From e8c0fb9e143b2cdf619cc921d7afbd5339a6ca14 Mon Sep 17 00:00:00 2001
From: liaogang <liaogang@baidu.com>
Date: Tue, 15 Nov 2016 17:22:22 +0800
Subject: [PATCH] Add GPU Profiler unit test

---
 paddle/math/tests/CMakeLists.txt       |   1 +
 paddle/math/tests/test_GpuProfiler.cpp | 123 +++++++++++++++++++++++++
 2 files changed, 124 insertions(+)
 create mode 100644 paddle/math/tests/test_GpuProfiler.cpp

diff --git a/paddle/math/tests/CMakeLists.txt b/paddle/math/tests/CMakeLists.txt
index 247be983ba3..33d4478b4d3 100644
--- a/paddle/math/tests/CMakeLists.txt
+++ b/paddle/math/tests/CMakeLists.txt
@@ -14,3 +14,4 @@ add_simple_unittest(test_perturbation)
 add_simple_unittest(test_CpuGpuVector)
 add_simple_unittest(test_Allocator)
 add_simple_unittest(test_FPException)
+add_simple_unittest(test_GpuProfiler)
\ No newline at end of file
diff --git a/paddle/math/tests/test_GpuProfiler.cpp b/paddle/math/tests/test_GpuProfiler.cpp
new file mode 100644
index 00000000000..7645447789c
--- /dev/null
+++ b/paddle/math/tests/test_GpuProfiler.cpp
@@ -0,0 +1,123 @@
+/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#ifndef PADDLE_ONLY_CPU
+
+#include "paddle/utils/Util.h"
+#include "paddle/math/Matrix.h"
+#include "paddle/math/SparseMatrix.h"
+#include <gtest/gtest.h>
+#include "paddle/gserver/tests/TestUtil.h"
+#include "paddle/utils/Stat.h"
+#include "hl_cuda.h"
+
+using namespace paddle;  // NOLINT
+using namespace std;     // NOLINT
+
+void MatrixCheckErr(const Matrix& matrix1, const Matrix& matrix2) {
+  CHECK(matrix1.getHeight() == matrix2.getHeight());
+  CHECK(matrix1.getWidth() == matrix2.getWidth());
+#ifndef PADDLE_TYPE_DOUBLE
+  real err = 1e-3;
+#else
+  real err = 1e-10;
+#endif
+
+  int height = matrix1.getHeight();
+  int width = matrix1.getWidth();
+  const real* data1 = matrix1.getData();
+  const real* data2 = matrix2.getData();
+  int count = 0;
+  for (int i = 0; i < height; i++) {
+    for (int j = 0; j < width; j++) {
+      real a = data1[i * width + j];
+      real b = data2[i * width + j];
+      if (fabs(a - b) > err) {
+        if ((fabsf(a - b) / fabsf(a)) > (err / 10.0f)) {
+          count++;
+        }
+      }
+    }
+  }
+  EXPECT_EQ(count, 0) << "There are " << count << " different element.";
+}
+
+void testBilinearFwdBwd(int numSamples, int imgSizeH, int imgSizeW,
+                        int channels) {
+  int inWidth = imgSizeH * imgSizeW * channels;
+  int outWidth = 2 * imgSizeH * 2 * imgSizeW * channels;
+  real ratioH = 0.5;
+  real ratioW = 0.5;
+
+  // forward
+  MatrixPtr input = CpuMatrix::create(numSamples, inWidth, false, false);
+  MatrixPtr inputGpu = GpuMatrix::create(numSamples, inWidth, false, true);
+
+  MatrixPtr target = CpuMatrix::create(numSamples, outWidth, false, false);
+  MatrixPtr targetGpu = GpuMatrix::create(numSamples, outWidth, false, true);
+  MatrixPtr targetCheck = CpuMatrix::create(numSamples, outWidth, false, false);
+
+  input->randomizeUniform();
+  inputGpu->copyFrom(*input);
+
+  target->bilinearForward(*input, imgSizeH, imgSizeW,
+      2 * imgSizeH, 2 * imgSizeW, channels, ratioH, ratioW);
+  targetGpu->bilinearForward(*inputGpu, imgSizeH, imgSizeW,
+      2 * imgSizeH, 2 * imgSizeW, channels, ratioH, ratioW);
+
+  // check
+  targetCheck->copyFrom(*targetGpu);
+  MatrixCheckErr(*target, *targetCheck);
+
+  // backward
+  MatrixPtr inputGrad = CpuMatrix::create(numSamples, inWidth, false, false);
+  MatrixPtr inputGpuGrad = GpuMatrix::create(numSamples, inWidth, false, true);
+
+  MatrixPtr targetGrad = CpuMatrix::create(numSamples, outWidth, false, false);
+  MatrixPtr targetGpuGrad = GpuMatrix::create(numSamples, outWidth, false,
+                                              true);
+  MatrixPtr targetCheckGrad =
+      CpuMatrix::create(numSamples, inWidth, false, false);
+
+  inputGrad->randomizeUniform();
+  targetGrad->randomizeUniform();
+  inputGpuGrad->copyFrom(*inputGrad);
+  targetGpuGrad->copyFrom(*targetGrad);
+
+  inputGrad->bilinearBackward(*targetGrad, 2 * imgSizeH, 2 * imgSizeW,
+      imgSizeH, imgSizeW, channels, ratioH, ratioW);
+  inputGpuGrad->bilinearBackward(*targetGpuGrad, 2 * imgSizeH, 2 * imgSizeW,
+      imgSizeH, imgSizeW, channels, ratioH, ratioW);
+
+  // check
+  targetCheckGrad->copyFrom(*inputGpuGrad);
+  MatrixCheckErr(*inputGrad, *targetCheckGrad);
+}
+
+TEST(Profiler, BilinearFwdBwd) {
+  hl_profiler_start();
+  auto numSamples = 10;
+  auto channels = 16;
+  auto imgSize = 64;
+  testBilinearFwdBwd(numSamples, imgSize, imgSize, channels);
+  hl_profiler_end();
+}
+
+int main(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  initMain(argc, argv);
+  return RUN_ALL_TESTS();
+}
+
+#endif /* PADDLE_ONLY_CPU */
-- 
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