From 79621896ade0b723ddf20dd596cb0e8591f8a917 Mon Sep 17 00:00:00 2001
From: Marcus Edel <marcus.edel@fu-berlin.de>
Date: Sun, 21 Jul 2019 15:41:10 +0200
Subject: [PATCH 1/3] Do not run the ANNLayerTest in parallel.

---
 src/mlpack/tests/CMakeLists.txt | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/mlpack/tests/CMakeLists.txt b/src/mlpack/tests/CMakeLists.txt
index 2ffe0e641d..80c1c231e1 100644
--- a/src/mlpack/tests/CMakeLists.txt
+++ b/src/mlpack/tests/CMakeLists.txt
@@ -187,11 +187,20 @@ add_custom_command(TARGET mlpack_test
 
 # The list of long running parallel tests
 set(parallel_tests
+  "ANNLayerTest;"
   "AsyncLearningTest;"
-  "SVDIncrementalTest;SVDBatchTest;"
-  "LocalCoordinateCodingTest;FeedForwardNetworkTest;SparseAutoencoderTest;"
-  "GMMTest;CFTest;ConvolutionalNetworkTest;HMMTest;LARSTest;"
-  "LogisticRegressionTest;GmmTrainMainTest;"
+  "SVDIncrementalTest;"
+  "SVDBatchTest;"
+  "LocalCoordinateCodingTest;"
+  "FeedForwardNetworkTest;"
+  "SparseAutoencoderTest;"
+  "GMMTest;"
+  "CFTest;"
+  "ConvolutionalNetworkTest;"
+  "HMMTest;"
+  "LARSTest;"
+  "LogisticRegressionTest;"
+  "GmmTrainMainTest;"
   "LinearSVMTest")
 
 # Add tests to the testing framework

From 87deea1094617812007e78c3cc925c106f22f1c6 Mon Sep 17 00:00:00 2001
From: Marcus Edel <marcus.edel@fu-berlin.de>
Date: Sun, 21 Jul 2019 17:18:41 +0200
Subject: [PATCH 2/3] Add another layer in front of it.

---
 src/mlpack/tests/ann_layer_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mlpack/tests/ann_layer_test.cpp b/src/mlpack/tests/ann_layer_test.cpp
index c936fab3f8..eb91f2c7e6 100644
--- a/src/mlpack/tests/ann_layer_test.cpp
+++ b/src/mlpack/tests/ann_layer_test.cpp
@@ -1921,6 +1921,7 @@ BOOST_AUTO_TEST_CASE(GradientAtrousConvolutionLayerTest)
       model = new FFN<NegativeLogLikelihood<>, RandomInitialization>();
       model->Predictors() = input;
       model->Responses() = target;
+      model->Add<IdentityLayer<> >();
       model->Add<Linear<> >(36, 36);
       model->Add<AtrousConvolution<> >(1, 1, 3, 3, 1, 1, 0, 0, 6, 6, 2, 2);
       model->Add<LogSoftMax<> >();

From 8b0a56b91c53a9e36186a864d5dcfadd94e5d65b Mon Sep 17 00:00:00 2001
From: Marcus Edel <marcus.edel@fu-berlin.de>
Date: Sat, 27 Jul 2019 17:21:03 +0200
Subject: [PATCH 3/3] Swap Linear with Identity to only test the Convolution
 Gradient.

---
 src/mlpack/tests/ann_layer_test.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/mlpack/tests/ann_layer_test.cpp b/src/mlpack/tests/ann_layer_test.cpp
index eb91f2c7e6..0cc30f63e8 100644
--- a/src/mlpack/tests/ann_layer_test.cpp
+++ b/src/mlpack/tests/ann_layer_test.cpp
@@ -1922,7 +1922,6 @@ BOOST_AUTO_TEST_CASE(GradientAtrousConvolutionLayerTest)
       model->Predictors() = input;
       model->Responses() = target;
       model->Add<IdentityLayer<> >();
-      model->Add<Linear<> >(36, 36);
       model->Add<AtrousConvolution<> >(1, 1, 3, 3, 1, 1, 0, 0, 6, 6, 2, 2);
       model->Add<LogSoftMax<> >();
     }