<div dir="ltr"><div class="gmail_default" style="font-family:'trebuchet ms',sans-serif"><div id="siteSub" style="display:inline;font-size:12.8800001144409px;color:rgb(37,37,37);font-family:sans-serif">From Wikipedia, the free encyclopedia</div><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px;line-height:22.3999996185303px"></span><div id="contentSub" style="font-size:11.7600002288818px;line-height:1.2em;margin:0px 0px 1.4em 1em;color:rgb(84,84,84);width:auto;font-family:sans-serif"></div><div id="jump-to-nav" class="" style="overflow:hidden;height:0px;zoom:1;margin-bottom:1.4em;color:rgb(37,37,37);font-family:sans-serif;font-size:14px;line-height:22.3999996185303px"><a href="http://en.wikipedia.org/wiki/Graphics_processing_unit#mw-head" style="text-decoration:none;color:rgb(11,0,128);background:none"></a><a href="http://en.wikipedia.org/wiki/Graphics_processing_unit#p-search" style="text-decoration:none;color:rgb(11,0,128);background:none"></a></div><div id="mw-content-text" lang="en" dir="ltr" class="" style="direction:ltr;color:rgb(37,37,37);font-family:sans-serif;font-size:14px;line-height:22.3999996185303px"><div class="" style="font-style:italic;padding-left:1.6em;margin-bottom:0.5em">Not to be confused with <a href="http://en.wikipedia.org/wiki/Graphics_card" title="Graphics card" class="" style="text-decoration:none;color:rgb(11,0,128);background:none">Graphics card</a>.</div><div class="" style="font-style:italic;padding-left:1.6em;margin-bottom:0.5em">"GPU" redirects here. For other uses, see <a href="http://en.wikipedia.org/wiki/GPU_(disambiguation)" title="GPU (disambiguation)" class="" style="text-decoration:none;color:rgb(11,0,128);background:none">GPU (disambiguation)</a>.</div><div class="" style="font-style:italic;padding-left:1.6em;margin-bottom:0.5em"><span style="line-height:inherit;font-style:normal"><br></span></div><div class="" style="font-style:italic;padding-left:1.6em;margin-bottom:0.5em"><span style="line-height:inherit;font-style:normal">A</span><span style="line-height:inherit;font-style:normal"> </span><b style="line-height:inherit;font-style:normal">graphics processing unit</b><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">(</span><b style="line-height:inherit;font-style:normal">GPU</b><span style="line-height:inherit;font-style:normal">), also occasionally called</span><span style="line-height:inherit;font-style:normal"> </span><b style="line-height:inherit;font-style:normal">visual processing unit</b><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">(</span><b style="line-height:inherit;font-style:normal">VPU</b><span style="line-height:inherit;font-style:normal">), is a specialized</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Electronic_circuit" title="Electronic circuit" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">electronic circuit</a><span style="line-height:inherit;font-style:normal">designed to rapidly manipulate and alter memory to accelerate the creation of images in a</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Frame_buffer" title="Frame buffer" class="" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">frame buffer</a><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">intended for output to a display. GPUs are used in</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Embedded_system" title="Embedded system" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">embedded systems</a><span style="line-height:inherit;font-style:normal">,</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Mobile_phone" title="Mobile phone" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">mobile phones</a><span style="line-height:inherit;font-style:normal">,</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Personal_computer" title="Personal computer" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">personal computers</a><span style="line-height:inherit;font-style:normal">,</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Workstation" title="Workstation" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">workstations</a><span style="line-height:inherit;font-style:normal">, and</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Game_console" title="Game console" class="" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">game consoles</a><span style="line-height:inherit;font-style:normal">. Modern GPUs are very efficient at manipulating</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Computer_graphics" title="Computer graphics" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">computer graphics</a><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">and</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Image_processing" title="Image processing" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">image processing</a><span style="line-height:inherit;font-style:normal">, and their highly parallel structure makes them more effective than general-purpose</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Central_processing_unit" title="Central processing unit" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">CPUs</a><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">for</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Algorithm" title="Algorithm" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">algorithms</a><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">where processing of large blocks of data is done in parallel. In a personal computer, a GPU can be present on a</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Video_card" title="Video card" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">video card</a><span style="line-height:inherit;font-style:normal">, or it can be on the</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Motherboard" title="Motherboard" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">motherboard</a><span style="line-height:inherit;font-style:normal"> </span><span style="line-height:inherit;font-style:normal">or—in certain CPUs—on the CPU</span><span style="line-height:inherit;font-style:normal"> </span><a href="http://en.wikipedia.org/wiki/Die_(integrated_circuit)" title="Die (integrated circuit)" style="line-height:inherit;font-style:normal;text-decoration:none;color:rgb(11,0,128);background:none">die</a><span style="line-height:inherit;font-style:normal">.</span><sup id="cite_ref-1" class="" style="font-style:normal;line-height:1;font-size:11.1999998092651px"><a href="http://en.wikipedia.org/wiki/Graphics_processing_unit#cite_note-1" style="text-decoration:none;color:rgb(11,0,128);white-space:nowrap;background:none">[1]</a></sup></div><p style="margin:0.5em 0px;line-height:inherit">The term GPU was popularized by <a href="http://en.wikipedia.org/wiki/Nvidia" title="Nvidia" style="text-decoration:none;color:rgb(11,0,128);background:none">Nvidia</a> in 1999, who marketed the <a href="http://en.wikipedia.org/wiki/GeForce_256" title="GeForce 256" style="text-decoration:none;color:rgb(11,0,128);background:none">GeForce 256</a> as "the world's first 'GPU', or Graphics Processing Unit, a single-chip processor with integrated <a href="http://en.wikipedia.org/wiki/Transform,_clipping,_and_lighting" title="Transform, clipping, and lighting" style="text-decoration:none;color:rgb(11,0,128);background:none">transform, lighting, triangle setup/clipping</a>, and rendering engines that are capable of processing a minimum of 10 million polygons per second". Rival <a href="http://en.wikipedia.org/wiki/ATI_Technologies" title="ATI Technologies" style="text-decoration:none;color:rgb(11,0,128);background:none">ATI Technologies</a> coined the term visual processing unit or VPU with the release of the <a href="http://en.wikipedia.org/wiki/R300" title="R300" class="" style="text-decoration:none;color:rgb(11,0,128);background:none">Radeon 9700</a> in 2002.</p></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Mar 16, 2015 at 12:19 PM, Rusty Ramser <span dir="ltr"><<a href="mailto:rusty_ramser@hotmail.com" target="_blank">rusty_ramser@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif"">What kind of system are you using, Mike? Even if you don’t have a desktop PC with a high-powered Nvidia or Radeon GPU card plugged into the motherboard, your system will have some type of GPU. If you don’t have an add-on card, it will probably be provided by a (usually weak) on-board Intel HD type of GPU.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <a href="mailto:plug-discuss-bounces@lists.phxlinux.org" target="_blank">plug-discuss-bounces@lists.phxlinux.org</a> [mailto:<a href="mailto:plug-discuss-bounces@lists.phxlinux.org" target="_blank">plug-discuss-bounces@lists.phxlinux.org</a>] <b>On Behalf Of </b>Michael Havens<br><b>Sent:</b> Monday, March 16, 2015 12:14<br><b>To:</b> Mike Butash; Main PLUG discussion list<br><b>Subject:</b> Re: nacl_helper<u></u><u></u></span></p><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">but I have no gpu (I don't think).<u></u><u></u></p></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><p class="MsoNormal">:-)~MIKE~(-:<u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">On Mon, Mar 16, 2015 at 12:08 PM, Michael Butash <<a href="mailto:michael@butash.net" target="_blank">michael@butash.net</a>> wrote:<u></u><u></u></p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><p class="MsoNormal">NaCL (salt, sodium chloride) is their GL helper for local gpu acceleration. Youtube video acceleration, gaming stuff, anything that needs hardware-ish interactions use it.<br><br>It shouldn't be spawning randomly, if it is, might want to figure out what is invoking it, could be bad as gpu's do things like bitcoin generation. Wouldn't surprise me some worm infects you and uses you to start computing hashes.<br><br>I disable gpu acceleration under chrome|chromium, nothing good comes about with my ever leaving it on, oddly disabling it invokes bugs that break it more depending on your version of chrome (see ulimit issues).<span style="color:#888888"><br><br><span>-mb</span></span><u></u><u></u></p><div><div><p class="MsoNormal"><br><br><br>On 03/14/2015 02:51 PM, koder wrote:<u></u><u></u></p></div></div></div><div><div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">The difference seems to be whether or not you intended it to run.<br>there is also some issue with nacl and nacl-helper that comes about with Google's development process. I did not understand the references. <u></u><u></u></p><div><p class="MsoNormal">On 03/14/2015 02:47 PM, Michael Havens wrote:<u></u><u></u></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">oh well, along as nothing nefarious is happening with my computer all is well. the hard drive stopped running a while ago so all it seems nothing bad is happening.<u></u><u></u></p></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><p class="MsoNormal">:-)~MIKE~(-:<u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">On Sat, Mar 14, 2015 at 2:38 PM, Michael Havens <<a href="mailto:bmike1@gmail.com" target="_blank">bmike1@gmail.com</a>> wrote:<u></u><u></u></p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><p class="MsoNormal">yeahhhh that's kinda what I figured from my duckduckgo search.<u></u><u></u></p></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><p class="MsoNormal">:-)~MIKE~(-:<u></u><u></u></p></div></div><div><div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">On Sat, Mar 14, 2015 at 2:36 PM, koder <<a href="mailto:iscreamkid@gmail.com" target="_blank">iscreamkid@gmail.com</a>> wrote:<u></u><u></u></p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><p class="MsoNormal" style="margin-bottom:12.0pt">it seems to be a part of chromium<br><br>HM<u></u><u></u></p><div><p class="MsoNormal">On 03/14/2015 02:21 PM, Michael Havens wrote:<u></u><u></u></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">I was sitting at my computer when my hard drive started to go crazy! So I opened a terminal and ran ps -e and all the processes appeared normal except there was one I had never seen. That one is nacl_helper. What is it?<br clear="all"><u></u><u></u></p><div><div><p class="MsoNormal">:-)~MIKE~(-:<u></u><u></u></p></div></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><pre>---------------------------------------------------<u></u><u></u></pre><pre>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org" target="_blank">PLUG-discuss@lists.phxlinux.org</a><u></u><u></u></pre><pre>To subscribe, unsubscribe, or to change your mail settings:<u></u><u></u></pre><pre><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><u></u><u></u></pre></blockquote><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal"><br>---------------------------------------------------<br>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org" target="_blank">PLUG-discuss@lists.phxlinux.org</a><br>To subscribe, unsubscribe, or to change your mail settings:<br><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><u></u><u></u></p></blockquote></div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></blockquote></div><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><pre>---------------------------------------------------<u></u><u></u></pre><pre>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org" target="_blank">PLUG-discuss@lists.phxlinux.org</a><u></u><u></u></pre><pre>To subscribe, unsubscribe, or to change your mail settings:<u></u><u></u></pre><pre><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><u></u><u></u></pre></blockquote><p class="MsoNormal" style="margin-bottom:12.0pt"><br><br><u></u><u></u></p><pre>---------------------------------------------------<u></u><u></u></pre><pre>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org" target="_blank">PLUG-discuss@lists.phxlinux.org</a><u></u><u></u></pre><pre>To subscribe, unsubscribe, or to change your mail settings:<u></u><u></u></pre><pre><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><u></u><u></u></pre></blockquote><p class="MsoNormal"><u></u> <u></u></p></div></div></div><p class="MsoNormal"><br>---------------------------------------------------<br>PLUG-discuss mailing list - <a href="mailto:PLUG-discuss@lists.phxlinux.org" target="_blank">PLUG-discuss@lists.phxlinux.org</a><br>To subscribe, unsubscribe, or to change your mail settings:<br><a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><u></u><u></u></p></blockquote></div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div></div><br>---------------------------------------------------<br>
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<a href="http://lists.phxlinux.org/mailman/listinfo/plug-discuss" target="_blank">http://lists.phxlinux.org/mailman/listinfo/plug-discuss</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button.<br><br>Stephen<br><br></div>
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