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  77.   <div class="section" id="cf-chunksize">
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  78. <h1>cf.CHUNKSIZE<a class="headerlink" href="#cf-chunksize" title="Permalink to this headline"></a></h1>
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  79. <dl class="function">
    80. 

  80. <dt id="cf.CHUNKSIZE">
    81. 

  81. <code class="descclassname">cf.</code><code class="descname">CHUNKSIZE</code><span class="sig-paren">(</span><em>*size</em><span class="sig-paren">)</span><a class="reference external" href="https://bitbucket.org/cfpython/cf-python/src/v2.0/cf/functions.py#functions.py-220"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#cf.CHUNKSIZE" title="Permalink to this definition"></a></dt>
    82. 

  82. <dd><p>The memory chunk size in bytes for data storage and processing.</p>
    83. 

  83. <p>When setting the chunk size, the amount of minimum amount of memory to
    84. 

  84. be kept free as a temporary work space is also updated.</p>
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  90. <dt>size</dt>
    91. 

  91.  <span class="classifier-delimiter">:</span> <span class="classifier">int, optional</span><dd><p class="first last">The new chunk size in bytes. The default is to not change the
    92. 

  92. current value.</p>
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  98. <dt>out</dt>
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  99.  <span class="classifier-delimiter">:</span> <span class="classifier">float</span><dd><p class="first last">The value prior to the change, or the current value if no new
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  108. <p class="first admonition-title">See also</p>
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  109. <p class="last"><a class="reference internal" href="cf.MINNCFM.html#cf.MINNCFM" title="cf.MINNCFM"><code class="xref py py-obj docutils literal"><span class="pre">cf.MINNCFM</span></code></a></p>
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  115. <tr class="field-odd field"><th class="field-name">Examples:</th><td class="field-body"></td>
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  119. <div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">cf</span><span class="o">.</span><span class="n">CHUNKSIZE</span><span class="p">()</span>
    120. 

  120. <span class="go">57095864.32</span>
    121. 

  121. <span class="gp">&gt;&gt;&gt; </span><span class="n">old</span> <span class="o">=</span> <span class="n">cf</span><span class="o">.</span><span class="n">CHUNKSIZE</span><span class="p">(</span><span class="mi">2</span><span class="o">**</span><span class="mi">30</span><span class="p">)</span>
    122. 

  122. <span class="gp">&gt;&gt;&gt; </span><span class="n">cf</span><span class="o">.</span><span class="n">CHUNKSIZE</span><span class="p">(</span><span class="n">old</span><span class="p">)</span>
    123. 

  123. <span class="go">1073741824</span>
    124. 

  124. <span class="gp">&gt;&gt;&gt; </span><span class="n">cf</span><span class="o">.</span><span class="n">CHUNKSIZE</span><span class="p">()</span>
    125. 

  125. <span class="go">57095864.32</span>
    126. 

  126. </pre></div>
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