From 1b8e151fa2b1d79b3e145600f136e6d3d556fe70 Mon Sep 17 00:00:00 2001
From: Peng Li <lipeng17@baidu.com>
Date: Wed, 21 Dec 2016 10:49:04 +0800
Subject: [PATCH] Support user specified label input in tests

---
 paddle/gserver/tests/LayerGradUtil.cpp | 36 ++++++++++++++++++++++----
 paddle/gserver/tests/LayerGradUtil.h   | 19 ++++++++++++++
 2 files changed, 50 insertions(+), 5 deletions(-)

diff --git a/paddle/gserver/tests/LayerGradUtil.cpp b/paddle/gserver/tests/LayerGradUtil.cpp
index 1d5e7de1b..57c176810 100644
--- a/paddle/gserver/tests/LayerGradUtil.cpp
+++ b/paddle/gserver/tests/LayerGradUtil.cpp
@@ -303,13 +303,31 @@ void initDataLayer(TestConfig testConf,
   ICpuGpuVectorPtr sequenceStartPositions;
   ICpuGpuVectorPtr subSequenceStartPositions;
   IVectorPtr cpuSequenceDims;
-  for (size_t i = 0; i < testConf.inputDefs.size(); i++) {
+  for (size_t i = 0; i < testConf.inputDefs.size(); ++i) {
+    if (testConf.inputDefs[i].inputType != INPUT_SEQUENCE_LABEL) continue;
+
+    const std::vector<int>& labelSeqStartPositions =
+        testConf.inputDefs[i].labelSeqStartPositions;
+    if (labelSeqStartPositions.size() != 0) {
+      CHECK(!sequenceStartPositions);
+      CHECK_GE(labelSeqStartPositions.size(), 2);
+
+      sequenceStartPositions =
+          ICpuGpuVector::create(labelSeqStartPositions.size(), useGpu);
+      sequenceStartPositions->copyFrom(
+          labelSeqStartPositions.data(), labelSeqStartPositions.size(), useGpu);
+    }
+  }
+
+  for (size_t i = 0; i < testConf.inputDefs.size(); ++i) {
     LayerConfig config;
     config.set_name(testConf.inputDefs[i].name);
     config.set_type("data");
     config.set_size(testConf.inputDefs[i].dim);
     LayerPtr layer = LayerPtr(new DataLayer(config));
-    size_t numSequence = batchSize / 10 + 1;
+    size_t numSequence = sequenceStartPositions
+                             ? sequenceStartPositions->getSize() - 1
+                             : batchSize / 10 + 1;
 
     Argument data;
     auto fillData = [&](bool trans, int height, int width) {
@@ -336,9 +354,17 @@ void initDataLayer(TestConfig testConf,
         break;
       case INPUT_LABEL:
       case INPUT_SEQUENCE_LABEL:
-        data.ids = VectorT<int>::create(batchSize, useGpu);
-        // now rand number can be 0 to inputDefs[i].dim
-        data.ids->rand(testConf.inputDefs[i].dim);
+        if (testConf.inputDefs[i].labelInitValue.size() != 0) {
+          const std::vector<int>& labelInitValue =
+              testConf.inputDefs[i].labelInitValue;
+          CHECK_EQ(labelInitValue.size(), batchSize);
+          data.ids = VectorT<int>::create(batchSize, useGpu);
+          data.ids->copyFrom(labelInitValue.data(), batchSize);
+        } else {
+          data.ids = VectorT<int>::create(batchSize, useGpu);
+          // now rand number can be 0 to inputDefs[i].dim
+          data.ids->rand(testConf.inputDefs[i].dim);
+        }
         break;
       case INPUT_SPARSE_NON_VALUE_DATA:
         data.value = makeRandomSparseMatrix(
diff --git a/paddle/gserver/tests/LayerGradUtil.h b/paddle/gserver/tests/LayerGradUtil.h
index 62ac2d160..46cfcd29e 100644
--- a/paddle/gserver/tests/LayerGradUtil.h
+++ b/paddle/gserver/tests/LayerGradUtil.h
@@ -64,6 +64,8 @@ struct InputDef {
   size_t paraSize;
   ParaSparse sparse;
   bool isStatic;
+  std::vector<int> labelInitValue;
+  std::vector<int> labelSeqStartPositions;
   InputDef(InputType type, string nameIn, size_t dimIn, size_t sizeIn) {
     inputType = type;
     name = nameIn;
@@ -72,6 +74,23 @@ struct InputDef {
     sparse = {""};
     isStatic = false;
   }
+
+  InputDef(InputType type,
+           string nameIn,
+           size_t dimIn,
+           size_t sizeIn,
+           std::vector<int> labelInitValue,
+           std::vector<int> labelSeqStartPositions)
+      : labelInitValue(labelInitValue),
+        labelSeqStartPositions(labelSeqStartPositions) {
+    inputType = type;
+    name = nameIn;
+    dim = dimIn;
+    paraSize = sizeIn;
+    sparse = {""};
+    isStatic = false;
+  }
+
   InputDef(InputType type,
            string nameIn,
            size_t dimIn,
-- 
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