10),
+   }
+   testBatchNormalization('SpatialBatchNormalization', size)
+end
+
+function cudnntest.SpatialBatchNormalization()
+   local size = {
+      math.random(1, 32),
+      math.random(1, 32),
+      math.random(2, 6),
+      math.random(2, 6),
+      math.random(2, 6),
+   }
+   testBatchNormalization('VolumetricBatchNormalization', size)
+end
+
 function cudnntest.SpatialCrossEntropyCriterion()
     -- batch
     local numLabels = math.random(5,10)
@@ -1188,11 +1212,11 @@ function cudnntest.SpatialCrossEntropyCriterion()
             ggi[{{}, {}, {i}, {j}}]:copy(ggi1)
         end
     end
-    
+
     -- nn.CrossEntropy in contrast to cudnn.SpatialCrossEntropyCriterion cannot
     -- average over the last spatial dimensions because it is run in a loop
     ggi:div(h * w)
-    
+
     local err = (gi - ggi):abs():max()
     mytester:assertlt(err, precision_backward, 'error in difference between central difference and :backward')
 
-- 
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