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7ffe51a4 · Travis CI · d9e9f1d4 · 7ffe51a4 · 7ffe51a4 · 7ffe51a4
33 changed file
--- a/develop/api_doc/_sources/overview.rst.txt
+++ b/develop/api_doc/_sources/overview.rst.txt
-API Overview
+V2 API Overview
-============
+================
-TBD
+The PaddlePaddle V2 API is designed to provide a modern user interface for PaddlePaddle V1(the original layer-based platform of PaddlePaddle),
+it proposes some high-level concepts such as `Layers <http://www.paddlepaddle.org/docs/develop/api/en/v2/config/layer.html>`_ , `Optimizer <http://www.paddlepaddle.org/docs/develop/api/en/v2/config/optimizer.html>`_ , `Evaluator <http://www.paddlepaddle.org/docs/develop/api/en/v2/config/evaluators.html>`_  and `Data Reader <http://www.paddlepaddle.org/docs/develop/api/en/v2/data/data_reader.html>`_ to make the model configuration more familiar to users.
+A model is composed of the computation described by a group of `Layers`, with `Evaluator` to define the error, `Optimizer` to update the parameters and `Data Reader` to feed in the data.
+We also provide the `interface for Training and Inference <http://www.paddlepaddle.org/docs/develop/api/en/v2/run_logic.html>`_ to help control the training and inference phrase,
+it has several easy to use methods
+- `paddle.train` 
+- `paddle.test`
+- `paddle.infer`
+to better expose the internal running details, different `events <http://www.paddlepaddle.org/docs/develop/api/en/v2/run_logic.html#event>`_ are available to users by writing some callbacks.
--- a/develop/api_doc/genindex.html
+++ b/develop/api_doc/genindex.html
@@ -82,7 +82,7 @@
      <div class="doc-module">
        <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -108,7 +108,7 @@
          <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/layer.html">Layers</a></li>

--- a/develop/api_doc/index_en.html
+++ b/develop/api_doc/index_en.html
@@ -33,7 +33,7 @@
              href="genindex.html"/>
        <link rel="search" title="Search" href="search.html"/>
    <link rel="top" title="PaddlePaddle  documentation" href="index.html"/>
-        <link rel="next" title="API Overview" href="overview.html"/> 
+        <link rel="next" title="V2 API Overview" href="overview.html"/> 
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/perfect-scrollbar/0.6.14/css/perfect-scrollbar.min.css" type="text/css" />
  <link rel="stylesheet" href="_static/css/override.css" type="text/css" />
@@ -82,7 +82,7 @@
      <div class="doc-module">
        <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -108,7 +108,7 @@
          <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/layer.html">Layers</a></li>
@@ -173,7 +173,7 @@
 <h1>API<a class="headerlink" href="#api" title="Permalink to this headline">¶</a></h1>
 <div class="toctree-wrapper compound">
 <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -189,7 +189,7 @@
    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="overview.html" class="btn btn-neutral float-right" title="API Overview" accesskey="n">Next <span class="fa fa-arrow-circle-right"></span></a>
+        <a href="overview.html" class="btn btn-neutral float-right" title="V2 API Overview" accesskey="n">Next <span class="fa fa-arrow-circle-right"></span></a>
    </div>

--- a/develop/api_doc/objects.inv
+++ b/develop/api_doc/objects.inv
--- a/develop/api_doc/overview.html
+++ b/develop/api_doc/overview.html
@@ -8,7 +8,7 @@
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>API Overview &mdash; PaddlePaddle  documentation</title>
+  <title>V2 API Overview &mdash; PaddlePaddle  documentation</title>
@@ -83,7 +83,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1 current"><a class="current reference internal" href="#">API Overview</a></li>
+<li class="toctree-l1 current"><a class="current reference internal" href="#">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -109,7 +109,7 @@
          <ul class="current">
-<li class="toctree-l1 current"><a class="current reference internal" href="#">API Overview</a></li>
+<li class="toctree-l1 current"><a class="current reference internal" href="#">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/layer.html">Layers</a></li>
@@ -161,7 +161,7 @@
 <div role="navigation" aria-label="breadcrumbs navigation">
  <ul class="wy-breadcrumbs">
-    <li>API Overview</li>
+    <li>V2 API Overview</li>
  </ul>
 </div>
@@ -170,9 +170,19 @@
          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
           <div itemprop="articleBody">
-  <div class="section" id="api-overview">
+  <div class="section" id="v2-api-overview">
-<h1>API Overview<a class="headerlink" href="#api-overview" title="Permalink to this headline">¶</a></h1>
+<h1>V2 API Overview<a class="headerlink" href="#v2-api-overview" title="Permalink to this headline">¶</a></h1>
-<p>TBD</p>
+<p>The PaddlePaddle V2 API is designed to provide a modern user interface for PaddlePaddle V1(the original layer-based platform of PaddlePaddle),
+it proposes some high-level concepts such as <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/config/layer.html">Layers</a> , <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/config/optimizer.html">Optimizer</a> , <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/config/evaluators.html">Evaluator</a>  and <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/data/data_reader.html">Data Reader</a> to make the model configuration more familiar to users.</p>
+<p>A model is composed of the computation described by a group of <cite>Layers</cite>, with <cite>Evaluator</cite> to define the error, <cite>Optimizer</cite> to update the parameters and <cite>Data Reader</cite> to feed in the data.</p>
+<p>We also provide the <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/run_logic.html">interface for Training and Inference</a> to help control the training and inference phrase,
+it has several easy to use methods</p>
+<ul class="simple">
+<li><cite>paddle.train</cite></li>
+<li><cite>paddle.test</cite></li>
+<li><cite>paddle.infer</cite></li>
+</ul>
+<p>to better expose the internal running details, different <a class="reference external" href="http://www.paddlepaddle.org/docs/develop/api/en/v2/run_logic.html#event">events</a> are available to users by writing some callbacks.</p>
 </div>

--- a/develop/api_doc/py-modindex.html
+++ b/develop/api_doc/py-modindex.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/layer.html">Layers</a></li>

--- a/develop/api_doc/search.html
+++ b/develop/api_doc/search.html
@@ -81,7 +81,7 @@
      <div class="doc-module">
        <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/run_logic.html">Training and Inference</a></li>
@@ -107,7 +107,7 @@
          <ul>
-<li class="toctree-l1"><a class="reference internal" href="overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="v2/model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="v2/config/layer.html">Layers</a></li>

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+++ b/develop/api_doc/searchindex.js
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+++ b/develop/api_doc/v2/data/data_reader.html
@@ -84,7 +84,7 @@
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        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
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-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/data/dataset.html
+++ b/develop/api_doc/v2/data/dataset.html
@@ -84,7 +84,7 @@
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        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
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-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/data/image.html
+++ b/develop/api_doc/v2/data/image.html
@@ -84,7 +84,7 @@
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        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid.html
+++ b/develop/api_doc/v2/fluid.html
@@ -83,7 +83,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="run_logic.html">Training and Inference</a></li>
@@ -109,7 +109,7 @@
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-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/data_feeder.html
+++ b/develop/api_doc/v2/fluid/data_feeder.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/evaluator.html
+++ b/develop/api_doc/v2/fluid/evaluator.html
@@ -84,7 +84,7 @@
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        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/executor.html
+++ b/develop/api_doc/v2/fluid/executor.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/initializer.html
+++ b/develop/api_doc/v2/fluid/initializer.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/io.html
+++ b/develop/api_doc/v2/fluid/io.html
@@ -83,7 +83,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -109,7 +109,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/layers.html
+++ b/develop/api_doc/v2/fluid/layers.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/nets.html
+++ b/develop/api_doc/v2/fluid/nets.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/optimizer.html
+++ b/develop/api_doc/v2/fluid/optimizer.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/param_attr.html
+++ b/develop/api_doc/v2/fluid/param_attr.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/profiler.html
+++ b/develop/api_doc/v2/fluid/profiler.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/fluid/regularizer.html
+++ b/develop/api_doc/v2/fluid/regularizer.html
@@ -84,7 +84,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../run_logic.html">Training and Inference</a></li>
@@ -110,7 +110,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="../config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="../config/layer.html">Layers</a></li>

--- a/develop/api_doc/v2/model_configs.html
+++ b/develop/api_doc/v2/model_configs.html
@@ -34,7 +34,7 @@
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    <link rel="top" title="PaddlePaddle  documentation" href="../index.html"/>
        <link rel="next" title="Activation" href="config/activation.html"/>
-        <link rel="prev" title="API Overview" href="../overview.html"/> 
+        <link rel="prev" title="V2 API Overview" href="../overview.html"/> 
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/perfect-scrollbar/0.6.14/css/perfect-scrollbar.min.css" type="text/css" />
  <link rel="stylesheet" href="../_static/css/override.css" type="text/css" />
@@ -83,7 +83,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1"><a class="reference internal" href="run_logic.html">Training and Inference</a></li>
@@ -109,7 +109,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="config/layer.html">Layers</a></li>
@@ -195,7 +195,7 @@
        <a href="config/activation.html" class="btn btn-neutral float-right" title="Activation" accesskey="n">Next <span class="fa fa-arrow-circle-right"></span></a>
-        <a href="../overview.html" class="btn btn-neutral" title="API Overview" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous</a>
+        <a href="../overview.html" class="btn btn-neutral" title="V2 API Overview" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous</a>
    </div>

--- a/develop/api_doc/v2/run_logic.html
+++ b/develop/api_doc/v2/run_logic.html
@@ -83,7 +83,7 @@
      <div class="doc-module">
        <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="model_configs.html">Model Configuration</a></li>
 <li class="toctree-l1"><a class="reference internal" href="data.html">Data Reader Interface and DataSets</a></li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Training and Inference</a></li>
@@ -109,7 +109,7 @@
          <ul class="current">
-<li class="toctree-l1"><a class="reference internal" href="../overview.html">API Overview</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../overview.html">V2 API Overview</a></li>
 <li class="toctree-l1"><a class="reference internal" href="model_configs.html">Model Configuration</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="config/activation.html">Activation</a></li>
 <li class="toctree-l2"><a class="reference internal" href="config/layer.html">Layers</a></li>