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| <h1>SequentialModule</h1><h3><span class="morelinks"><div>Related Doc: |
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| <span class="modifier_kind"> |
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| <span class="kind">class</span> |
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| <span class="name">SequentialModule</span><span class="result"> extends <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></span> |
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| |
| <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>A SequentialModule is a container module that can chain multiple modules together. |
| Note building a computation graph with this kind of imperative container is less |
| flexible and less efficient than the symbolic graph. |
| So this should be only used as a handy utility. |
| </p></div><div class="toggleContainer block"> |
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| <div class="superTypes hiddenContent"><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a>, <span class="extype" name="scala.AnyRef">AnyRef</span>, <span class="extype" name="scala.Any">Any</span></div> |
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| <h3>Instance Constructors</h3> |
| <ol><li name="org.apache.mxnet.module.SequentialModule#<init>" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
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| <span class="modifier"></span> |
| <span class="kind">new</span> |
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| <span class="symbol"> |
| <span class="name">SequentialModule</span><span class="params">()</span> |
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| <span title="gt4s: $hash$hash" class="name">##</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span> |
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| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span title="gt4s: $eq$eq" class="name">==</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
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| </li><li name="org.apache.mxnet.module.SequentialModule#add" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="add(module:org.apache.mxnet.module.BaseModule,kwargs:(String,Boolean)*):org.apache.mxnet.module.SequentialModule"></a> |
| <a id="add(BaseModule,(String,Boolean)*):SequentialModule"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">add</span><span class="params">(<span name="module">module: <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></span>, <span name="kwargs">kwargs: (<span class="extype" name="scala.Predef.String">String</span>, <span class="extype" name="scala.Boolean">Boolean</span>)*</span>)</span><span class="result">: <a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@add(module:org.apache.mxnet.module.BaseModule,kwargs:(String,Boolean)*):org.apache.mxnet.module.SequentialModule" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Add a module to the chain.</p><div class="fullcomment"><div class="comment cmt"><p>Add a module to the chain. |
| An example of addinging two modules to a chain: |
| val seqMod = new SequentialModule() |
| seqMod.add(mod1).add(mod2)</p></div><dl class="paramcmts block"><dt class="param">module</dt><dd class="cmt"><p>The new module to add.</p></dd><dt class="param">kwargs</dt><dd class="cmt"><p>All the keyword arguments are saved as meta information |
| for the added module. The currently known meta includes</p><ul><li>"take_labels": indicating whether the module expect to |
| take labels when doing computation. Note any module in |
| the chain can take labels (not necessarily only the top |
| most one), and they all take the same labels passed |
| from the original data batch for the <code>SequentialModule</code>.</li></ul></dd><dt>returns</dt><dd class="cmt"><p>This function returns <code>this</code> to allow us to easily chain a series of <code>add</code> calls.</p></dd></dl></div> |
| </li><li name="scala.Any#asInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="asInstanceOf[T0]:T0"></a> |
| <a id="asInstanceOf[T0]:T0"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">asInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Any.asInstanceOf.T0">T0</span></span> |
| </span> |
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| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#backward" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="backward(outGrads:Array[org.apache.mxnet.NDArray]):Unit"></a> |
| <a id="backward(Array[NDArray]):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">backward</span><span class="params">(<span name="outGrads">outGrads: <span class="extype" name="scala.Array">Array</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">null</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@backward(outGrads:Array[org.apache.mxnet.NDArray]):Unit" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Backward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Backward computation.</p></div><dl class="paramcmts block"><dt class="param">outGrads</dt><dd class="cmt"><p>Gradient on the outputs to be propagated back. |
| This parameter is only needed when bind is called |
| on outputs that are not a loss function.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#bind" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="bind(dataShapes:IndexedSeq[org.apache.mxnet.DataDesc],labelShapes:Option[IndexedSeq[org.apache.mxnet.DataDesc]],forTraining:Boolean,inputsNeedGrad:Boolean,forceRebind:Boolean,sharedModule:Option[org.apache.mxnet.module.BaseModule],gradReq:String):Unit"></a> |
| <a id="bind(IndexedSeq[DataDesc],Option[IndexedSeq[DataDesc]],Boolean,Boolean,Boolean,Option[BaseModule],String):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">bind</span><span class="params">(<span name="dataShapes">dataShapes: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>]</span>, <span name="labelShapes">labelShapes: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>]] = <span class="symbol">None</span></span>, <span name="forTraining">forTraining: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>, <span name="inputsNeedGrad">inputsNeedGrad: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>, <span name="forceRebind">forceRebind: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>, <span name="sharedModule">sharedModule: <span class="extype" name="scala.Option">Option</span>[<a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a>] = <span class="symbol">None</span></span>, <span name="gradReq">gradReq: <span class="extype" name="scala.Predef.String">String</span> = <span class="symbol">"write"</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@bind(dataShapes:IndexedSeq[org.apache.mxnet.DataDesc],labelShapes:Option[IndexedSeq[org.apache.mxnet.DataDesc]],forTraining:Boolean,inputsNeedGrad:Boolean,forceRebind:Boolean,sharedModule:Option[org.apache.mxnet.module.BaseModule],gradReq:String):Unit" title="Permalink" target="_top"> |
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| <p class="shortcomment cmt">Bind the symbols to construct executors.</p><div class="fullcomment"><div class="comment cmt"><p>Bind the symbols to construct executors. This is necessary before one |
| can perform computation with the module.</p></div><dl class="paramcmts block"><dt class="param">dataShapes</dt><dd class="cmt"><p>Typically is <code>dataIter.provideData</code>.</p></dd><dt class="param">labelShapes</dt><dd class="cmt"><p>Typically is <code>data_iter.provide_label</code>.</p></dd><dt class="param">forTraining</dt><dd class="cmt"><p>Default is <code>true</code>. Whether the executors should be bind for training.</p></dd><dt class="param">inputsNeedGrad</dt><dd class="cmt"><p>Default is <code>false</code>. |
| Whether the gradients to the input data need to be computed. |
| Typically this is not needed. |
| But this might be needed when implementing composition of modules.</p></dd><dt class="param">forceRebind</dt><dd class="cmt"><p>Default is <code>false</code>. |
| This function does nothing if the executors are already binded. |
| But with this <code>true</code>, the executors will be forced to rebind.</p></dd><dt class="param">sharedModule</dt><dd class="cmt"><p>Default is <code>None</code>. This is used in bucketing. |
| When not <code>None</code>, the shared module essentially corresponds to |
| a different bucket -- a module with different symbol |
| but with the same sets of parameters |
| (e.g. unrolled RNNs with different lengths).</p></dd><dt class="param">gradReq</dt><dd class="cmt"><p>Requirement for gradient accumulation (globally). |
| Can be 'write', 'add', or 'null' (default to 'write').</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#bind" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="bind(forTraining:Boolean,inputsNeedGrad:Boolean,forceRebind:Boolean,dataShape:org.apache.mxnet.DataDesc*):Unit"></a> |
| <a id="bind(Boolean,Boolean,Boolean,DataDesc*):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">bind</span><span class="params">(<span name="forTraining">forTraining: <span class="extype" name="scala.Boolean">Boolean</span></span>, <span name="inputsNeedGrad">inputsNeedGrad: <span class="extype" name="scala.Boolean">Boolean</span></span>, <span name="forceRebind">forceRebind: <span class="extype" name="scala.Boolean">Boolean</span></span>, <span name="dataShape">dataShape: <a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>*</span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@bind(forTraining:Boolean,inputsNeedGrad:Boolean,forceRebind:Boolean,dataShape:org.apache.mxnet.DataDesc*):Unit" title="Permalink" target="_top"> |
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| </span> |
| <p class="shortcomment cmt">Bind the symbols to construct executors.</p><div class="fullcomment"><div class="comment cmt"><p>Bind the symbols to construct executors. |
| This is necessary before one can perform computation with the module.</p></div><dl class="paramcmts block"><dt class="param">forTraining</dt><dd class="cmt"><p>Default is <code>True</code>. Whether the executors should be bind for training.</p></dd><dt class="param">inputsNeedGrad</dt><dd class="cmt"><p>Default is <code>False</code>. |
| Whether the gradients to the input data need to be computed. |
| Typically this is not needed. |
| But this might be needed when implementing composition of modules.</p></dd><dt class="param">forceRebind</dt><dd class="cmt"><p>Default is <code>False</code>. This function does nothing |
| if the executors are already binded. But with this <code>True</code>, |
| the executors will be forced to rebind.</p></dd><dt class="param">dataShape</dt><dd class="cmt"><p>Typically is <code>DataIter.provideData</code>.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd><dt>Annotations</dt><dd> |
| <span class="name">@varargs</span><span class="args">()</span> |
| |
| </dd></dl></div> |
| </li><li name="scala.AnyRef#clone" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="clone():Object"></a> |
| <a id="clone():AnyRef"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">clone</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.AnyRef">AnyRef</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected[<a href="../../../../java$lang.html" class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.CloneNotSupportedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#dataNames" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="dataNames:IndexedSeq[String]"></a> |
| <a id="dataNames:IndexedSeq[String]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">dataNames</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<span class="extype" name="scala.Predef.String">String</span>]</span> |
| </span> |
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| </span> |
| <p class="shortcomment cmt"></p><div class="fullcomment"><div class="comment cmt"></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>A list of names for data required by this module.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#dataShapes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="dataShapes:IndexedSeq[org.apache.mxnet.DataDesc]"></a> |
| <a id="dataShapes:IndexedSeq[DataDesc]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">dataShapes</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>]</span> |
| </span> |
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| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get data shapes.</p><div class="fullcomment"><div class="comment cmt"><p>Get data shapes.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>The data shapes of the first module is the data shape of a SequentialModule.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="eq(x$1:AnyRef):Boolean"></a> |
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| <span class="modifier">final </span> |
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| <span class="name">eq</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
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| <span class="name">equals</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Any">Any</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
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| </li><li name="scala.AnyRef#finalize" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="finalize():Unit"></a> |
| <a id="finalize():Unit"></a> |
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| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">finalize</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="symbol">classOf[java.lang.Throwable]</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#fit" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="fit(trainData:org.apache.mxnet.DataIter,evalData:Option[org.apache.mxnet.DataIter],numEpoch:Int,fitParams:org.apache.mxnet.module.FitParams):Unit"></a> |
| <a id="fit(DataIter,Option[DataIter],Int,FitParams):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">fit</span><span class="params">(<span name="trainData">trainData: <a href="../DataIter.html" class="extype" name="org.apache.mxnet.DataIter">DataIter</a></span>, <span name="evalData">evalData: <span class="extype" name="scala.Option">Option</span>[<a href="../DataIter.html" class="extype" name="org.apache.mxnet.DataIter">DataIter</a>] = <span class="symbol">None</span></span>, <span name="numEpoch">numEpoch: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span name="fitParams">fitParams: <a href="FitParams.html" class="extype" name="org.apache.mxnet.module.FitParams">FitParams</a> = <span class="symbol"><span class="name"><a href="FitParams.html">new FitParams</a></span></span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@fit(trainData:org.apache.mxnet.DataIter,evalData:Option[org.apache.mxnet.DataIter],numEpoch:Int,fitParams:org.apache.mxnet.module.FitParams):Unit" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
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| <p class="shortcomment cmt">Train the module parameters.</p><div class="fullcomment"><div class="comment cmt"><p>Train the module parameters.</p></div><dl class="paramcmts block"><dt class="param">evalData</dt><dd class="cmt"><p>If not <code>None</code>, will be used as validation set and evaluate |
| the performance after each epoch.</p></dd><dt class="param">numEpoch</dt><dd class="cmt"><p>Number of epochs to run training.</p></dd><dt class="param">fitParams</dt><dd class="cmt"><p>Extra parameters for training.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#forward" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="forward(dataBatch:org.apache.mxnet.DataBatch,isTrain:Option[Boolean]):Unit"></a> |
| <a id="forward(DataBatch,Option[Boolean]):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">forward</span><span class="params">(<span name="dataBatch">dataBatch: <a href="../DataBatch.html" class="extype" name="org.apache.mxnet.DataBatch">DataBatch</a></span>, <span name="isTrain">isTrain: <span class="extype" name="scala.Option">Option</span>[<span class="extype" name="scala.Boolean">Boolean</span>] = <span class="symbol">None</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@forward(dataBatch:org.apache.mxnet.DataBatch,isTrain:Option[Boolean]):Unit" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Forward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Forward computation.</p></div><dl class="paramcmts block"><dt class="param">dataBatch</dt><dd class="cmt"><p>input data</p></dd><dt class="param">isTrain</dt><dd class="cmt"><p>Default is <code>None</code>, which means <code>isTrain</code> takes the value of <code>forTraining</code>.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#forward" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="forward(dataBatch:org.apache.mxnet.DataBatch,isTrain:Boolean):Unit"></a> |
| <a id="forward(DataBatch,Boolean):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">forward</span><span class="params">(<span name="dataBatch">dataBatch: <a href="../DataBatch.html" class="extype" name="org.apache.mxnet.DataBatch">DataBatch</a></span>, <span name="isTrain">isTrain: <span class="extype" name="scala.Boolean">Boolean</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@forward(dataBatch:org.apache.mxnet.DataBatch,isTrain:Boolean):Unit" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Forward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Forward computation.</p></div><dl class="paramcmts block"><dt class="param">dataBatch</dt><dd class="cmt"><p>a batch of data.</p></dd><dt class="param">isTrain</dt><dd class="cmt"><p>Whether it is for training or not.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#forwardBackward" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="forwardBackward(dataBatch:org.apache.mxnet.DataBatch):Unit"></a> |
| <a id="forwardBackward(DataBatch):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">forwardBackward</span><span class="params">(<span name="dataBatch">dataBatch: <a href="../DataBatch.html" class="extype" name="org.apache.mxnet.DataBatch">DataBatch</a></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@forwardBackward(dataBatch:org.apache.mxnet.DataBatch):Unit" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="scala.AnyRef#getClass" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getClass():Class[_]"></a> |
| <a id="getClass():Class[_]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getClass</span><span class="params">()</span><span class="result">: <span class="extype" name="java.lang.Class">Class</span>[_]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getClass():Class[_]" title="Permalink" target="_top"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#getInputGrads" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getInputGrads():IndexedSeq[IndexedSeq[org.apache.mxnet.NDArray]]"></a> |
| <a id="getInputGrads():IndexedSeq[IndexedSeq[NDArray]]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getInputGrads</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getInputGrads():IndexedSeq[IndexedSeq[org.apache.mxnet.NDArray]]" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Get the gradients to the inputs, computed in the previous backward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Get the gradients to the inputs, computed in the previous backward computation.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>In the case when data-parallelism is used, |
| the grads will be collected from multiple devices. |
| The results will look like <code>[ [grad1_dev1, grad1_dev2], [grad2_dev1, grad2_dev2] ]</code>, |
| those <code>NDArray</code> might live on different devices.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#getInputGradsMerged" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getInputGradsMerged():IndexedSeq[org.apache.mxnet.NDArray]"></a> |
| <a id="getInputGradsMerged():IndexedSeq[NDArray]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getInputGradsMerged</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getInputGradsMerged():IndexedSeq[org.apache.mxnet.NDArray]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get the gradients to the inputs, computed in the previous backward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Get the gradients to the inputs, computed in the previous backward computation.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>In the case when data-parallelism is used, |
| the grads will be merged from multiple devices, |
| as they look like from a single executor. |
| The results will look like <code>[grad1, grad2]</code></p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#getOutputs" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getOutputs():IndexedSeq[IndexedSeq[org.apache.mxnet.NDArray]]"></a> |
| <a id="getOutputs():IndexedSeq[IndexedSeq[NDArray]]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getOutputs</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getOutputs():IndexedSeq[IndexedSeq[org.apache.mxnet.NDArray]]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get outputs of the previous forward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Get outputs of the previous forward computation.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>In the case when data-parallelism is used, |
| the outputs will be collected from multiple devices. |
| The results will look like <code>[ [out1_dev1, out1_dev2], [out2_dev1, out2_dev2] ]</code>, |
| those <code>NDArray</code> might live on different devices.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#getOutputsMerged" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getOutputsMerged():IndexedSeq[org.apache.mxnet.NDArray]"></a> |
| <a id="getOutputsMerged():IndexedSeq[NDArray]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getOutputsMerged</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getOutputsMerged():IndexedSeq[org.apache.mxnet.NDArray]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get outputs of the previous forward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Get outputs of the previous forward computation.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>In the case when data-parallelism is used, |
| the outputs will be merged from multiple devices, |
| as they look like from a single executor. |
| The results will look like <code>[out1, out2]</code></p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#getParams" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getParams:(Map[String,org.apache.mxnet.NDArray],Map[String,org.apache.mxnet.NDArray])"></a> |
| <a id="getParams:(Map[String,NDArray],Map[String,NDArray])"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getParams</span><span class="result">: (<span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="scala.Predef.String">String</span>, <a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>], <span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="scala.Predef.String">String</span>, <a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>])</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@getParams:(Map[String,org.apache.mxnet.NDArray],Map[String,org.apache.mxnet.NDArray])" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get current parameters.</p><div class="fullcomment"><div class="comment cmt"><p>Get current parameters.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>(argParams, auxParams), |
| each a Map of name to parameters (in NDArray) mapping.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#getSymbol" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="getSymbol:org.apache.mxnet.Symbol"></a> |
| <a id="getSymbol:Symbol"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">getSymbol</span><span class="result">: <a href="../Symbol.html" class="extype" name="org.apache.mxnet.Symbol">Symbol</a></span> |
| </span> |
| </h4><span class="permalink"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="scala.AnyRef#hashCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="hashCode():Int"></a> |
| <a id="hashCode():Int"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
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| <span class="symbol"> |
| <span class="name">hashCode</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span> |
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| </li><li name="org.apache.mxnet.module.SequentialModule#initOptimizer" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="initOptimizer(kvstore:String,optimizer:org.apache.mxnet.Optimizer,resetOptimizer:Boolean,forceInit:Boolean):Unit"></a> |
| <a id="initOptimizer(String,Optimizer,Boolean,Boolean):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">initOptimizer</span><span class="params">(<span name="kvstore">kvstore: <span class="extype" name="scala.Predef.String">String</span> = <span class="symbol">"local"</span></span>, <span name="optimizer">optimizer: <a href="../Optimizer.html" class="extype" name="org.apache.mxnet.Optimizer">Optimizer</a> = <span class="symbol"><span class="name"><a href="../../../package.html">new SGD()</a></span></span></span>, <span name="resetOptimizer">resetOptimizer: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>, <span name="forceInit">forceInit: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@initOptimizer(kvstore:String,optimizer:org.apache.mxnet.Optimizer,resetOptimizer:Boolean,forceInit:Boolean):Unit" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Install and initialize optimizers.</p><div class="fullcomment"><div class="comment cmt"><p>Install and initialize optimizers.</p></div><dl class="paramcmts block"><dt class="param">resetOptimizer</dt><dd class="cmt"><p>Default <code>True</code>, indicating whether we should set <code>rescaleGrad</code> |
| & <code>idx2name</code> for optimizer according to executorGroup</p></dd><dt class="param">forceInit</dt><dd class="cmt"><p>Default <code>False</code>, indicating whether we should force re-initializing |
| the optimizer in the case an optimizer is already installed.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#initParams" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="initParams(initializer:org.apache.mxnet.Initializer,argParams:Map[String,org.apache.mxnet.NDArray],auxParams:Map[String,org.apache.mxnet.NDArray],allowMissing:Boolean,forceInit:Boolean,allowExtra:Boolean):Unit"></a> |
| <a id="initParams(Initializer,Map[String,NDArray],Map[String,NDArray],Boolean,Boolean,Boolean):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">initParams</span><span class="params">(<span name="initializer">initializer: <a href="../Initializer.html" class="extype" name="org.apache.mxnet.Initializer">Initializer</a> = <span class="symbol"><span class="name"><a href="../../../package.html">new Uniform(0.01f)</a></span></span></span>, <span name="argParams">argParams: <span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="scala.Predef.String">String</span>, <a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">null</span></span>, <span name="auxParams">auxParams: <span class="extype" name="scala.Predef.Map">Map</span>[<span class="extype" name="scala.Predef.String">String</span>, <a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>] = <span class="symbol">null</span></span>, <span name="allowMissing">allowMissing: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>, <span name="forceInit">forceInit: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>, <span name="allowExtra">allowExtra: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">false</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@initParams(initializer:org.apache.mxnet.Initializer,argParams:Map[String,org.apache.mxnet.NDArray],auxParams:Map[String,org.apache.mxnet.NDArray],allowMissing:Boolean,forceInit:Boolean,allowExtra:Boolean):Unit" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
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| <p class="shortcomment cmt">Initialize the parameters and auxiliary states.</p><div class="fullcomment"><div class="comment cmt"><p>Initialize the parameters and auxiliary states.</p></div><dl class="paramcmts block"><dt class="param">initializer</dt><dd class="cmt"><p>Called to initialize parameters if needed.</p></dd><dt class="param">argParams</dt><dd class="cmt"><p>If not None, should be a dictionary of existing arg_params. |
| Initialization will be copied from that.</p></dd><dt class="param">auxParams</dt><dd class="cmt"><p>If not None, should be a dictionary of existing aux_params. |
| Initialization will be copied from that.</p></dd><dt class="param">allowMissing</dt><dd class="cmt"><p>If true, params could contain missing values, |
| and the initializer will be called to fill those missing params.</p></dd><dt class="param">forceInit</dt><dd class="cmt"><p>If true, will force re-initialize even if already initialized.</p></dd><dt class="param">allowExtra</dt><dd class="cmt"><p>Whether allow extra parameters that are not needed by symbol. |
| If this is True, no error will be thrown when argParams or auxParams |
| contain extra parameters that is not needed by the executor.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#installMonitor" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="installMonitor(monitor:org.apache.mxnet.Monitor):Unit"></a> |
| <a id="installMonitor(Monitor):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">installMonitor</span><span class="params">(<span name="monitor">monitor: <a href="../Monitor.html" class="extype" name="org.apache.mxnet.Monitor">Monitor</a></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@installMonitor(monitor:org.apache.mxnet.Monitor):Unit" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="isInstanceOf[T0]:Boolean"></a> |
| <a id="isInstanceOf[T0]:Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">isInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#labelShapes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="labelShapes:IndexedSeq[org.apache.mxnet.DataDesc]"></a> |
| <a id="labelShapes:IndexedSeq[DataDesc]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">labelShapes</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@labelShapes:IndexedSeq[org.apache.mxnet.DataDesc]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get label shapes.</p><div class="fullcomment"><div class="comment cmt"><p>Get label shapes.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>The return value could be null if |
| the module does not need labels, or if the module is not binded for |
| training (in this case, label information is not available).</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#loadParams" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="loadParams(fname:String):Unit"></a> |
| <a id="loadParams(String):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">loadParams</span><span class="params">(<span name="fname">fname: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@loadParams(fname:String):Unit" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Load model parameters from file.</p><div class="fullcomment"><div class="comment cmt"><p>Load model parameters from file.</p></div><dl class="paramcmts block"><dt class="param">fname</dt><dd class="cmt"><p>Path to input param file.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="symbol">classOf[IOException]</span> |
| </span>)</span> |
| |
| </dd><dt>Exceptions thrown</dt><dd><span class="cmt"><p><span class="extype" name="IOException"><code>IOException</code></span> if param file is invalid</p></span></dd></dl></div> |
| </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="ne(x$1:AnyRef):Boolean"></a> |
| <a id="ne(AnyRef):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">ne</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
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| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@ne(x$1:AnyRef):Boolean" title="Permalink" target="_top"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notify():Unit"></a> |
| <a id="notify():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notify</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@notify():Unit" title="Permalink" target="_top"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notifyAll():Unit"></a> |
| <a id="notifyAll():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#outputDesc" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="outputDesc:IndexedSeq[org.apache.mxnet.DataDesc]"></a> |
| <a id="outputDesc:IndexedSeq[DataDesc]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">outputDesc</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../DataDesc.html" class="extype" name="org.apache.mxnet.DataDesc">DataDesc</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@outputDesc:IndexedSeq[org.apache.mxnet.DataDesc]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get output shapes.</p><div class="fullcomment"><div class="comment cmt"><p>Get output shapes.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>The output shapes of the last |
| module is the output shape of a SequentialModule.</p></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#outputNames" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="outputNames:IndexedSeq[String]"></a> |
| <a id="outputNames:IndexedSeq[String]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">outputNames</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<span class="extype" name="scala.Predef.String">String</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@outputNames:IndexedSeq[String]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt"></p><div class="fullcomment"><div class="comment cmt"></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>A list of names for the outputs of this module.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.SequentialModule#outputShapes" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="outputShapes:IndexedSeq[(String,org.apache.mxnet.Shape)]"></a> |
| <a id="outputShapes:IndexedSeq[(String,Shape)]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">outputShapes</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[(<span class="extype" name="scala.Predef.String">String</span>, <a href="../Shape.html" class="extype" name="org.apache.mxnet.Shape">Shape</a>)]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@outputShapes:IndexedSeq[(String,org.apache.mxnet.Shape)]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Get output shapes.</p><div class="fullcomment"><div class="comment cmt"><p>Get output shapes.</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>The output shapes of the last |
| module is the output shape of a SequentialModule.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#predict" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="predict(evalData:org.apache.mxnet.DataIter,numBatch:Int,reset:Boolean):IndexedSeq[org.apache.mxnet.NDArray]"></a> |
| <a id="predict(DataIter,Int,Boolean):IndexedSeq[NDArray]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">predict</span><span class="params">(<span name="evalData">evalData: <a href="../DataIter.html" class="extype" name="org.apache.mxnet.DataIter">DataIter</a></span>, <span name="numBatch">numBatch: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span name="reset">reset: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>)</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@predict(evalData:org.apache.mxnet.DataIter,numBatch:Int,reset:Boolean):IndexedSeq[org.apache.mxnet.NDArray]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Run prediction and collect the outputs.</p><div class="fullcomment"><div class="comment cmt"><p>Run prediction and collect the outputs.</p></div><dl class="paramcmts block"><dt class="param">evalData</dt><dd class="cmt"><p>dataIter to do the Inference</p></dd><dt class="param">numBatch</dt><dd class="cmt"><p>Default is -1, indicating running all the batches in the data iterator.</p></dd><dt class="param">reset</dt><dd class="cmt"><p>Default is <code>True</code>, indicating whether we should reset the data iter before start |
| doing prediction.</p></dd><dt>returns</dt><dd class="cmt"><p>The return value will be a list <code>[out1, out2, out3]</code>. |
| The concatenation process will be like</p><pre>outputBatches = [ |
| [a1, a2, a3], <span class="cmt">// batch a</span> |
| [b1, b2, b3] <span class="cmt">// batch b</span> |
| ] |
| result = [ |
| NDArray, <span class="cmt">// [a1, b1]</span> |
| NDArray, <span class="cmt">// [a2, b2]</span> |
| NDArray, <span class="cmt">// [a3, b3]</span> |
| ]</pre><p> Where each element is concatenation of the outputs for all the mini-batches.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#predict" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="predict(batch:org.apache.mxnet.DataBatch):IndexedSeq[org.apache.mxnet.NDArray]"></a> |
| <a id="predict(DataBatch):IndexedSeq[NDArray]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">predict</span><span class="params">(<span name="batch">batch: <a href="../DataBatch.html" class="extype" name="org.apache.mxnet.DataBatch">DataBatch</a></span>)</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]</span> |
| </span> |
| </h4><span class="permalink"> |
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| </li><li name="org.apache.mxnet.module.BaseModule#predictEveryBatch" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="predictEveryBatch(evalData:org.apache.mxnet.DataIter,numBatch:Int,reset:Boolean):IndexedSeq[IndexedSeq[org.apache.mxnet.NDArray]]"></a> |
| <a id="predictEveryBatch(DataIter,Int,Boolean):IndexedSeq[IndexedSeq[NDArray]]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">predictEveryBatch</span><span class="params">(<span name="evalData">evalData: <a href="../DataIter.html" class="extype" name="org.apache.mxnet.DataIter">DataIter</a></span>, <span name="numBatch">numBatch: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span name="reset">reset: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>)</span><span class="result">: <span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<span class="extype" name="scala.IndexedSeq">IndexedSeq</span>[<a href="../NDArray.html" class="extype" name="org.apache.mxnet.NDArray">NDArray</a>]]</span> |
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| <p class="shortcomment cmt">Run prediction and collect the outputs.</p><div class="fullcomment"><div class="comment cmt"><p>Run prediction and collect the outputs.</p></div><dl class="paramcmts block"><dt class="param">numBatch</dt><dd class="cmt"><p>Default is -1, indicating running all the batches in the data iterator.</p></dd><dt class="param">reset</dt><dd class="cmt"><p>Default is <code>True</code>, indicating whether we should reset the data iter before start |
| doing prediction.</p></dd><dt>returns</dt><dd class="cmt"><p>The return value will be a nested list like |
| <code>[ [out1_batch1, out2_batch1, ...], [out1_batch2, out2_batch2, ...] ]</code> |
| This mode is useful because in some cases (e.g. bucketing), |
| the module does not necessarily produce the same number of outputs.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#saveParams" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="saveParams(fname:String):Unit"></a> |
| <a id="saveParams(String):Unit"></a> |
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| <span class="modifier"></span> |
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| <span class="symbol"> |
| <span class="name">saveParams</span><span class="params">(<span name="fname">fname: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </span> |
| <p class="shortcomment cmt">Save model parameters to file.</p><div class="fullcomment"><div class="comment cmt"><p>Save model parameters to file.</p></div><dl class="paramcmts block"><dt class="param">fname</dt><dd class="cmt"><p>Path to output param file.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#score" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="score(evalData:org.apache.mxnet.DataIter,evalMetric:org.apache.mxnet.EvalMetric,numBatch:Int,batchEndCallback:Option[org.apache.mxnet.BatchEndCallback],scoreEndCallback:Option[org.apache.mxnet.BatchEndCallback],reset:Boolean,epoch:Int):org.apache.mxnet.EvalMetric"></a> |
| <a id="score(DataIter,EvalMetric,Int,Option[BatchEndCallback],Option[BatchEndCallback],Boolean,Int):EvalMetric"></a> |
| <h4 class="signature"> |
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| <span class="symbol"> |
| <span class="name">score</span><span class="params">(<span name="evalData">evalData: <a href="../DataIter.html" class="extype" name="org.apache.mxnet.DataIter">DataIter</a></span>, <span name="evalMetric">evalMetric: <a href="../EvalMetric.html" class="extype" name="org.apache.mxnet.EvalMetric">EvalMetric</a></span>, <span name="numBatch">numBatch: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">Integer.MAX_VALUE</span></span>, <span name="batchEndCallback">batchEndCallback: <span class="extype" name="scala.Option">Option</span>[<a href="../BatchEndCallback.html" class="extype" name="org.apache.mxnet.BatchEndCallback">BatchEndCallback</a>] = <span class="symbol">None</span></span>, <span name="scoreEndCallback">scoreEndCallback: <span class="extype" name="scala.Option">Option</span>[<a href="../BatchEndCallback.html" class="extype" name="org.apache.mxnet.BatchEndCallback">BatchEndCallback</a>] = <span class="symbol">None</span></span>, <span name="reset">reset: <span class="extype" name="scala.Boolean">Boolean</span> = <span class="symbol">true</span></span>, <span name="epoch">epoch: <span class="extype" name="scala.Int">Int</span> = <span class="symbol">0</span></span>)</span><span class="result">: <a href="../EvalMetric.html" class="extype" name="org.apache.mxnet.EvalMetric">EvalMetric</a></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.mxnet.module.SequentialModule@score(evalData:org.apache.mxnet.DataIter,evalMetric:org.apache.mxnet.EvalMetric,numBatch:Int,batchEndCallback:Option[org.apache.mxnet.BatchEndCallback],scoreEndCallback:Option[org.apache.mxnet.BatchEndCallback],reset:Boolean,epoch:Int):org.apache.mxnet.EvalMetric" title="Permalink" target="_top"> |
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| </span> |
| <p class="shortcomment cmt">Run prediction on <code>eval_data</code> and evaluate the performance according to <code>eval_metric</code>.</p><div class="fullcomment"><div class="comment cmt"><p>Run prediction on <code>eval_data</code> and evaluate the performance according to <code>eval_metric</code>.</p></div><dl class="paramcmts block"><dt class="param">evalData</dt><dd class="cmt"><p>: DataIter</p></dd><dt class="param">evalMetric</dt><dd class="cmt"><p>: EvalMetric</p></dd><dt class="param">numBatch</dt><dd class="cmt"><p>Number of batches to run. Default is <code>Integer.MAX_VALUE</code>, |
| indicating run until the <code>DataIter</code> finishes.</p></dd><dt class="param">batchEndCallback</dt><dd class="cmt"><p>Could also be a list of functions.</p></dd><dt class="param">reset</dt><dd class="cmt"><p>Default <code>True</code>, |
| indicating whether we should reset <code>eval_data</code> before starting evaluating.</p></dd><dt class="param">epoch</dt><dd class="cmt"><p>Default 0. For compatibility, this will be passed to callbacks (if any). |
| During training, this will correspond to the training epoch number.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
| </li><li name="org.apache.mxnet.module.BaseModule#setParams" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="setParams(argParams:Map[String,org.apache.mxnet.NDArray],auxParams:Map[String,org.apache.mxnet.NDArray],allowMissing:Boolean,forceInit:Boolean,allowExtra:Boolean):Unit"></a> |
| <a id="setParams(Map[String,NDArray],Map[String,NDArray],Boolean,Boolean,Boolean):Unit"></a> |
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| <p class="shortcomment cmt">Assign parameter and aux state values.</p><div class="fullcomment"><div class="comment cmt"><p>Assign parameter and aux state values. |
| argParams : dict |
| Dictionary of name to value (<code>NDArray</code>) mapping. |
| auxParams : dict |
| Dictionary of name to value (<code>NDArray</code>) mapping. |
| allowMissing : bool |
| If true, params could contain missing values, and the initializer will be |
| called to fill those missing params. |
| forceInit : bool |
| If true, will force re-initialize even if already initialized. |
| allowExtra : bool |
| Whether allow extra parameters that are not needed by symbol. |
| If this is True, no error will be thrown when argParams or auxParams |
| contain extra parameters that is not needed by the executor. |
| </p></div><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
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| <a id="updateMetric(evalMetric:org.apache.mxnet.EvalMetric,labels:IndexedSeq[org.apache.mxnet.NDArray]):Unit"></a> |
| <a id="updateMetric(EvalMetric,IndexedSeq[NDArray]):Unit"></a> |
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| <p class="shortcomment cmt">Evaluate and accumulate evaluation metric on outputs of the last forward computation.</p><div class="fullcomment"><div class="comment cmt"><p>Evaluate and accumulate evaluation metric on outputs of the last forward computation.</p></div><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mxnet.module.SequentialModule">SequentialModule</a> → <a href="BaseModule.html" class="extype" name="org.apache.mxnet.module.BaseModule">BaseModule</a></dd></dl></div> |
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