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<title>ArrayFire: Debugging ArrayFire Issues</title>
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<div id="projectbrief">A high-performance general-purpose compute library</div>
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<div class="headertitle"><div class="title">Debugging ArrayFire Issues </div></div>
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<div class="textblock"><p ><a class="anchor" id="md_C__Users_jmelonak_source_repos_arrayfire_arrayfire_docs_pages_debugging"></a></p>
<h1>Using Environment Variables </h1>
<ul>
<li><a href="configuring_environment.htm#af_print_errors"><code>AF_PRINT_ERRORS=1</code></a> : Makes exception's messages more helpful</li>
<li><a href="configuring_environment.htm#af_trace"><code>AF_TRACE=all</code></a>: Print ArrayFire message stream to console</li>
<li><a href="configuring_environment.htm#af_jit_kernel_trace"><code>AF_JIT_KERNEL_TRACE=stdout</code></a>: Writes out source code generated by ArrayFire's JIT to the specified target</li>
<li><a href="configuring_environment.htm#af_opencl_show_build_info"><code>AF_OPENCL_SHOW_BUILD_INFO=1</code></a>: Print OpenCL kernel build log to console</li>
</ul>
<h1>Tips in Language Bindings </h1>
<h2>C++</h2>
<ul>
<li><code>af_print_mem_info("message", -1);</code>: Print table of memory used by ArrayFire on the active GPU</li>
</ul>
<h2>Python</h2>
<ul>
<li><code>arrayfire.device.print_mem_info("message")</code>: Print table of memory used by ArrayFire on the active GPU</li>
</ul>
<h1>Further Reading </h1>
<p >See the <a href="https://github.com/arrayfire/arrayfire">ArrayFire README</a> for support information. </p>
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