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<div class="subTitle">org.apache.sysds.runtime.controlprogram.caching</div>
<h2 title="Class CacheStatistics" class="title">Class CacheStatistics</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.sysds.runtime.controlprogram.caching.CacheStatistics</li>
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<pre>public class <span class="typeNameLabel">CacheStatistics</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>
<div class="block">This singleton provides basic caching statistics in CP.
1) Hit statistics for caching (mem, fs, hdfs, total)
NOTE: In order to provide accurate statistics in multi-threaded
synchronized increments are required. Since those functions are
called potentially very often, we use atomic increments
(compare and swap) instead of heavy-weight 'synchronized' methods.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.Stat.html" title="enum in org.apache.sysds.runtime.controlprogram.caching">CacheStatistics.Stat</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#CacheStatistics--">CacheStatistics</a></span>()</code>&nbsp;</td>
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<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/runtime/controlprogram/caching/CacheStatistics.html#displayHits--">displayHits</a></span>()</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<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/runtime/controlprogram/caching/CacheStatistics.html#displayTime--">displayTime</a></span>()</code>&nbsp;</td>
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<tr id="i2" 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/runtime/controlprogram/caching/CacheStatistics.html#displayWrites--">displayWrites</a></span>()</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#getAcquireMTime--">getAcquireMTime</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#getAcquireRTime--">getAcquireRTime</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#getExportTime--">getExportTime</a></span>()</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#getFSBuffHits--">getFSBuffHits</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#getFSBuffWrites--">getFSBuffWrites</a></span>()</code>&nbsp;</td>
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<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/runtime/controlprogram/caching/CacheStatistics.html#getFSHits--">getFSHits</a></span>()</code>&nbsp;</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/runtime/controlprogram/caching/CacheStatistics.html#getFSWrites--">getFSWrites</a></span>()</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/runtime/controlprogram/caching/CacheStatistics.html#getHDFSHits--">getHDFSHits</a></span>()</code>&nbsp;</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/runtime/controlprogram/caching/CacheStatistics.html#getHDFSWrites--">getHDFSWrites</a></span>()</code>&nbsp;</td>
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<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/runtime/controlprogram/caching/CacheStatistics.html#getLinHits--">getLinHits</a></span>()</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/runtime/controlprogram/caching/CacheStatistics.html#getLinWrites--">getLinWrites</a></span>()</code>&nbsp;</td>
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<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/runtime/controlprogram/caching/CacheStatistics.html#getMemHits--">getMemHits</a></span>()</code>&nbsp;</td>
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<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/runtime/controlprogram/caching/CacheStatistics.html#getReleaseTime--">getReleaseTime</a></span>()</code>&nbsp;</td>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementAcquireMTime-long-">incrementAcquireMTime</a></span>(long&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementAcquireRTime-long-">incrementAcquireRTime</a></span>(long&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementExportTime-long-">incrementExportTime</a></span>(long&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSBuffHits--">incrementFSBuffHits</a></span>()</code>&nbsp;</td>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSBuffHits-int-">incrementFSBuffHits</a></span>(int&nbsp;delta)</code>&nbsp;</td>
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<tr id="i21" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSBuffWrites--">incrementFSBuffWrites</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSBuffWrites-int-">incrementFSBuffWrites</a></span>(int&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSHits--">incrementFSHits</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSHits-int-">incrementFSHits</a></span>(int&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSWrites--">incrementFSWrites</a></span>()</code>&nbsp;</td>
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<tr id="i26" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementFSWrites-int-">incrementFSWrites</a></span>(int&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementHDFSHits--">incrementHDFSHits</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementHDFSHits-int-">incrementHDFSHits</a></span>(int&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementHDFSWrites--">incrementHDFSWrites</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementHDFSWrites-int-">incrementHDFSWrites</a></span>(int&nbsp;delta)</code>&nbsp;</td>
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<tr id="i31" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementLinHits--">incrementLinHits</a></span>()</code>&nbsp;</td>
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<tr id="i32" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementLinHits-int-">incrementLinHits</a></span>(int&nbsp;delta)</code>&nbsp;</td>
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<tr id="i33" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementLinWrites--">incrementLinWrites</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementLinWrites-int-">incrementLinWrites</a></span>(int&nbsp;delta)</code>&nbsp;</td>
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<tr id="i35" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementMemHits--">incrementMemHits</a></span>()</code>&nbsp;</td>
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<tr id="i36" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementMemHits-int-">incrementMemHits</a></span>(int&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#incrementReleaseTime-long-">incrementReleaseTime</a></span>(long&nbsp;delta)</code>&nbsp;</td>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/CacheStatistics.html#reset--">reset</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>CacheStatistics</h4>
<pre>public&nbsp;CacheStatistics()</pre>
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<h4>reset</h4>
<pre>public static&nbsp;void&nbsp;reset()</pre>
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<h4>incrementMemHits</h4>
<pre>public static&nbsp;void&nbsp;incrementMemHits()</pre>
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<h4>incrementMemHits</h4>
<pre>public static&nbsp;void&nbsp;incrementMemHits(int&nbsp;delta)</pre>
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<pre>public static&nbsp;long&nbsp;getMemHits()</pre>
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<h4>incrementFSBuffHits</h4>
<pre>public static&nbsp;void&nbsp;incrementFSBuffHits()</pre>
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