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 <div class="subTitle">org.apache.sysds.hops</div>
 <h2 title="Class OptimizerUtils" class="title">Class OptimizerUtils</h2>
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 <pre>public class <span class="typeNameLabel">OptimizerUtils</span>
 extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
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 <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.OptimizationLevel.html" title="enum in org.apache.sysds.hops">OptimizerUtils.OptimizationLevel</a></span></code>
 <div class="block">Optimization Types for Compilation

   O0 STATIC - Decisions for scheduling operations on CP/MR are based on
   predefined set of rules, which check if the dimensions are below a
   fixed/static threshold (OLD Method of choosing between CP and MR).</div>
 </td>
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 <h3>Field Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_ALGEBRAIC_SIMPLIFICATION">ALLOW_ALGEBRAIC_SIMPLIFICATION</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_AUTO_VECTORIZATION">ALLOW_AUTO_VECTORIZATION</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_BRANCH_REMOVAL">ALLOW_BRANCH_REMOVAL</a></span></code>
 <div class="block">Enables if-else branch removal for constant predicates (original literals or
  results of constant folding).</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_CODE_MOTION">ALLOW_CODE_MOTION</a></span></code>
 <div class="block">Enables a specific rewrite for code motion, i.e., hoisting loop invariant code
  out of while, for, and parfor loops.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_COMBINE_FILE_INPUT_FORMAT">ALLOW_COMBINE_FILE_INPUT_FORMAT</a></span></code>
 <div class="block">Enables the use of CombineSequenceFileInputFormat with splitsize = 2x hdfs blocksize,
  if sort buffer size large enough and parallelism not hurt.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_COMMON_SUBEXPRESSION_ELIMINATION">ALLOW_COMMON_SUBEXPRESSION_ELIMINATION</a></span></code>
 <div class="block">Enables common subexpression elimination in dags.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_CONSTANT_FOLDING">ALLOW_CONSTANT_FOLDING</a></span></code>
 <div class="block">Enables constant folding in dags.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_FOR_LOOP_REMOVAL">ALLOW_FOR_LOOP_REMOVAL</a></span></code>
 <div class="block">Enables the removal of (par)for-loops when from, to, and increment are constants
  (original literals or results of constant folding) and lead to an empty sequence,
  i.e., (par)for-loops without a single iteration.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_INTER_PROCEDURAL_ANALYSIS">ALLOW_INTER_PROCEDURAL_ANALYSIS</a></span></code>
 <div class="block">Enables interprocedural analysis between main script and functions as well as functions
  and other functions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_LOOP_UPDATE_IN_PLACE">ALLOW_LOOP_UPDATE_IN_PLACE</a></span></code>
 <div class="block">Enables a specific rewrite that enables update in place for loop variables that are
  only read/updated via cp leftindexing.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_OPERATOR_FUSION">ALLOW_OPERATOR_FUSION</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_RAND_JOB_RECOMPILE">ALLOW_RAND_JOB_RECOMPILE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_RUNTIME_PIGGYBACKING">ALLOW_RUNTIME_PIGGYBACKING</a></span></code>
 <div class="block">Enables parfor runtime piggybacking of MR jobs into the packed jobs for
  scan sharing.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_SCRIPT_LEVEL_COMPRESS_COMMAND">ALLOW_SCRIPT_LEVEL_COMPRESS_COMMAND</a></span></code>
 <div class="block">This variable allows for insertion of Compress and decompress in the dml script from the user.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_SIZE_EXPRESSION_EVALUATION">ALLOW_SIZE_EXPRESSION_EVALUATION</a></span></code>
 <div class="block">Enables simple expression evaluation for datagen parameters 'rows', 'cols'.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_SPLIT_HOP_DAGS">ALLOW_SPLIT_HOP_DAGS</a></span></code>
 <div class="block">Enables a specific hop dag rewrite that splits hop dags after csv persistent reads with
  unknown size in order to allow for recompile.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_SUM_PRODUCT_REWRITES">ALLOW_SUM_PRODUCT_REWRITES</a></span></code>
 <div class="block">Enables sum product rewrites such as mapmultchains.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#ALLOW_WORSTCASE_SIZE_EXPRESSION_EVALUATION">ALLOW_WORSTCASE_SIZE_EXPRESSION_EVALUATION</a></span></code>
 <div class="block">Enables simple expression evaluation for datagen parameters 'rows', 'cols'.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#BOOLEAN_SIZE">BOOLEAN_SIZE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#CHAR_SIZE">CHAR_SIZE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#DEFAULT_BLOCKSIZE">DEFAULT_BLOCKSIZE</a></span></code>
 <div class="block">Default blocksize if unspecified or for testing purposes</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#DEFAULT_FRAME_BLOCKSIZE">DEFAULT_FRAME_BLOCKSIZE</a></span></code>
 <div class="block">Default frame blocksize</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/hops/OptimizerUtils.OptimizationLevel.html" title="enum in org.apache.sysds.hops">OptimizerUtils.OptimizationLevel</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#DEFAULT_OPTLEVEL">DEFAULT_OPTLEVEL</a></span></code>
 <div class="block">Default optimization level if unspecified</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#DEFAULT_SIZE">DEFAULT_SIZE</a></span></code>
 <div class="block">Default memory size, which is used if the actual estimate can not be computed
  e.g., when input/output dimensions are unknown.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#DOUBLE_SIZE">DOUBLE_SIZE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#INT_SIZE">INT_SIZE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#INVALID_SIZE">INVALID_SIZE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#IPA_NUM_REPETITIONS">IPA_NUM_REPETITIONS</a></span></code>
 <div class="block">Number of inter-procedural analysis (IPA) repetitions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#MAX_NNZ_CP_SPARSE">MAX_NNZ_CP_SPARSE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#MAX_NUMCELLS_CP_DENSE">MAX_NUMCELLS_CP_DENSE</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#MEM_UTIL_FACTOR">MEM_UTIL_FACTOR</a></span></code>
 <div class="block">Utilization factor used in deciding whether an operation to be scheduled on CP or MR.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#PARALLEL_CP_READ_PARALLELISM_MULTIPLIER">PARALLEL_CP_READ_PARALLELISM_MULTIPLIER</a></span></code>
 <div class="block">Specifies a multiplier computing the degree of parallelism of parallel
  text read/write out of the available degree of parallelism.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#PARALLEL_CP_WRITE_PARALLELISM_MULTIPLIER">PARALLEL_CP_WRITE_PARALLELISM_MULTIPLIER</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#SAFE_REP_CHANGE_THRES">SAFE_REP_CHANGE_THRES</a></span></code>&nbsp;</td>
 </tr>
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 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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 <!--   -->
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 <h3>Constructor Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#OptimizerUtils--">OptimizerUtils</a></span>()</code>&nbsp;</td>
 </tr>
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 <h3>Method Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#allowsToFilterEmptyBlockOutputs-org.apache.sysds.hops.Hop-">allowsToFilterEmptyBlockOutputs</a></span>(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;hop)</code>&nbsp;</td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#checkSparkBroadcastMemoryBudget-double-">checkSparkBroadcastMemoryBudget</a></span>(double&nbsp;size)</code>&nbsp;</td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#checkSparkBroadcastMemoryBudget-long-long-long-long-">checkSparkBroadcastMemoryBudget</a></span>(long&nbsp;rlen,
                                long&nbsp;clen,
                                long&nbsp;blen,
                                long&nbsp;nnz)</code>&nbsp;</td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#checkSparkCollectMemoryBudget-org.apache.sysds.runtime.meta.DataCharacteristics-long-">checkSparkCollectMemoryBudget</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc,
                              long&nbsp;memPinned)</code>&nbsp;</td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#checkSparkCollectMemoryBudget-org.apache.sysds.runtime.meta.DataCharacteristics-long-boolean-">checkSparkCollectMemoryBudget</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc,
                              long&nbsp;memPinned,
                              boolean&nbsp;checkBP)</code>&nbsp;</td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#checkSparseBlockCSRConversion-org.apache.sysds.runtime.meta.DataCharacteristics-">checkSparseBlockCSRConversion</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dcIn)</code>&nbsp;</td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/conf/CompilerConfig.html" title="class in org.apache.sysds.conf">CompilerConfig</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#constructCompilerConfig-org.apache.sysds.conf.CompilerConfig-org.apache.sysds.conf.DMLConfig-">constructCompilerConfig</a></span>(<a href="../../../../org/apache/sysds/conf/CompilerConfig.html" title="class in org.apache.sysds.conf">CompilerConfig</a>&nbsp;cconf,
                        <a href="../../../../org/apache/sysds/conf/DMLConfig.html" title="class in org.apache.sysds.conf">DMLConfig</a>&nbsp;dmlconf)</code>&nbsp;</td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/conf/CompilerConfig.html" title="class in org.apache.sysds.conf">CompilerConfig</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#constructCompilerConfig-org.apache.sysds.conf.DMLConfig-">constructCompilerConfig</a></span>(<a href="../../../../org/apache/sysds/conf/DMLConfig.html" title="class in org.apache.sysds.conf">DMLConfig</a>&nbsp;dmlconf)</code>&nbsp;</td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-org.apache.sysds.runtime.meta.DataCharacteristics-">estimatePartitionedSizeExactSparsity</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc)</code>
 <div class="block">Estimates the footprint (in bytes) for a partitioned in-memory representation of a
  matrix with the given matrix characteristics</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-org.apache.sysds.runtime.meta.DataCharacteristics-boolean-">estimatePartitionedSizeExactSparsity</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc,
                                     boolean&nbsp;outputEmptyBlocks)</code>&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-org.apache.sysds.hops.Hop-">estimatePartitionedSizeExactSparsity</a></span>(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;hop)</code>
 <div class="block">Estimates the footprint (in bytes) for a partitioned in-memory representation of a
  matrix with the hops dimensions and number of non-zeros nnz.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-long-long-long-double-">estimatePartitionedSizeExactSparsity</a></span>(long&nbsp;rlen,
                                     long&nbsp;clen,
                                     long&nbsp;blen,
                                     double&nbsp;sp)</code>
 <div class="block">Estimates the footprint (in bytes) for a partitioned in-memory representation of a
  matrix with dimensions=(nrows,ncols) and sparsity=sp.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-long-long-long-double-boolean-">estimatePartitionedSizeExactSparsity</a></span>(long&nbsp;rlen,
                                     long&nbsp;clen,
                                     long&nbsp;blen,
                                     double&nbsp;sp,
                                     boolean&nbsp;outputEmptyBlocks)</code>&nbsp;</td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-long-long-long-long-">estimatePartitionedSizeExactSparsity</a></span>(long&nbsp;rlen,
                                     long&nbsp;clen,
                                     long&nbsp;blen,
                                     long&nbsp;nnz)</code>
 <div class="block">Estimates the footprint (in bytes) for a partitioned in-memory representation of a
  matrix with dimensions=(nrows,ncols) and number of non-zeros nnz.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimatePartitionedSizeExactSparsity-long-long-long-long-boolean-">estimatePartitionedSizeExactSparsity</a></span>(long&nbsp;rlen,
                                     long&nbsp;clen,
                                     long&nbsp;blen,
                                     long&nbsp;nnz,
                                     boolean&nbsp;outputEmptyBlocks)</code>&nbsp;</td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSize-org.apache.sysds.runtime.meta.DataCharacteristics-">estimateSize</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc)</code>&nbsp;</td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSize-long-long-">estimateSize</a></span>(long&nbsp;nrows,
             long&nbsp;ncols)</code>
 <div class="block">Similar to estimate() except that it provides worst-case estimates
  when the optimization type is ROBUST.</div>
 </td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeEmptyBlock-long-long-">estimateSizeEmptyBlock</a></span>(long&nbsp;nrows,
                       long&nbsp;ncols)</code>&nbsp;</td>
 </tr>
 <tr id="i18" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeExactSparsity-org.apache.sysds.runtime.meta.DataCharacteristics-">estimateSizeExactSparsity</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc)</code>&nbsp;</td>
 </tr>
 <tr id="i19" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeExactSparsity-long-long-double-">estimateSizeExactSparsity</a></span>(long&nbsp;nrows,
                          long&nbsp;ncols,
                          double&nbsp;sp)</code>
 <div class="block">Estimates the footprint (in bytes) for an in-memory representation of a
  matrix with dimensions=(nrows,ncols) and sparsity=sp.</div>
 </td>
 </tr>
 <tr id="i20" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeExactSparsity-long-long-long-">estimateSizeExactSparsity</a></span>(long&nbsp;nrows,
                          long&nbsp;ncols,
                          long&nbsp;nnz)</code>
 <div class="block">Estimates the footprint (in bytes) for an in-memory representation of a
  matrix with dimensions=(nrows,ncols) and and number of non-zeros nnz.</div>
 </td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeTextOutput-int:A-long-org.apache.sysds.common.Types.FileFormat-">estimateSizeTextOutput</a></span>(int[]&nbsp;dims,
                       long&nbsp;nnz,
                       <a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a>&nbsp;fmt)</code>&nbsp;</td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#estimateSizeTextOutput-long-long-long-org.apache.sysds.common.Types.FileFormat-">estimateSizeTextOutput</a></span>(long&nbsp;rows,
                       long&nbsp;cols,
                       long&nbsp;nnz,
                       <a href="../../../../org/apache/sysds/common/Types.FileFormat.html" title="enum in org.apache.sysds.common">Types.FileFormat</a>&nbsp;fmt)</code>&nbsp;</td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#exceedsCachingThreshold-long-double-">exceedsCachingThreshold</a></span>(long&nbsp;dim2,
                        double&nbsp;outMem)</code>
 <div class="block">Indicates if the given matrix characteristics exceed the threshold for
  caching, i.e., the matrix should be cached.</div>
 </td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getBinaryOpSparsity-double-double-org.apache.sysds.common.Types.OpOp2-boolean-">getBinaryOpSparsity</a></span>(double&nbsp;sp1,
                    double&nbsp;sp2,
                    <a href="../../../../org/apache/sysds/common/Types.OpOp2.html" title="enum in org.apache.sysds.common">Types.OpOp2</a>&nbsp;op,
                    boolean&nbsp;worstcase)</code>
 <div class="block">Estimates the result sparsity for matrix-matrix binary operations (A op B)</div>
 </td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getBinaryOpSparsityConditionalSparseSafe-double-org.apache.sysds.common.Types.OpOp2-org.apache.sysds.hops.LiteralOp-">getBinaryOpSparsityConditionalSparseSafe</a></span>(double&nbsp;sp1,
                                         <a href="../../../../org/apache/sysds/common/Types.OpOp2.html" title="enum in org.apache.sysds.common">Types.OpOp2</a>&nbsp;op,
                                         <a href="../../../../org/apache/sysds/hops/LiteralOp.html" title="class in org.apache.sysds.hops">LiteralOp</a>&nbsp;lit)</code>&nbsp;</td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getConstrainedNumThreads-int-">getConstrainedNumThreads</a></span>(int&nbsp;maxNumThreads)</code>&nbsp;</td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/common/Types.ExecMode.html" title="enum in org.apache.sysds.common">Types.ExecMode</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getDefaultExecutionMode--">getDefaultExecutionMode</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getDefaultFrameSize--">getDefaultFrameSize</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i29" class="rowColor">
 <td class="colFirst"><code>static org.apache.log4j.Level</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getDefaultLogLevel--">getDefaultLogLevel</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getDefaultSize--">getDefaultSize</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getLeftIndexingSparsity-long-long-long-long-long-long-">getLeftIndexingSparsity</a></span>(long&nbsp;rlen1,
                        long&nbsp;clen1,
                        long&nbsp;nnz1,
                        long&nbsp;rlen2,
                        long&nbsp;clen2,
                        long&nbsp;nnz2)</code>&nbsp;</td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getLocalMemBudget--">getLocalMemBudget</a></span>()</code>
 <div class="block">Returns memory budget (according to util factor) in bytes</div>
 </td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getMatMultNnz-double-double-long-long-long-boolean-">getMatMultNnz</a></span>(double&nbsp;sp1,
              double&nbsp;sp2,
              long&nbsp;m,
              long&nbsp;k,
              long&nbsp;n,
              boolean&nbsp;worstcase)</code>&nbsp;</td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getMatMultSparsity-double-double-long-long-long-boolean-">getMatMultSparsity</a></span>(double&nbsp;sp1,
                   double&nbsp;sp2,
                   long&nbsp;m,
                   long&nbsp;k,
                   long&nbsp;n,
                   boolean&nbsp;worstcase)</code>
 <div class="block">Estimates the result sparsity for Matrix Multiplication A %*% B.</div>
 </td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getNnz-long-long-double-">getNnz</a></span>(long&nbsp;dim1,
       long&nbsp;dim2,
       double&nbsp;sp)</code>&nbsp;</td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getNumIterations-org.apache.sysds.runtime.controlprogram.ForProgramBlock-org.apache.sysds.runtime.controlprogram.LocalVariableMap-long-">getNumIterations</a></span>(<a href="../../../../org/apache/sysds/runtime/controlprogram/ForProgramBlock.html" title="class in org.apache.sysds.runtime.controlprogram">ForProgramBlock</a>&nbsp;fpb,
                 <a href="../../../../org/apache/sysds/runtime/controlprogram/LocalVariableMap.html" title="class in org.apache.sysds.runtime.controlprogram">LocalVariableMap</a>&nbsp;vars,
                 long&nbsp;defaultValue)</code>&nbsp;</td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getNumIterations-org.apache.sysds.runtime.controlprogram.ForProgramBlock-long-">getNumIterations</a></span>(<a href="../../../../org/apache/sysds/runtime/controlprogram/ForProgramBlock.html" title="class in org.apache.sysds.runtime.controlprogram">ForProgramBlock</a>&nbsp;fpb,
                 long&nbsp;defaultValue)</code>&nbsp;</td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getNumMappers--">getNumMappers</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getNumReducers-boolean-">getNumReducers</a></span>(boolean&nbsp;configOnly)</code>
 <div class="block">Returns the number of reducers that potentially run in parallel.</div>
 </td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/hops/OptimizerUtils.OptimizationLevel.html" title="enum in org.apache.sysds.hops">OptimizerUtils.OptimizationLevel</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getOptLevel--">getOptLevel</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i41" class="rowColor">
 <td class="colFirst"><code>static long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getOuterNonZeros-long-long-long-long-org.apache.sysds.common.Types.OpOp2-">getOuterNonZeros</a></span>(long&nbsp;n1,
                 long&nbsp;n2,
                 long&nbsp;nnz1,
                 long&nbsp;nnz2,
                 <a href="../../../../org/apache/sysds/common/Types.OpOp2.html" title="enum in org.apache.sysds.common">Types.OpOp2</a>&nbsp;op)</code>&nbsp;</td>
 </tr>
 <tr id="i42" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getParallelBinaryReadParallelism--">getParallelBinaryReadParallelism</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i43" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getParallelBinaryWriteParallelism--">getParallelBinaryWriteParallelism</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i44" class="altColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getParallelTextReadParallelism--">getParallelTextReadParallelism</a></span>()</code>
 <div class="block">Returns the degree of parallelism used for parallel text read.</div>
 </td>
 </tr>
 <tr id="i45" class="rowColor">
 <td class="colFirst"><code>static int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getParallelTextWriteParallelism--">getParallelTextWriteParallelism</a></span>()</code>
 <div class="block">Returns the degree of parallelism used for parallel text write.</div>
 </td>
 </tr>
 <tr id="i46" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getSparsity-org.apache.sysds.runtime.meta.DataCharacteristics-">getSparsity</a></span>(<a href="../../../../org/apache/sysds/runtime/meta/DataCharacteristics.html" title="class in org.apache.sysds.runtime.meta">DataCharacteristics</a>&nbsp;dc)</code>&nbsp;</td>
 </tr>
 <tr id="i47" class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getSparsity-org.apache.sysds.hops.Hop-">getSparsity</a></span>(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;hop)</code>&nbsp;</td>
 </tr>
 <tr id="i48" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getSparsity-long:A-long-">getSparsity</a></span>(long[]&nbsp;dims,
            long&nbsp;nnz)</code>&nbsp;</td>
 </tr>
 <tr id="i49" class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getSparsity-long-long-long-">getSparsity</a></span>(long&nbsp;dim1,
            long&nbsp;dim2,
            long&nbsp;nnz)</code>&nbsp;</td>
 </tr>
 <tr id="i50" class="altColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getTotalMemEstimate-org.apache.sysds.hops.Hop:A-org.apache.sysds.hops.Hop-">getTotalMemEstimate</a></span>(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>[]&nbsp;in,
                    <a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;out)</code>&nbsp;</td>
 </tr>
 <tr id="i51" class="rowColor">
 <td class="colFirst"><code>static double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getTotalMemEstimate-org.apache.sysds.hops.Hop:A-org.apache.sysds.hops.Hop-boolean-">getTotalMemEstimate</a></span>(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>[]&nbsp;in,
                    <a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;out,
                    boolean&nbsp;denseOut)</code>&nbsp;</td>
 </tr>
 <tr id="i52" class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#getUniqueTempFileName--">getUniqueTempFileName</a></span>()</code>
 <div class="block">Wrapper over internal filename construction for external usage.</div>
 </td>
 </tr>
 <tr id="i53" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#isBinaryOpConditionalSparseSafe-org.apache.sysds.common.Types.OpOp2-">isBinaryOpConditionalSparseSafe</a></span>(<a href="../../../../org/apache/sysds/common/Types.OpOp2.html" title="enum in org.apache.sysds.common">Types.OpOp2</a>&nbsp;op)</code>
 <div class="block">Determines if a given binary op is potentially conditional sparse safe.</div>
 </td>
 </tr>
 <tr id="i54" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/hops/OptimizerUtils.html#isBinaryOpConditionalSparseSafeExact-org.apache.sysds.common.Types.OpOp2-org.apache.sysds.hops.LiteralOp-">isBinaryOpConditionalSparseSafeExact</a></span>(<a href="../../../../org/apache/sysds/common/Types.OpOp2.html" title="enum in org.apache.sysds.common">Types.OpOp2</a>&nbsp;op,
                                     <a href="../../../../org/apache/sysds/hops/LiteralOp.html" title="class in org.apache.sysds.hops">LiteralOp</a>&nbsp;lit)</code>
 <div class="block">Determines if a given binary op with scalar literal guarantee an output
  sparsity which is exactly the same as its matrix input sparsity.</div>
 </td>
 </tr>
 <tr id="i55" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
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 <tr id="i56" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
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 <tr id="i57" class="rowColor">
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 <tr id="i58" class="altColor">
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 <div class="block">Indicates if the given indexing range is block aligned, i.e., it does not require
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 <tr id="i59" class="rowColor">
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 <tr id="i73" class="rowColor">
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 <dt><span class="paramLabel">Parameters:</span></dt>
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                                              long&nbsp;clen2,
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 <h4>rEvalSimpleDoubleExpression</h4>
 <pre>public static&nbsp;double&nbsp;rEvalSimpleDoubleExpression(<a href="../../../../org/apache/sysds/hops/Hop.html" title="class in org.apache.sysds.hops">Hop</a>&nbsp;root,
                                                  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&gt;&nbsp;valMemo,
                                                  <a href="../../../../org/apache/sysds/runtime/controlprogram/LocalVariableMap.html" title="class in org.apache.sysds.runtime.controlprogram">LocalVariableMap</a>&nbsp;vars)</pre>
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